ORDER CHANGE FEDERAL AVIATION ADMINISTRATION JO …€¦ · DISTRIBUTION: 53AH, SC00 INITIATED BY: AJW-147 CHANGE U.S. DEPARTMENT OF TRANSPORTATION FEDERAL AVIATION ADMINISTRATION

DISTRIBUTION: 53AH, SC00 INITIATED BY: AJW-147

CHANGE U.S. DEPARTMENT OF TRANSPORTATION

FEDERAL AVIATION ADMINISTRATION

ORDER JO 6310.30B

CHG 1

Air Traffic Organization Policy Effective Date: 07/19/2016

Implementation Date: 11/19/2016

SUBJ: Maintenance Handbook for Airport Surveillance Radar, ASR-11 Facilities

1. Purpose. This change transmits revised pages to JO 6310.30B, Maintenance Handbookfor Airport Surveillance Radar, ASR-11 Facilities. This directive implements Configuration Control Decision (CCD) No. N36168, Update to JO 6310.30B Maintenance Handbook for ASR-11 Facilities.

2. Who This Change Affects. This document requires actions by the Airway TransportationSystem Specialist (ATSS) at operational facilities with Facility, Service, and Equipment Profile (FSEP) equipment: ASR-11 Digital Airport Surveillance Radar and ASR-11 Military GPN-30.

a. FAA Personnel.

(1) For electronic copies, FAA personnel can use one of the following websites to locate this order.

(a) On the Technical Library website at: http://nas.amc.faa.gov/phoenix/views/technicalLibrary.xhtml.

(b) On the Directives website at: https://employees.faa.gov/tools_resources/orders_notices/.

(c) From the My FAA website, select “Tools and Resources” then select 'Orders and Notices'.

(d) On the National Airway Systems Engineering Maintenance Handbooks and Notices CD-ROM. Subscribe to the bi-yearly CD-ROM at http://nas.amc.faa.gov/phoenix/views/documentRequest.xhtml.

(e) The ATSS and all administrative personnel must subscribe to the Auto-Notifications Services for electronic library release notifications at http://technet.faa.gov/. This document can be printed for local use as required.

(2) The field office must keep accurate FSEP records and Logistics Center Support System (LCSS) addresses per Order 6000.5D, Facility, Service, and Equipment Profile (FSEP).

(a) To update FSEP information, visit https://employees.faa.gov/org/linebusiness/ato/operations/technical_operations/ajw1/ajw1b/fsep/.

(b) To update LCSS information, visit this link: https://lcss.faa.gov/lcss

(3) The Periodic Maintenance/Certification Scheduling (PMS) database is maintained by the Office of Primary Responsibility (OPR). The release of this document notifies the field of an

http://nas.amc.faa.gov/phoenix/views/technicalLibrary.xhtml

https://employees.faa.gov/tools_resources/orders_notices/

http://nas.amc.faa.gov/phoenix/views/documentRequest.xhtml

http://technet.faa.gov/

https://employees.faa.gov/org/linebusiness/ato/operations/technical_operations/ajw1/ajw1b/fsep/

https://lcss.faa.gov/lcss

07/19/2016 JO 6310.30B CHG 1

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update to the Remote Monitoring and Logging System (RMLS) National PMS database. An RMLS Task Glossary Report will be available on the Technical Library for cross referencing the Task Number to the Chapter 4 paragraph in approximately five working days after release of this order.

b. Department of Defense (DoD).

(1) DoD customers with access to the AJW-147 Second Level Engineering website can locate this order at https://www.faa.gov/aos/aos232/main.cfm.

(2) For DoD customers who have questions related to this maintenance handbook, contact Second Level Engineering at (405) 954-4271.

3. Risks.

a. Operational. There are no operational risks associated with this MTHB change.

b. Safety. In accordance with Orders 1100.161, Air Traffic Safety Oversight, and JO1000.37, ATO Safety Management System, the Safety Risk Management (SRM) Report information for this MTHB change is available at http://nas.amc.faa.gov/phoenix/views/technicalDocument.xhtml?&file=6310_30b_mthb_chg1_srmrpt.pdf. For further guidance in SRM documentation, refer to the latest edition of the Safety Management System (SMS) Manual.

c. Security. There are no security risks associated with this MTHB change.

4. Implementation Date. This MTHB change must be implemented by 11/19/2016. Allfacilities nationwide must comply with these changes by the implementation date. The changes may be implemented any time after the effective date, but must be implemented by the implementation date. If the implementation date occurs during a completed task interval window, then follow the new guidance for the certification or maintenance task(s) at the next regularly scheduled interval.

5. Disposition of Transmittal. Retain the change transmittal after change pages areincorporated into the MTHB. File in front of the MTHB.

6. Explanation of Changes. This revision incorporates changes resulting from test equipmentobsolescence and upgrading.

a. Paragraph 5-34 PSR/MSSR Performance Analysis provides new file names for dual-channel DTE Monitor recordings.

b. Paragraph 5-39 File Transfer provides updated file transfer procedures.

c. The following paragraphs add alternate procedures using a signal generator:

Paragraph 5-65 MSSR Receiver Synthetic Target Calibration and Verification Paragraph 5-66 MSSR Receiver Minimum Receiver Sensitivity Verification Paragraph 5-110 DMS MSSR Receiver Synthetic Target Calibration and Verification Paragraph 5-111 DMS MSSR Receiver Minimum Receiver Sensitivity Verification

d. The MSSR/DMS MSSR Digital System Sensitivity (DSS) requirement is changedfrom Monthly to As Required. DSS is removed from Appendix A Table A-1 Certification Parameters.

https://www.faa.gov/aos/aos232/main.cfm

http://nas.amc.faa.gov/phoenix/views/technicalDocument.xhtml?&file=6310_30b_mthb_chg1_srmrpt.pdf

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for David E. Spencer Director, Operations Support

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Paragraph Page

Section 4. MSSR Other Maintenance Tasks ...................................................................... 4-20 4-40. MSSR LVA Antenna. .......................................................................................... 4-20 4-41. LVA Antenna Fittings and Connectors. ............................................................... 4-20 4-42. Monopulse Remote Site Monitor (MRSM) .......................................................... 4-20 4-43. MSSR Equipment Cabinets. ............................................................................... 4-21 4-44. MSSR System Performance Analysis................................................................. 4-21 4-45. Probability of Detection (PD) .............................................................................. 4-21 4-46. Variable Site Parameter (VSP) Verification ........................................................ 4-22 4-47. Variable Site Parameter (VSP) Backup .............................................................. 4-22 4-48. and 4-49. Reserved. .................................................................................................. 4-22

Section 5. Data Communication Systems ......................................................................... 4-23 4-50. Surveillance Data Translator (SDT). ................................................................... 4-23 4-51. Digital Video Generator (DVG). .......................................................................... 4-23 4-52. Computer Time Synchronization. ....................................................................... 4-25 4-53. through 4-59. Reserved. ............................................................................................ 4-25

Section 6. DMS MSSR Performance Checks ..................................................................... 4-26 4-60. Transmitter. ........................................................................................................ 4-26 4-61. Receiver. ............................................................................................................ 4-29 4-62. through 4-69. Reserved ............................................................................................. 4-29

Section 7. DMS MSSR Other Maintenance Tasks ............................................................. 4-30 4-70. MSSR LVA Antenna. .......................................................................................... 4-30 4-71. LVA Antenna Fittings and Connectors. ............................................................... 4-30 4-72. Monopulse Remote Site Monitor (MRSM) .......................................................... 4-30 4-73. MSSR Equipment Cabinets. ............................................................................... 4-30 4-74. MSSR System Performance Analysis................................................................. 4-31 4-75. Probability of Detection (PD) .............................................................................. 4-31 4-76. Variable Site Parameter (VSP) Verification ........................................................ 4-31 4-77. Variable Site Parameter (VSP) Backup .............................................................. 4-31 4-78. and 4-79. Reserved ................................................................................................... 4-31

Chapter 5 Maintenance Procedures ...............................................................................................5-1 5-1. General. ............................................................................................................... 5-1 5-2. Remote Maintenance Monitoring. ......................................................................... 5-1 5-3. Test Equipment Calibration. ................................................................................. 5-1 5-4. Manufacturer’s Documentation. ............................................................................ 5-1 5-5. through 5-9. Reserved. .................................................................................................. 5-1

Section 1. PSR Performance Check Procedures ................................................................ 5-2 5-10. Point of Control Configuration. ............................................................................. 5-2 5-11. Termination of Test. ............................................................................................. 5-3 5-12. Measuring PSR’S Transmitter Performance Parameters Using The Operator

Maintenance Terminal (OMT). .............................................................................. 5-4 5-13. PSR Receiver Performance Parameters Using The OMT. ................................... 5-6 5-14. PSR Receiver End to End Test for Noise/Level, and Phase Stability Using The

Monitor and Control OMT. .................................................................................... 5-7

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Paragraph Page 5-15. PSR Transmitter Frequency. ................................................................................ 5-9 5-16. PSR Transmitter Output Power Measurement. ................................................... 5-12 5-17. PSR Transmitter Power Supplies. ...................................................................... 5-19 5-18. PSR Transmitter Radio Frequency (RF) Drivers and Amplifiers. ........................ 5-20 5-19. Verification and Calibration of PSR Transmitter Power Certification Parameters. 5-24 5-20. Verification of PSR Receivers Sensitivity Minimum Discernable Signal (MDS)

Certification Parameters, and Calibration of Operator’s OMT for MDS. .............. 5-26 5-21. Measuring PSR’s Transmitter Pulse Width and Bandwidth Using External Test

Equipment. ......................................................................................................... 5-28 5-22. Measuring PSR’s Receiver Exciter (REX) Units A and B’s A11A2 Power Supply

Voltages. ............................................................................................................ 5-35 5-23. ASDP REX Weather Clutter Maps Verification ................................................... 5-36 5-24. and 5-25. Reserved. .................................................................................................. 5-38 5-26. PSR Short Pulse Sensitivity Time Control (STC) Verification. ............................ 5-39 5-27. PSR Variable Site Parameters (VSP) Verification. ............................................. 5-41 5-28. PSR Antenna’s Voltage Standing Wave Ratio (VSWR). ..................................... 5-44 5-29. Pedestal Local Control Panel Power Supplies. ................................................... 5-48 5-30. PSR Probability of Detection (PD) for Permanent Echoes (PE) .......................... 5-50 5-31. Variable Site Parameters (VSP) Backup – Ultra5 Workstations .......................... 5-51 5-32. Measuring Receiver Protector Timing and Suppression. .................................... 5-66 5-33. Reserved ............................................................................................................ 5-73 5-34. PSR / MSSR System Performance Analysis (FAA Sites Only). .......................... 5-73 5-35. Master Safety Switch and Safety Interlock Test and Inspection. ......................... 5-77 5-36. Antenna/Pedestal Inspection. ............................................................................. 5-82 5-37. Compressor Dryer Regulated Output Pressure Verification. ............................... 5-98 5-38. Variable Site Parameters (VSP) Backup – T2000 Workstations ......................... 5-99 5-39. File Transfer ..................................................................................................... 5-109 5-40. through 5-49. Reserved ....................................................................................... 5-110D

Section 2. MSSR Performance Check Procedures ......................................................... 5-111 5-50. Monopulse Secondary Surveillance Radar (MSSR) Transmitter Frequency. .... 5-111 5-51. MSSR Transmitter and Receiver Performance Parameters Using the OMT ..... 5-112 5-52. Reserved. ......................................................................................................... 5-113 5-53. MSSR Interrogator Forward and Reverse Power and Pulse Width and Spacing

Measurements. ................................................................................................ 5-114 5-54. MSSR Interrogator Pulse Spectrum Measurement ........................................... 5-119 5-55. Reserved. ......................................................................................................... 5-121 5-56. Calibration of MSSR CMS TX Monitor Screen and OMT Radar Certification

Parameters Screen for MSSR TX Forward Output Power. ............................... 5-121 5-57. Calibration of MSSR CMS TX Monitor Screen and OMT Radar Certification

Parameters Screen for MSSR TX Reverse Output Power. ............................... 5-125 5-58. MSSR Receiver Synthetic Target Calibration and Verification – using MBTS. .. 5-133 5-59. MSSR Digital System Sensitivity (DSS). ........................................................... 5-138 5-60. MSSR Receiver Minimum Receiver Sensitivity Verification – using MBTS. ...... 5-142 5-61. MSSR Probability of Detection (Pd) for SSR PARROT. .................................... 5-146 5-62. MSSR Variable Site Parameters (VSP) Verification. ......................................... 5-147 5-63. MSSR Interrogator Power Supply Voltage Verification. .................................... 5-152 5-64. MSSR Pulse Repetition Frequency (PRF) Verification. .................................... 5-153

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Paragraph Page 5-65. MSSR Receiver Synthetic Target Calibration and Verification –

using signal generator. ..................................................................................... 5-155 5-66. MSSR Receiver Minimum Receiver Sensitivity Verification –

using signal generator .................................................................................... 5-155F 5-67. Reserved ......................................................................................................... 5-155I 5-68. MSSR Configuration Set Backup..................................................................... 5-155J 5-69. Reserved. ......................................................................................................... 5-156 5-70. Edit MSSR Transparent Mode Command (TMC) File. ...................................... 5-157 5-71. MSSR Remote Site Monitor (MRSM) Reply Verification. .................................. 5-159 5-72. Antenna Pattern Measurement (APM) Procedure. ........................................... 5-161 5-73. through 5-79. Reserved. .......................................................................................... 5-163

Section 3. Special Task Procedures ................................................................................ 5-164 5-80. Fiber Optic Measurements. .............................................................................. 5-164 5-81. Digital Video Generator (DVG) Output Parameter Measurements. ................... 5-172 5-82. Digital Video Generator (DVG) and Control and Monitor Console (CMC) File

Verification. ...................................................................................................... 5-177 5-83. Clock Synchronization – Configuration and Verification of Date and Time. ....... 5-183 5-84. through 5-89. Reserved. .......................................................................................... 5-186

Section 4. DMS MSSR Performance Check Procedures ................................................ 5-187 5-90. Transmitter Frequency. .................................................................................... 5-187 5-91. Transmitter and Receiver Performance Parameters Using the OMT ................ 5-188 5-92. Interrogator Forward and Reverse Power and Pulse Characteristics

Measurements. ................................................................................................ 5-190 5-93. Calibration of DMS MSSR CMS TX Monitor Screen and OMT Radar

Certification Parameters Screen for MSSR TX Forward Output Power............. 5-198 5-94. Calibration of DMS MSSR CMS TX Monitor Screen and OMT Radar

Certification Parameters Screen for MSSR TX Reverse Output Power. ........... 5-201 5-95. DMS MSSR Receiver Synthetic Target Calibration and Verification –

using MBTS. .................................................................................................... 5-209 5-96. DMS MSSR Digital System Sensitivity (DSS). .................................................. 5-215 5-97. DMS MSSR Receiver Minimum Receiver Sensitivity Verification –

using MBTS ..................................................................................................... 5-219 5-98. Probability of Detection (PD) for SSR PARROT. .............................................. 5-223 5-99. Variable Site Parameters (VSP) Verification. .................................................... 5-224 5-100. Interrogator Power Supply Voltage Verification. ............................................... 5-229 5-101. DMS MSSR Pulse Repetition Frequency (PRF) Verification. ............................ 5-230 5-102. DMS MSSR Configuration Set Backup. ............................................................ 5-232 5-103. Reserved. ......................................................................................................... 5-233 5-104. Edit MSSR Transparent Mode Command (TMC) File. ...................................... 5-234 5-105. MSSR Remote Site Monitor (MRSM) Reply Verification. .................................. 5-235 5-106. Antenna Pattern Measurement (APM) Procedure. ........................................... 5-237 5-107. Point of Control Configuration. ......................................................................... 5-240 5-108. Termination of Test. ......................................................................................... 5-242 5-109. DMS MSSR Interrogator Pulse Spectrum Measurement .................................. 5-243

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Paragraph Page 5-110. DMS MSSR Receiver Synthetic Target Calibration and Verification –

using signal generator. ..................................................................................... 5-246 5-111. DMS MSSR Receiver Minimum Receiver Sensitivity Verification –

using signal generator ...................................................................................... 5-251 Chapter 6 Flight Inspection .............................................................................................................6-1

6-1. General. ............................................................................................................... 6-1 6-2. Pre-Flight Inspection Preparation. ........................................................................ 6-1 6-3. Flight Inspection Participation. .............................................................................. 6-2 6-4. Post-Flight Inspection Actions. ............................................................................. 6-2

Appendix A. Certification Requirements ................................................................................ A-1 System and Subsystem Certification. .................................................................................... A-1

Appendix B. Glossary.............................................................................................................. B-1

List of Illustrations

Paragraph Page Figure 2-1 Radar Site Equipment Configuration 1 ....................................................................... 2-4 Figure 2-2 DMS MSSR CECE Radar Site Configuration 3 Equipment ........................................ 2-7 Figure 2-3 Indicator Site for Configuration 1 Equipment .............................................................. 2-9 Figure 2-4 Indicator Site for Configuration 3 Equipment ............................................................ 2-10 Figure 2-5 ASR-11 Networking Diagram ASDP Configuration 1 Equipment .............................. 2-12 Figure 2-6 ASR-11 Networking Diagram DMS MSSR Configuration 3 Equipment .................... 2-13 Figure 5-1 Frequency Measurement Point ................................................................................ 5-11 Figure 5-2 Forward Power Measurement Configuration ............................................................ 5-14 Figure 5-3 ASDP Trigger Connections ...................................................................................... 5-15 Figure 5-4 RF Amplifier and Driver Module J1 Locations .......................................................... 5-22 Figure 5-5 RF Measurement Test Equipment Set Up ................................................................ 5-23 Figure 5-6 Measure Middle of Detected Long Pulse .................................................................. 5-23 Figure 5-7 ASDP Trigger Connections ...................................................................................... 5-29 Figure 5-8 Power Meter Connection .......................................................................................... 5-30 Figure 5-9 Spectrum Analyzer Connection ................................................................................ 5-32 Figure 5-10 Bandwidth Measurement At –3 dB and –40 dB Points ............................................. 5-33 Figure 5-11 Weather Clutter Map (Example) ............................................................................... 5-38 Figure 5-12 Weather Clutter Map with Anomalies (Example) ...................................................... 5-38 Figure 5-13 Example: STC Curve On RDD ................................................................................. 5-40 Figure 5-14 ExamDiff Pro Icon .................................................................................................... 5-43 Figure 5-15 WS_FTP_Pro Main Screen ...................................................................................... 5-58 Figure 5-16 Weather Laptop Directory Structure ......................................................................... 5-59 Figure 5-17 Reserved. ................................................................................................................ 5-65 Figure 5-18 Reserved. ................................................................................................................ 5-65 Figure 5-19 Change Beam and STC Override Screen ................................................................ 5-68 Figure 5-20 Short Pulse Recovery Margin Measurements .......................................................... 5-69 Figure 5-21 Short Pulse Suppression Value Measurement ......................................................... 5-69 Figure 5-22 Long Pulse Recovery Margin Measurement ............................................................. 5-71 Figure 5-23 Long Pulse Suppression Value Measurement .......................................................... 5-72 Figure 5-24 Antenna Pedestal Group Status and Control Screen ............................................... 5-79

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Table of Contents (Continued) List of Illustrations (Continued)

Figure 5-25 Drive Motor .............................................................................................................. 5-84 Figure 5-26 Clutch Parts Locations ............................................................................................. 5-86 Figure 5-27 Clutch Lubrication Fittings and Alignment Guides .................................................... 5-86 Figure 5-28 Pedestal Oil Sump Parts Locations .......................................................................... 5-87 Figure 5-29 Drive Unit Assembly ................................................................................................. 5-89 Figure 5-30 Brush Block Assembly ............................................................................................. 5-90 Figure 5-31 Pedestal ................................................................................................................... 5-91 Figure 5-32 PSR Antenna Assembly Parts Locations.................................................................. 5-92 Figure 5-33 Tilt Adjustment Screw .............................................................................................. 5-93 Figure 5-34 LVA Hardware.......................................................................................................... 5-95 Figure 5-35 AJW External Link Homepage ................................................................................5-110 Figure 5-36 Upload Adapt Link ...................................................................................................5-110 Figure 5-36A Upload Site Adapt Interface ................................................................................. 5-110A Figure 5-36B Download Site Adapt Interface ............................................................................. 5-110B Figure 5-37 MSSR Forward Power/Pulse Width and Spacing Measurement Equipment Setup .5-116 Figure 5-38 Typical Pulse Spectrum ..........................................................................................5-120 Figure 5-39 MSSR Reverse Power OMT Calibration Power Level Setup ...................................5-128 Figure 5-40 MSSR Reverse Power OMT Calibration Power Injection ........................................5-129 Figure 5-41 MSSR Receiver Signal Video Processing ...............................................................5-133 Figure 5-42 MSSR Receiver Test Target Calibration Equipment Setup......................................5-136 Figure 5-43 Sum Video Monitor Jack Signal ..............................................................................5-137 Figure 5-44 MSSR Test Equipment Configuration for DSS ........................................................5-140 Figure 5-45 MSSR Receiver Sensitivity Equipment Setup .........................................................5-144 Figure 5-46 MSSR Receiver Example of Normal Signal .............................................................5-144 Figure 5-47 MSSR Receiver Example Minimum Sensitivity ........................................................5-145 Figure 5-48 Display Build State Command .................................................................................5-149 Figure 5-49 Display All Dynamic Parameters Command ............................................................5-149 Figure 5-50 Display Processing Switches Command .................................................................5-150 Figure 5-51 Display Inhibited Tests Command ...........................................................................5-150 Figure 5-51A MSSR Receiver Signal Video Processing ...............................................................5-155 Figure 5-51B MSSR Receiver Test Target Calibration Equipment Setup................................... 5-155B Figure 5-51C Sum Video Monitor Jack Signal ........................................................................... 5-155D Figure 5-51D MSSR Receiver Sensitivity Equipment Setup ...................................................... 5-155G Figure 5-51E MSSR Receiver Example of Normal Signal .......................................................... 5-155H Figure 5-51F MSSR Receiver Example Minimum Sensitivity ..................................................... 5-155H Figure 5-52 MRSM Replies ........................................................................................................5-160 Figure 5-53 Normal Amplitude APM ...........................................................................................5-162 Figure 5-54 APM Displaying Signal Clipping ..............................................................................5-163 Figure 5-55 Single-Mode Fiber Optic Equipment Setup .............................................................5-165 Figure 5-56 Single-Mode Fiber Optic Flexswitch (6551-2) - Radar Site .....................................5-166 Figure 5-57 Single-Mode Fiber Optic Flexswitch (6110-2) - Indicator Site ..................................5-167 Figure 5-58 Single-Mode Indicator Site - Fiber Optic Configuration ............................................5-168 Figure 5-59 Single-Mode Radar Site - Fiber Optic Configuration ................................................5-168 Figure 5-60 Single-Mode Radar Site - Fiber Optic Power Measurement ....................................5-169 Figure 5-61 Single-Mode Indicator Site - Fiber Optic Power Measurement ................................5-171 Figure 5-62 Typical DVG Interface .............................................................................................5-173 Figure 5-63 Forward Power/Pulse Characteristics Measurement Equipment Setup ...................5-192 Figure 5-64 Pulse Train Display .................................................................................................5-193

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Table of Contents (Continued) List of Illustrations (Continued)

Figure 5-65 P6 Pulse Width Measurement .................................................................................5-194 Figure 5-66 P6 1st Sync Phase Reversal and P5 Position ..........................................................5-195 Figure 5-67 MSSR Reverse Power OMT Calibration Power Level Setup ...................................5-203 Figure 5-68 MSSR Reverse Power OMT Calibration Power Injection ........................................5-204 Figure 5-69 MSSR Receiver Signal Video Processing ...............................................................5-209 Figure 5-70 MSSR Receiver Test Target Calibration Equipment Setup......................................5-211 Figure 5-71 Sum Video Monitor Jack Signal ..............................................................................5-212 Figure 5-72 Synthetic Target Replies .........................................................................................5-214 Figure 5-73 MSSR Test Equipment Configuration for DSS ........................................................5-217 Figure 5-74 MSSR Receiver Sensitivity Equipment Setup .........................................................5-220 Figure 5-75 MSSR Receiver Example of Normal Signal .............................................................5-221 Figure 5-76 MSSR Receiver Example Minimum Sensitivity ........................................................5-221 Figure 5-77 Display Build State Command .................................................................................5-225 Figure 5-78 Display Inhibited Tests Command ...........................................................................5-226 Figure 5-79 Offline Parameter Editing Tool ................................................................................5-227 Figure 5-80 MRSM Reply Message ...........................................................................................5-236 Figure 5-81 Normal Amplitude APM ...........................................................................................5-238 Figure 5-82 APM Displaying Signal Clipping ..............................................................................5-239 Figure 5-83 Typical Pulse Spectrum ..........................................................................................5-245 Figure 5-84 MSSR Receiver Signal Video Processing ...............................................................5-246 Figure 5-85 MSSR Receiver Test Target Calibration Equipment Setup......................................5-248 Figure 5-86 Sum Video Monitor Jack Signal ..............................................................................5-249 Figure 5-87 MSSR Receiver Sensitivity Equipment Setup .........................................................5-252 Figure 5-88 MSSR Receiver Example of Normal Signal .............................................................5-253 Figure 5-89 MSSR Receiver Example Minimum Sensitivity ........................................................5-253

List of Tables

Paragraph Page Table 5-1. Values for Transmitter Frequencies ......................................................................... 5-10 Table 5-2 Example of A11A2 Power Supply Voltages .............................................................. 5-35 Table 5-3. Typical Adaptation Test Directory Listing ................................................................. 5-43 Table 5-4 VSWR Conversion Table ......................................................................................... 5-47 Table 5-5 Example of Encoder-X Power Supply Voltages ........................................................ 5-48 Table 5-6 Example of Encoder-Y Power Supply Voltages ........................................................ 5-48 Table 5-7 Example of Polarizer Power Supply (PS3) Voltages ................................................ 5-49 Table 5-8 Example of Weather Beam Switch Power Supply (PS4) Voltages............................ 5-49 Table 5-9 Example of Typical Values of PE ............................................................................. 5-50 Table 5-10 SIU Maximum Range Settings ................................................................................. 5-75 Table 5-11 VSWR Conversion Table ........................................................................................5-118 Table 5-12 MSSR Dynamic Parameters Offsets .......................................................................5-123 Table 5-13 MSSR Dynamic Parameters Offsets .......................................................................5-131 Table 5-14 SSR PARROT Typical Values .................................................................................5-147 Table 5-15 Single-Mode Fiber Optic Connection Table .............................................................5-167 Table 5-16 DVG-1 & DVG-2 Feeding ARTS IIE DDAS (ACP, ARP) Parameters -

Oscilloscope Verification .........................................................................................5-174

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Table of Contents (Continued) List of Tables (Continued)

Table 5-17 DVG-3 & DVG-4 Feeding DBRITE (ACP, ARP) Parameters -

Oscilloscope Verification .........................................................................................5-174 Table 5-18 DVG-1 & DVG-2 Feeding ARTS IIE DDAS (Video) Parameters – Oscilloscope

Verification ..............................................................................................................5-175 Table 5-19 DVG-3 & DVG-4 Feeding DBRITE (Video) Parameters -

Oscilloscope Verification .........................................................................................5-176 Table 5-20 DVG-5 Feeding RADS (Video) Parameters -Oscilloscope Verification ....................5-176 Table 5-21 DVG-6 Through DVG-12 (If Applicable) Feeding RADS (Video) Parameters -

Oscilloscope Verification .........................................................................................5-177 Table 5-22 Example of dvg-cp.ini Data File ...............................................................................5-180 Table 5-23 VSWR Conversion Table ........................................................................................5-197 Table 5-24 MSSR Dynamic Parameters Offsets .......................................................................5-199 Table 5-25 MSSR Dynamic Parameters Offsets .......................................................................5-207 Table 5-26 SSR PARROT Typical Values .................................................................................5-223 Table A-1. Airport Surveillance Radar (ASR-11) System ............................................................. A-3

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Table of Contents (Continued) List of Forms

Paragraph Page Form 5-1 MSSR Transmit Power Output Radar Certification Parameters Screen Calibration

Worksheet for Procedure 5-56 ................................................................................5-124 Form 5-2 MSSR Transmit Reverse Power Radar Certification Parameters Screen Calibration

Worksheet for Procedure 5-57 ................................................................................5-132 Form 5-3 MSSR Transmit Power Output Radar Certification Parameters Screen Calibration

Worksheet for Procedure 5-93 ................................................................................5-200 Form 5-4 MSSR Transmit Reverse Power Radar Certification Parameters Screen Calibration

Worksheet for Procedure 5-94 ................................................................................5-208

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1-11. Reference Documents. A list of all equipment instruction books required for ASR-11 operation is as follows:

a. System Operation and Maintenance Instructions:

(1) TI 6310.47, Digital Airport Surveillance Radar ASR-11, System Operation and Maintenance Instructions Organizational Maintenance Level

(2) TI 6310.64, ASR-11 -3 Configuration System Operation and Maintenance Instructions

Organizational Maintenance Level, -3 Configuration

b. PSR System:

(1) TI 6310.57A, Digital Airport Surveillance Radar ASR-11,, ASR-11 S-Band, Solid State Primary Surveillance Radar

(2) TI 6310.63, ASR-11 Primary Surveillance Radar, -3 Configuration

c. MSSR System:

(1) TI 6310.53, Digital Airport Surveillance Radar ASR-11, Equipment Manual for Condor MSSR Interrogator

(2) TI 6310.54, Digital Airport Surveillance Radar ASR-11, Equipment Manual for Dual Channel Site Monitor

(3) TI 6310.55, Digital Airport Surveillance Radar ASR-11, Equipment Manual for Condor LVA Antenna

(4) TI 6310.56, Digital Airport Surveillance Radar ASR-11, System Manual for MSSR System

d. DTE System:

(1) TI 6310.48, Digital Airport Surveillance Radar ASR-11, Installation, Operation and Maintenance Manual for the Digital Video Generator (DVG)

(2) TI 6310.49, Digital Airport Surveillance Radar ASR-11, Installation Operation and

Maintenance Manual for the System Interface Unit (SIU) of the Digital Airport Surveillance Radar (DASR) Data Translator Equipment (DTE)

(3) TI 6310.50, Digital Airport Surveillance Radar ASR-11, Installation, Operation and

Maintenance Manual for the DASR Data Translator Equipment (DTE) System (4) TI 6310.51, Digital Airport Surveillance Radar ASR-11, Installation, Operation and

Maintenance Manual for the Surveillance Data Translator (SDT) (5) TI 6310.52, Digital Airport Surveillance Radar ASR-11, User’s Manual for the DASR

DTE Control and Maintenance Console (CMC)

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(6) TI 6310.58, Digital Airport Surveillance Radar ASR-11, Installation, Operation and Maintenance Manual for the SDT Mode Controller (SMC)

(7) TI 6310.62, Digital Airport Surveillance Radar ASR-11, Longport Operators Manual

(ATCBI Model) e. Antenna System:

(1) TI 6310.59, Digital Airport Surveillance Radar ASR-11, Antenna and Drivetrain

Manual

f. DMS MSSR System: (1) TI 6310.60, Digital Airport Surveillance Radar ASR-11, System Manual For Mode S

MSSR System

(2) TI 6310.61, Digital Airport Surveillance Radar ASR-11, Equipment Manual For Condor Mk 2D 300 Interrogator

(3) TI 6310.54, Digital Airport Surveillance Radar ASR-11, Equipment Manual for Dual Channel Site Monitor

(4) TI 6310.55, Digital Airport Surveillance Radar ASR-11, Equipment Manual for Condor LVA Antenna

(5) OEM 80828/090 Ancillary Manual for RSL Radar Systems GPS Time Source

g. Site UPS and TRACON Mini UPS:

(1) JO 6980.29, Maintenance of Static Uninterruptible Power Supply (UPS) Systems 1-12. Technical Issues Concerning Handbook.

a. If there are any questions concerning this handbook or any technical issues concerning system performance please call the Airport Radar System Team, AJW-147, at (405) 954-4271 during normal weekday working hours (7:00am – 4:30pm CST) and the Technical Support Help Desk at (866) 432-2622, after hours, weekends, and holidays.

b. The Airport Radar System Team also has a web site where electronic copies of this handbook and other ASR-11 technical documentation can be found as well as a repository of technical issues. The website address is: www.faa.gov/aos/aos232/. 1-13. Calibration for Test Equipment Not Covered by the FAA’s Test Equipment Calibration Contract.

a. Not all test equipment items requiring calibration are covered under the FAAs Test & Measurement calibration contract. Test equipment not covered by the contract may be calibrated and/or repaired through the FAA Logistics Center Test Equipment and Calibration Lab.

b. When a test equipment item requiring calibration is not listed on the FAAs contracted Test & Measurement calibration list, process the item as you would any LIS order. Send in the calibration due equipment as an R & R LIS order. Complete the justification field on your LIS order form with “out

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http://www.faa.gov/aos/aos232/

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of calibration Needs Cal Only”. This will direct the item to the FAA Logistics Center Test Equipment and Calibration Lab.

c. Fixed attenuators are user-calibrated using test equipment that is calibrated with traceability to National Bureau of Standards and a valid certification certificate. 1-14. Software Parameters

Only the software parameters specified in maintenance or alignment procedures in this handbook, system technical instruction books or assigned system support modifications are authorized to be changed. Any other changes to software parameters will result in the system being outside configuration management standards and in an untested state. No other system parameters shall be altered without written concurrence by FAA AJW-1471, ASR-11 Second Level Engineering. 1-15. through 1-99. Reserved.

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Section 3. PSR System and Antenna Group – Standards and Tolerances (Continued)

Parameter Reference Standard Tolerance/Limit

Paragraph Initial Operating 3-33. Pedestal Local Control Panel,

Encoder Power Supplies.

a. Encoder X, PS-1 Voltage: +5 Vdc ............................ 5-29 +5.0 Vdc ± 0.25 Vdc Same as

initial b. Encoder Y, PS-2 Voltage: +5 Vdc ............................ 5-29 +5.0 Vdc ± 0.25 Vdc Same as

initial c. Polarizer, PS-3 Voltage: +5 Vdc ............................ 5-29 +5.0 Vdc ± 0.25 Vdc Same as

initial d. Weather Beam Switch, PS-4 Voltage: -70 Vdc .......................... 5-29 -70.0 Vdc ± 3.5 Vdc Same as

initial 3-34. OMT Certification Screen

Accuracy.

a. PSR Transmitter (1) LP Forward Power ................. 5-19 Same as

Measured Value on

External Power Meter

± 0.5 dB Same as initial

(2) SP Forward Power ................ 5-19 Same as

Measured Value on



(3) Antenna Reverse Power ....... 5-19 Same as

Measured Value on



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Section 3. PSR System and Antenna Group – Standards and Tolerances (Continued)


Paragraph Initial Operating b. PSR Receiver

(1) Target High Beam – SP ........ 5-20 Same as Measured

Value


(2) Target High Beam – LP ......... 5-20 Same as

Measured Value


(3) Target Low Beam – SP ......... 5-20 Same as

Measured Value


(4) Target Low Beam – LP ........... 5-20 Same as

Measured Value


(5) Weather – SP ......................... 5-20 Same as

Measured Value


(6) Weather – LP .......................... 5-20 Same as

Measured Value


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Section 6. MSSR Receiver – Standards and Tolerances


Paragraph Initial Operating → 3-60. Receiver Test Target Level. a. Sensitivity Level at OMT

screen

(1) Difference (∆) ......................... 5-51

-83 dBm Same as

standard ± 2.0 dB

(2) Sum (S) .................................. 5-51

-83 dBm Same as

standard ± 2.0 dB

(3) Control (W) ............................. 5-51

-83 dBm Same as

standard ± 2.0 dB

b. Interrogator Synthetic Target (1) Sum (S) .................................. 5-58

or 5-65 -83 dBm Same as

standard ± 2.0 dB

(2) Difference (∆) ......................... 5-58


standard ± 2.0 dB

(3) Control (W) ............................. 5-58


standard ± 2.0 dB

→ 3-61. Minimum Receiver Sensitivity. a. Sum (S) ........................................ 5-60


standard -90 dBm minimum

b. Difference (∆) .............................. 5-60



c. Control (W) .................................. 5-60



→ 3-62. Digital System Sensitivity 5-59 Commissioned

Value Same as standard

-80 dBm minimum

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Section 6. MSSR Receiver – Standards and Tolerances (Continued)


Paragraph Initial Operating 3-63. Probability of Detection for MSSR

PARROT.

a. Probability of Detection

(PD), minute .............................. 5-61 Commissioned

Value, not less than 80%

Same as standard

Same as standard

b. PD, hour..................................... 5-61 Commissioned


Same as standard

Same as standard

c. Range......................................... 5-61 Commissioned


Same as standard

d. dRange ...................................... 5-61 0 ±0.13 nmi ±0.13 nmi e. Azimuth ..................................... 5-61 Commissioned


Same as standard

f. dAzimuth ................................... 5-61 0 ±0.18 degrees ±0.18 degrees 3-64. through 3-69. Reserved.

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Section 14. DMS MSSR Receiver – Standards and Tolerances


Paragraph Initial Operating → 3-160. Receiver Test Target Level. a. Sensitivity Level at OMT

screen

(1) Difference (∆) ......................... 5-91

-83 dBm Same as

standard ± 2.0 dB

(2) Sum (S) .................................. 5-91

-83 dBm Same as

standard ± 2.0 dB

(3) Control (W) ............................. 5-91

-83 dBm Same as

standard ± 2.0 dB

b. Interrogator Synthetic Target (1) Sum (S) .................................. 5-95


standard ± 2.0 dB

(2) Difference (∆) ......................... 5-95


Standard ± 2.0 dB

(3) Control (W) ............................. 5-95


standard ± 2.0 dB

→ 3-161. Minimum Receiver Sensitivity. a. Sum (S) ........................................ 5-97



b. Difference (∆) .............................. 5-97



c. Control (W) .................................. 5-97



→ 3-162. Digital System Sensitivity. 5-96 Commissioned


-80 dBm minimum

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Section 14. DMS MSSR Receiver – Standards and Tolerances (Continued)


Paragraph Initial Operating 3-163. Probability of Detection (PD) for

MSSR PARROT.

a. PD, minute ................................. 5-98 Commissioned


Same as standard

Same as standard

b. PD, hour..................................... 5-98 Commissioned


Same as standard

Same as standard

c. Range......................................... 5-98 Commissioned


Same as standard

d. dRange ...................................... 5-98 0 ±0.13 nmi ±0.13 nmi e. Azimuth ..................................... 5-98 Commissioned


Same as standard

f. dAzimuth ................................... 5-98 0 ±0.18 degrees ±0.18 degrees 3-164. through 3-169. Reserved.

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Chapter 4 Periodic Maintenance

4-0. General.

a. This chapter establishes all the maintenance activities that are required for the Airport Surveillance Radar Model-11 (ASR-11) equipment on a periodic, recurring basis and the schedules for their accomplishment. The ASR-11 system consists of a Primary Surveillance Radar (PSR) and a Monopulse Secondary Surveillance Radar (MSSR) or Diminishing Manufacturing Source Monopulse Secondary Surveillance Radar (DMS MSSR). System maintenance activities are contained herein and additional maintenance activities are contained in the ASR-11 instruction book.

b. The following list of performance checks and maintenance tasks is not to be taken as the

minimum work required for proper maintenance, but rather as the maximum interval permitted between tasks.

c. The interconnection and configuration of the equipment may vary due to installation

requirements at a particular site or facility. Schedules should be followed for equipment utilized at each facility. Also, checks or remote functions such as alarms at the remote control box, apply only if connected.

d. Completion of all performance checks and maintenance tasks within the prescribed intervals in sections 1 through 7, as applicable, is mandatory.

e. The periodic maintenance checks listed in this chapter are to be completed for each channel in each subsystem (if applicable). The checks should be performed in a manner that will minimize equipment downtime.

f. If a performance check or maintenance task results in an interruption to the facility or in a change or adjustment to a certification parameter, the system must be appropriately certified in the facility maintenance log as required by Order 6000.15.

g. Test equipment used to measure key performance parameters identified in chapter 3, must be scheduled for calibration in accordance with the latest edition of Order 6200.4, National Test Equipment Program Management. Measuring these performance parameters with an Operator Maintenance Terminal (OMT) must be periodically validated by comparing the measured values with calibrated test equipment. With the exception of the 0-99dB step attenuator, test equipment items identified as “user calibration” do not require certification certificate or calibration stickers affixed to the item.

h. References to specific paragraphs (for example 3-2.a.(1) or 5-10) refer to paragraphs of this order. References to other publications (for example IAW TI 6310.57, section 5) refer to the associated instruction books. Technical Instruction Books indicated in brackets (for example IAW TI 6310.57 [TI 6310.63]) refer to the -3 configuration system instruction books. The indicated reference for a procedure is a recommendation. Other methods, using equivalent equipment and procedures that will establish operation within the allowable operating tolerance/limit, are permitted. Test/field data supplied with each system by the manufacturer is not referenced; however, it may prove to be beneficial in some instances.

i. The ASR-11 can be interfaced to a ARTS-IIE, STARS, or ARTS-IIIE automation computer and not all sites will have the same configuration and sub-systems. For example, the ARTS-IIE configuration utilizes Surveillance Data Translator (SDT) with Digital Video Generators (DVG) and

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Video Distribution Control Units (VDCU) while the STARS utilizes a System Interface Unit (SIU) and there are no DVGs or VDCUs. The system specialists performing the periodic maintenance procedures should only use the procedures for the configuration that the applicable radar site has.

j. Refer to the latest edition of Order 6000.15 for additional guidance.

k. Sections 1 and 2 are applicable to the PSR radar. Section 1 identifies the system performance checks (i.e., tests, measurements, observations, and adjustments) of the normal operating controls and functions, which are necessary to determine whether operation is within established tolerances/limits. Section 2 identifies the other scheduled tasks that are necessary to ensure reliable system operation and prevent deterioration.

l. Sections 3 and 4 are applicable to the MSSR radar. Section 3 identifies the system

performance checks (i.e., tests, measurements, observations, and adjustments) of the normal operating controls and functions, which are necessary to determine whether operation is within established tolerances/limits. Section 4 identifies the other scheduled tasks that are necessary to ensure reliable system operation and prevent deterioration.

m. Section 5 is used for the data communication systems. Section 5 lists the performance

checks for the various data communication systems and identifies the maintenance procedures to be used to verify the various parameters.

n. Sections 6 and 7 are applicable to the DMS MSSR radar. Section 6 identifies the system performance checks (i.e., tests, measurements, observations, and adjustments) of the normal operating controls and functions, which are necessary to determine whether operation is within established tolerances/limits. Section 7 identifies the other scheduled tasks that are necessary to ensure reliable system operation and prevent deterioration. 4-1. FAA Form 6000 Series and eTPR Workbooks. Order 6000.15, General Maintenance Handbook for National Airspace System (NAS) contains guidance and detailed instructions for field utilization of FAA form 6000 series and electronic TPR (eTPR) workbooks (Trend Analysis), as applicable to the ASR-11. Make entries in accordance with the instructions published in Order 6000.15, (except as otherwise instructed in the subparagraphs to follow). Automated TPR or eTPR will provide an appropriate workbook to record required system parameters directly into the National Logging Network (NLN). For DOD technicians FAA Technical Performance Record (TPR) forms may be electronically downloaded at: https://www.adx.faa.gov/portal/group/non-dod/tprs.

The ASR-11 equipment requires recording of performance parameters identified by “measure and record data” found in chapter 4.

a. FAA Personnel. In RMLS Simplified Automated Logging (SAL), use the eTPR workbook associated with the Facility, Service and Equipment Profile (FSEP) equipment ASR and its Facility Identification Code (FIC) to record required preventive maintenance. An eTPR Workbook Report is available at http://nas.amc.faa.gov/ajw14/etpr/.

b. Department of Defense (DoD) Personnel. Use TPR forms to record required preventive maintenance.

(1) FAA Form 6310-8, ASR-11 MSSR/DMS MSSR Receiver

(2) FAA Form 6310-12, ASR-11 PSR Receiver MDS

(3) FAA Form 6310-13, ASR-11 Transmitter Output Power

(4) FAA Form 6310-19, ASR-11 MSSR/DMS MSSR Transmitter

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https://www.adx.faa.gov/portal/group/non-dod/tprs

http://nas.amc.faa.gov/ajw14/etpr/

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Section 2. PSR Other Maintenance Tasks (Continued)

Reference Paragraph Maintenance Tasks Standards &

Tolerances Maintenance Procedures

4-11. Antenna/Pedestal Assemblies.

a. Annually. Perform the following tasks:

Antenna/Pedestal Inspection ........................................... Antenna Tilt PSR 3-30

LVA 3-70 and 3-170

5-36

4-12. PSR Microwave Assembly (Unit 6). a. Quarterly. Perform the following checks on Receiver

Protectors 6Z1, 6Z2.

(1) SP recovery margin ................................................... 3-35.a.(1) 5-32 (2) SP suppression value ................................................ 3-35.a.(2) 5-32 (3) LP recovery margin ................................................... 3-35.b.(1) 5-32 (4) LP suppression value ................................................ 3-35.b.(2) 5-32

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4-13. Pedestal (Unit 35). a. Quarterly. Perform the following checks using external

test equipment

(1) Pedestal Local Control Panel Power Supplies (a) Encoder X, PS-1 ..................................................... 3-33.a. 5-29 (b) Encoder Y, PS-2 ..................................................... 3-33.b. 5-29 (c) Polarizer, PS-3 ........................................................ 3-33.c. 5-29 (d) Weather Beam Switch, PS-4 .................................. 3-33.d. 5-29 (2) Withdrawn by Change 1

(3) Pedestal Main Gear Oil Level Inspection .................... N/A IAW TI 6310.59 Book 1

Para 3.6.2.1 b. Semiannually. Perform the following tasks: (1) Sample Pedestal Main Gear Oil Sump ....................... N/A IAW TI 6310.59

Book 1 Para 3.6.1.2

(2) Sample Drive Train Gearbox Oil ................................. N/A IAW TI 6310.59

Book 1 Para 3.6.1.1

c. Annually. Perform the following task: Test Master Safety Switch and Safety Interlock

Operations ...................................................................... N/A 5-35

d. Initial 5 Year. Perform the following tasks 5 years after

initial installation and thereafter, As Required:

(1) Replace Pinion Lip Seals ........................................ N/A IAW TI 6310.59

Book 1 Para 3.8

(2) Replace Sump Outer Felt Seal................................ N/A IAW TI 6310.59

Book 1 Para 3.9.2

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4-19. Variable Site Parameters (VSP) Verification. Annually. Verify compliance with commissioned

baseline ............................................................................... 3-28 5-27

4-20. Variable Site Parameters (VSP) Backup.

a. As Required. Before and after changing any VSP value(s)

(1) Ultra5 Workstation N/A 5-31 (2) T2000 Workstation N/A 5-38 b. As Required. Transfer files to/from AJW-1471 N/A 5-39

4-21. Fiber Optics.

Annually. Perform the following check. (1) Single-Mode Fiber Configuration (a) Distance Path: >100 meters and < 1 kilometers 1 Transmission Path Losses .............................. 3-40.a.(1).(a) 5-80 2 Radar Site Transmission Level ....................... 3-40.a.(1).(b) 5-80 3 Indicator Site Transmission Level ................... 3-40.a.(1).(c) 5-80 (b) Distance Path: >1 kilometers 1 Transmission Path Losses .............................. 3-40.a.(2).(a) 5-80 2 Radar Site Transmission Level ....................... 3-40.a.(2).(b) 5-80 3 Indicator Site Transmission Level ................... 3-40.a.(2).(c) 5-80 4-22. Verify ASDP REX Weather Clutter Maps

As Required. Following any ASDP REX reset, verify Weather Clutter Maps. .......................................................

N/A 5-23

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4-23. Lightning Protection System Components

a. Pedestal and Antenna Lightning Protection. (1) As Required. (a) Pedestal Local Control Panel (PLCP) Transient

Voltage Surge Suppressor (TVSS) #1 .......................... N/A IAW TI 6310.47

[TI 6310.64] Vol 1, WP 010 04,

Section 2-4 (b) PLCP TVSS #2 ...................................................... N/A IAW TI 6310.47

[TI 6310.64] Vol 1, WP 010 04,

Section 2-4 (c) DP2 TVSS ............................................................. N/A IAW TI 6310.47

[TI 6310.64] Vol 1, WP 010 04,

Section 2-4 (d) DP3 TVSS ............................................................. N/A IAW TI 6310.47

[TI 6310.64] Vol 1, WP 010 04,

Section 2-4 (e) Weather Beam Assy. TAZ Diodes ......................... N/A IAW TI 6310.47

[TI 6310.64] Vol 1, WP 010 04,

Section 2-5 (f) Citel Base Five (CB5) ............................................ N/A IAW TI 6310.47

[TI 6310.64] Vol 1, WP 010 04

(g) Pedestal Room, TVSS, U34A1 ............................. N/A IAW TI 6310.47

[TI 6310.64] Vol 1,, WP 010 04,

Section 2-2.1 (h) Pedestal Room, TVSS, U35A7 ............................. N/A IAW TI 6310.47

[TI 6310.64] Vol 1, WP 010 04,

Section 2-3

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Section 3. MSSR Performance Checks (Continued)

Reference Paragraph Performance Check Standards &


4-31. MSSR Receiver.

a. Weekly. Perform the following checks using the Operator Maintenance Terminal (OMT).

(1) Rx Sensitivity Level (a) ∆ (Difference) Channel Sensitivity .......................... 3-60.a.(1) 5-51

(b) S (Sum) Channel Sensitivity ................................... 3-60.a.(2) 5-51

(c) W (Control) Channel Sensitivity .............................. 3-60.a.(3) 5-51

b. As Required. Perform Digital System Sensitivity (DSS) using calibrated external test equipment.

3-62 5-59

c. Quarterly. Perform the following checks using calibrated external test equipment to measure receiver parameters and record data.

(1) Minimum Receiver Sensitivity (use either MBTS or

signal generator)

(a) S (Sum) Channel (using MBTS) ........................... (using signal generator) .........................................

3-61.a 5-60 or 5-66

(b) ∆ (Difference) Channel (using MBTS) .................. (using signal generator) .........................................

3-61.b 5-60 or 5-66

(c) W (Control) Channel (using MBTS) ...................... (using signal generator) .........................................

3-61.c 5-60 or 5-66

d. Annually. Perform the following checks using calibrated external test equipment to measure receiver parameters and calibrate OMT

(1) Receiver Synthetic Target Calibration and

Verification (use either MBTS or signal generator)

(a) S (Sum) Channel (using MBTS) ........................... (using signal generator) .........................................

3-60.b.(1) 5-58 or 5-65

(b) ∆ (Difference) Channel (using MBTS) .................. (using signal generator) .........................................

3-60.b.(2) 5-58 or 5-65

(c) W (Control) Channel (using MBTS) ...................... (using signal generator)

3-60.b.(3) 5-58 or 5-65

4-32. through 4-39. Reserved.

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Section 4. MSSR Other Maintenance Tasks



4-40. MSSR LVA Antenna. a. Semiannually. Perform the following tasks: Antenna Pattern Measurement Verification (performed

concurrently with paragraph 4-42a.(1)) .............................. 3-72 5-72

IAW TI 6310.56 Section 4, Annex C

b. As Required. Perform the following tasks: (1) MSSR Feeder Cable Phasing ...................................... 3-71.a IAW TI 6310.56

Section 6, Annex A (2) MSSR Feeder Cable VSWR ......................................... 3-71.b IAW TI 6310.56

Section 6, Annex C (3) MSSR Feeder Cable Insertion Loss ............................ 3-71.c(1)

3-71.c(2) IAW TI 6310.56

Section 6, Annex B 4-41. LVA Antenna Fittings and Connectors. 5 Years. Perform the following task:

Fittings and Fixtures Security .................................................. N/A IAW TI 6310.55 Section 4, Para 3.1

4-42. Monopulse Remote Site Monitor (MRSM) a. Semiannually. Perform the following checks. (1) Antenna Pattern Measurement (performed

concurrently with paragraph 4-40a.) ............................ 3-100 5-72

(2) Reply Sum Video Amplitude (SVA) Level .................... 3-101 5-71 b. Annually. Perform the following tasks Check Antenna and External RF Connections. ................. N/A Visual Inspection

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Section 6. DMS MSSR Performance Checks (Continued)

Reference Paragraph Performance Check Standards &


4-61. Receiver.

a. Weekly. Perform the following checks using the Operator Maintenance Terminal (OMT).

(1) Rx Sensitivity Level (a) ∆ (Difference) Channel Sensitivity .......................... 3-160.a(1) 5-91

(b) S (Sum) Channel Sensitivity ................................... 3-160.a.(2) 5-91

(c) W (Control) Channel Sensitivity .............................. 3-160.a.(3) 5-91

b. As Required. Perform Digital System Sensitivity (DSS) using calibrated external test equipment.

3-162 5-96

c. Quarterly. Perform the following checks using calibrated external test equipment to measure receiver parameters and record data.

(1) Minimum Receiver Sensitivity (use either MBTS or

signal generator)

(a) S (Sum) Channel (using MBTS) ........................... (using signal generator) ...............................................

3-161.a 5-97 or 5-111

(b) ∆ (Difference) Channel (using MBTS) .................. (using signal generator) ...............................................

3-161.b 5-97 or 5-111

(c) W (Control) Channel (using MBTS) ...................... (using signal generator) ...............................................

3-161.c 5-97 or 5-111

d. Annually - OMT Calibration. Perform the following checks using calibrated external test equipment to measure receiver parameters and calibrate OMT.

(1) Receiver Synthetic Target Verification (use either

MBTS or signal generator)

(a) S (Sum) Channel (using MBTS) ........................... (using signal generator) ...............................................

3-160.b.(1) 5-95 or 5-110

(b) ∆ (Difference) Channel (using MBTS) .................. (using signal generator) ...............................................

3-160.b.(2) 5-95 or 5-110

(c) W (Control) Channel (using MBTS) ...................... (using signal generator) ...............................................

3-160.b.(3) 5-95 or 5-110

4-62. through 4-69. Reserved

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Section 7. DMS MSSR Other Maintenance Tasks



4-70. MSSR LVA Antenna. a. Semiannually. Perform the following tasks: Antenna Pattern Measurement Verification (performed

concurrently with paragraph 4-72.a.(1)) ............................. 3-200 5-106

b. As Required. Perform the following tasks: (1) MSSR Feeder Cable Phasing ...................................... 3-171.a IAW TI 6310.60

Section 6, Annex A (2) MSSR Feeder Cable VSWR ......................................... 3-171.b IAW TI 6310.60

Section 6, Annex A (3) MSSR Feeder Cable Insertion Loss ............................. 3-171.c(1)

3-171.c(2) IAW TI 6310.60

Section 6, Annex A 4-71. LVA Antenna Fittings and Connectors. a. 5 Years. Perform the following task: Fittings and Fixtures Security ............................................. N/A IAW TI 6310.55

Section 4, Para 3.1 4-72. Monopulse Remote Site Monitor (MRSM) a. Semiannually. Perform the following checks. (1) Antenna Pattern Measurement (performed

concurrently with paragraph 4-70.a.) ................................ 3-200 5-106

(2) Reply Sum Video Amplitude (SVA) Level .................... 3-201 5-105 b. Annually. Perform the following tasks Check Antenna and External RF Connections. ............. N/A Visual Inspection 4-73. MSSR Equipment Cabinets. a. Quarterly. Perform the following tasks: (1) Test monitor and control panel lamps ...................... N/A Visual Inspection (2) Cabinet and console filters ....................................... N/A IAW TI 6310.61

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3 Click on "data disc". 4 In upper left corner, click on "Tools" from the pull down menu. 5 Click on "Options" and verify that the follow items are all selected.

• Track at once (TAO) open • Mode: Mode 1 • File System : ISO level 2 (212 character file name) • Write-once DVD compatibility - (use default setting) • Verify data is written to disc after burning

6 Click OK 7 Under Data disc click on add data, then add files and select all files from

C:\Site_Adaptation\<site data> directory and click add 8 Verify all selected files are listed 9 Insert a blank CD-ROM into the CD-ROM drawer. 10 Click on the red record button, this will start the recording 11 CD-ROM drawer will eject when finished recording, in the middle of the page

verify that the disc was created successfully 12 Click on the X at top right corner to close program 13 Select “No” to save current data disc project 14 Label CD "<Site ID>, Site Tailoring files Build XX MM/DD/YYYY".

(b) Verify that the SCDI can read the CD.

1 On the standby SCDI, place the CD in the CD-ROM drawer.

2 Open a UNIX window and login as Root. See paragraph 5-31e(1)(b) if

needed. At the prompt, type the following commands.

3 # cd /cdrom

4 # ls repeat this command until the cdrom0 directory is shown.

5 # cd cdrom0

6 # ls –l verify that all the .tar files can be seen and that they have the correct file names.

• <site data>_omt.tar • <site data>_scdia.tar • <site data>_scdib.tar

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7 # cd /

8 # eject cdrom0

9 Remove the CD-ROM from drawer and store in a safe, dry location.

10 Close Unix window.

(c) Restore Weather laptop's IP address to address written down in paragraph 5-

31e(4)(b)7, using the procedure in paragraph 5-31e(4).

(7) Transfer Site Tailoring Files to AJW-1471. (a) Perform the procedures in paragraph 5-39 File Transfer to upload the Site

Tailoring files to AJW-1471. If AJW-1471 has a copy of the current site adaptation file(s) and the site VSP configuration has not changed, i.e. OMT Site Tailoring, the file(s) do(es) not need to be transferred. This step can be completed after all Site Tailoring files have been created.

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Figure 5-17 Reserved.

Figure 5-18 Reserved.


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5-32. Measuring Receiver Protector Timing and Suppression.

a. Objective. This procedure will be used to measure the Primary Surveillance Radar (PSR)’s receiver protection during transmit time using calibrated external test equipment.

b. Discussion.

(1) Down time will be required to perform this procedure and this must be coordinated with Air Traffic.

(2) With the PSR transmitter “ON” and in the “maintenance mode” measure the values of

the receiver protector transmit pulse suppression and transmit pulse timing. (3) This test event assumes that Air Traffic Control’s Radar Control Panel (RCP) has

system control (normal configuration) and that coordination with Air Traffic is required for them to release control of the ASR-11 system to Technical Operations technicians.

(4) These tests are performed at the radar site with SCDI-A having “Monitor and Control”

Privileges.

c. Test equipment required: Boonton RF Peak Power Meter or equivalent (With 2 power heads) Narda Type N coaxial directional Coupler Type N to BNC adapter 2 ea test cable, RG-58, 6-foot

d. Conditions. Ensure the PSR is operating fault free with Channel A selected.

e. Detailed procedure.

(1) Point of control.

(a) This procedure will result in loss of radar data. Downtime must be coordinated with Air Traffic Control prior to performing this procedure.

(b) Perform the procedure detailed in paragraph 5-10.

(2) Power Meter Initialization and Preliminary Settings.

(a) Perform the power meter initialization and setup. Setup procedures are available on the ASR-11 Second Level Engineering Support website, http://www.faa.gov/aos/aos232. This procedure will configure the power meter to a slightly different configuration and the setup procedure provides the base to start from. Dual sensors will be required for this procedure.

(b) Change the power meter’s “Freq Group” to 2.8 GHz, by depressing the “MEAS”

button, then “Freq Group”, highlighting “Freq CH1” and entering 2.8 then press the “G” button in the “Date Entry” group. Highlight “Freq CH2” and enter 2.8 then press the “G” button in the “Date Entry” group.

(c) Change the power meter averaging for CH1 to 100 by depressing “CHAN”

button, then the “CHAN 1 > Extensions” button. Press the “CHAN 1 > Extensions > Averaging” button

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and set to 100. Change the power meter averaging to for CH2 to 100 by depressing “CHAN” button, then the “CHAN 2 > Extensions” button. Press the “CHAN 2 > Extensions > Averaging” button and set to 100.

(d) On the peak power meter, depress the “TRIG” button, then depress the button

associated with “Trig Source” until “1 Ext” is displayed in the window. Note: The meter will be triggered on the negative going edge of the trigger pulse. This is set using “TRIG > Trig Slope > -”. Each time the meter loses the trigger (trigger cable disconnected) the trigger slope must be toggled back to “+” and then to “–”.

(3) Short and Long Pulse Width Measurements for PSR Channel A utilizing REX/SDP-A.

(a) Connect the Peak power Meter as follows:

1 Connect “Trigger 1” input to the peak power meter to REX/SDP-A’s trigger connection to A9A10 J1A5 (Short Pulse trigger). Connect “Channel 2” input to J1 on the REX-A target downconverter using the type N to BNC connector and one of the RG-58 cables.

2 Remove the connector from the input to the REX-A RF Module (A1A3) coming from the Receiver Protector (TR Tube). Install the Type N Coaxial coupler using a male to male type N adapter, then install the removed connector to the top (input side) of the coaxial coupler.

3 Connect Channel 1 input to the remaining port on the coupler (-20db port).

(b) From the SCDI in control, place both REX channels in maintenance.

1 Verify that REX/SDP-A is selected.

2 Change REX/SDP-A to single frequency transmission by selecting

“Equipment Control” from the REX/SDP pop-up menu, then selecting F1 for “Frequency Selection”.

(c) Select “Test Terminal” from the REX/SDP drop down menu on the SCDI. Then select “Change Beam and STC Overrides”. Refer to Figure 5-19 Change Beam and STC Override Screen.

1 Set “Target Beam Override Enabled” to True. 2 Set “Target STC Override Enabled” to True. 3 Set “Target Beam Override Value” to Low 4 Set “Target STC Override Value (dB)” to 0

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Figure 5-19 Change Beam and STC Override Screen

(d) Measure Short Pulse Recovery Time and Suppression Value on the Peak Power Analyzer.

1 Adjust the display so the short pulse (SP) is the only pulse displayed on the

peak power meter. If necessary adjust the power meter’s “Time > Timebase” (2 μs/Div) and “Time > Trig Delay” (25 μs) controls to display only the short pulse on the screen. It may be necessary to adjust the “Chan 1 >Vert Scale” and “Chan 1 > Vert Center” controls to position this pulse.

2 Using the channel selector turn channel 2 “on” by selecting Chan 2>

Channel on. It may be necessary to adjust the “Chan 2 >Vert Scale” and “Chan 2 > Vert Center” controls to position this pulse.

3 The TRIG > Trig Slope > setting on the power meter may need to be toggled

between “–” and “+”.

4 Wait for the “Capturing New Data” message to disappear if it is displayed on the lower left portion of the screen.

5 Refer to Figure 5-20, Short Pulse Recovery Margin Measurements. The

time between the Channel 1 input waveform and the Channel 2 Input waveform is the recovery time margin.

6 Use the Mark function to measure the time by pressing Mark> Marker1 and

positioning the marker on the trailing edge of the short pulse.

7 Select Marker 2 and position on the leading edge of the second waveform. The time difference is the time that MAXSTC remains set after the Receiver Protector (TR Tube) has recovered.

8 Verify that the recovery margin is within standards and tolerances.

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5-33. Reserved 5-34. PSR / MSSR System Performance Analysis (FAA Sites Only).

a. Objective: This procedure requires the system specialists to analyze the processed radar beacon data sent from the ASR-11 to the applicable automation unit (ARTS/STARS). Radar data analysis is performed on this data. The results will be used for site trend analysis.

b. Discussion:

(1) This procedure does not require downtime and should be performed on the online selected channel. No configuration change is required. This statement assumes that the selected PSR/MSSR channels are changed periodically as part of normal operation.

(2) The procedure should be performed on a day with no severe weather within the

coverage area. (3) A data file is recorded with the DTE Monitor, and a program called “Radar Beacon

Analysis Tool” (RBAT) is used to analyze the file. This program generates output files containing many parameters such as Pd (beacon & search), and ID/Altitude confidence. Values obtained through this procedure will be compared to previously recorded output files for trend analysis.

c. Test Equipment Required:

Weather optimization notebook computer DTE Monitor DTE Monitor software RBAT radar data analysis software (should be version 8.5. It can be obtained from the DTE Monitor install CD or from AJW-147).

Note: If necessary, refer to the ASR-11 Second Level Engineering Support website, http://www.faa.gov/aos/aos232. for the ASR-11 DTE Monitor and CD2 capture device’s connection and operation, and installation of required DTE Monitor software. The computer’s IP address should be 172.16.199.11.

d. Conditions: Ensure that the PSR System is operating normally.

e. Detailed Procedure:

(1) Record Data and Analyze System Performance.

(a) Record data for one hour as follows:

1 Start the DTE Monitor program. 2 After visually ensuring primary and secondary targets are being displayed,

click on the “Record” button. The “Open CD RECORD file for recording” dialog box appears on the screen.

Note: Look at the middle of the dialog box under the label “CD RECORD File Header” where the “Channels and Site Names” information is displayed. If the Site ID doesn’t match your site ID, please refer to the procedures on the ASR-11 Second Level Engineering Support website, and perform the necessary steps to set your site ID.

3 Enter the filename “Proc534” in the filename field (do not hit return!)



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4 Select the radio button labeled “Minutes” located at the bottom of the dialog box. Over on the right side there is a field showing the default value of 90 minutes, change that to 60 (do not hit return!)

5 Click the “Date_Time Filenames” box to make sure it is checked. (This will

add a unique date/timestamp to the filename. So, for example, the file created here will have a name that looks similar to “Proc534_May13_2006_131612.dat Proc534_May13_2006_131612_a.dat for channel A and Proc534_May13_2006_131612_b.dat for channel B””).

6 In the “Comments” enter: “PSR performance check, <today’s date>, SEL=

PSR-A (or PSR-B), MSSR-A (or MSSR-B), SCDI-A” and any other useful info (do not hit return!). 7 Click the “Save” button to start the recording, it will run for 60 minutes (the

“Recording Goal” display in the upper left corner of the monitor window will turn gray and show “Not Recording” when it halts).

8 After the recording completes, click the “Scr” (scroll) checkbox in the “DTE

Monitor – Message Display” window at the top of the screen. Click on the up arrow button to scroll backward through the message log from the “Stopped Recording” message to the “Starting record” message. Error messages (if any) are displayed in red type.

Note: There should be no errors during the recording. If errors are present, the recording should not be used. The recording should be re-run after the errors have been resolved.

9 The first file recorded with this procedure should be saved indefinitely on

the weather optimization computer and its location annotated as part of the site commissioning data. The subsequent files recorded should be saved as directed by the data retention policy for the site.

10 Exit from the DTE Monitor program by selecting “File, Exit” from the menu.

(b) Run the RBAT data analysis program on the recorded data file (the following steps apply to version 8.5 of that program).

1 First, verify the recorded file is good. Start the RBAT program. From the

RBAT menu select “Programs”, and then “Analyze Data.” 2 From the “Program Selection” list, select “Scan Summary” and click “OK”. 3 When the “Options Selection” window appears, click on “Plot” and this

should remove the check mark from the box. Click “OK”. 4 In the “Open (Input File) dialog box, locate and select the

“Proc534_date_timestamp.dat Proc534_date_timestamp_a.dat for channel A and Proc534_date_timestamp_b.dat for channel B” file recorded in step e. (1) (a). Click the “Open” button.

5 In the “Save As (Output Text File) dialog, click the “Save” button. 6 Next the “Site Parameters: XXX” dialog box appears (XXX should be your 3

letter Site ID). In the “Radar type, beacon, search” field select the radar entry that corresponds to the maximum range settings of the DTE device (i.e., SDT, SIU, etc.) used to record the data. If a SDT was utilized as the DTE device, select the “ASR11, ASR11, ASR11” entry by clicking the black arrowhead at the right of the field and then selecting from the drop-down list. If a SIU device was used, the entry

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for this field is dependent on the “Maximum Range” settings of the SIU. Table 5-10 SIU Maximum Range Settings lists the proper radar entry for different SIU “maximum range” settings.

Table 5-10 SIU Maximum Range Settings

SIU Maximum Range setting (Nm) “Radar type, beacon, search” field entry 64 ASR11, ASR11, ASR11 128 ASR11 DOD, ASR11, ASR11 256 ASR11 1/16 NMI LSB, ASR11, ASR11

7 If the recording was from the output of the SDT, click “Beacon Sector

Mark”; if the recording was from the output of the SIU, click “Search Sector Mark.” Click “OK”.

8 Next the “Filters” dialog box appears. Click “OK”. This should result in the program running with your entries. You may briefly see a progress bar and then the main RBAT window is displayed when the run is complete.

9 To see the “Scan Summary” results, from the main RBAT menu select

“Programs, Display Results”. In the “Program Selection” list, select “View” and click “OK’. 10 In the “Open (Text File)” dialog, select the file just created

(PROC534_date_timestamp_dat_scansum.txt Proc534_date_timestamp_a_dat_scansum.txt for channel A and Proc534_date_timestamp_b_dat_scansum.txt for channel B) and click “Open”.

11 The “View Program” window will open with the results of the analysis

displayed. Page down twice to see the tabulated results summary. In the middle of the view there is a column titled “Srch ScMk”. There should be 32 sectors for each scan, although some instances may exist where sectors per scan may follow a 31, 33 pattern (Sector Mark Inconsistency or SMI event) in consecutive scans. If there are no errors elsewhere in the summary list and there are 32 sectors per scan or one SMI event, the recording is good. It is not a problem if the first and last scans do not contain 32 sector marks. If there are more than one instances of the 31/33 pattern found in the summary list, the automation system operation logs (e.g. ARTSIIE or STARS) should be inspected for any signs of missing or extra sector marks. If no SMI events exist in the automation system logs, proceed with the analysis. If an SMI event exists at the automation site, contact the AJW-1471 personnel for further assistance. When finished, the “View Program” window can be closed.

12 From the main RBAT menu select “Programs”, then “Analyze Data.” From

the “Program Selection” list, select “Surveillance Analysis” and click “OK”. 13 When the “Options Selection” window appears, click on “Plot” and this

should remove the check mark from the box. Click “OK”. 14 In the “Open (Input File) dialog box, locate and select the


15 In the “Save As (Output Text File) dialog, click the “Save” button. 16 Next the “Site Parameters: XXX” dialog box appears (XXX should be your 3

letter Site ID). In the “Radar type, beacon, search” field select the radar entry that corresponds to the maximum range settings of the DTE device (i.e., SDT, SIU, etc.) used to record the data. If a SDT was utilized as the DTE device, select the “ASR11, ASR11, ASR11” entry by clicking the black arrowhead at the right of the field and then selecting from the drop-down list. If a SIU device was used, the entry for this field is dependent on the “Maximum Range” settings of the SIU. The Table 5-10 SIU Maximum Range Settings lists the proper radar entry for different SIU “maximum range” settings.

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17 If the recording was from the output of the SDT, click “Beacon Sector Mark”; if the recording was from the output of the SIU, click “Search Sector Mark.”

18 Enter the elevation of your antenna in the “Elevation of antenna above MSL

(FT). This may be found in the site commissioning data or INCO data for your site. 19 Set the “Maximum range (NMIs)” to 60. Click “OK”. 20 Enter the information for your site’s fixed transponders (MSRM, Parrot,

CPME) in the next dialog. Click “OK” when finished. 21 In the “User Parameters” dialog, click “OK”. 22 In the next User Parameters dialog box, enter “1” for “Range window

(NMIs), “5” for “Azimuth window (DEGs), “4” for “Number of consecutive coasts…), and “10” for “Minimum track life…). Click “OK” when finished.

23 Next the “Filters” dialog box appears. For:

“Range in nautical miles” enter “0.5, 60.0”; “Azimuth in degrees” enter “0.0, 360”; “Altitude in feet” enter “0, 24000”; and “Elevation angle in degrees” enter “0.5, 30.0”. Click “OK” when finished.

This should result in the program running with your entries. You may briefly see a progress bar and then the main RBAT window is displayed when the run is complete.

24 From the RBAT menu select “Programs, then Analyze Data.” 25 From the “Program Selection” list, select “Beacon False Target Summary”

and click “OK”. 26 When the “Options Selection” window appears, click “Plot” and this should

remove the check mark from the box. Click “OK”. 27 In the “Open (Input File) dialog box, select the


28 In the “Save As (Output Text File) dialog”, click the “Save” button. 29 At this point the “Site Parameters: XXX” dialog box appears (XXX should be

your 3 letter Site ID). In the “Radar type, beacon, search” field select the radar entry that corresponds to the maximum range settings of the DTE device (i.e., SDT, SIU, etc.) used to record the data. If a SDT was utilized as the DTE device, select the “ASR11, ASR11, ASR11” entry by clicking the black arrowhead at the right of the field and then selecting from the drop-down list. If a SIU device was used, the entry for this field is dependent on the “Maximum Range” settings of the SIU. The Table 5-10 SIU Maximum Range Settings lists the proper radar entry for different SIU “maximum range” settings.

30 If the recording was from the SDT, click “Beacon Sector Mark”; if the

recording was from the SIU, click “Search Sector Mark.” 31 Enter the elevation of your antenna in the “Elevation of antenna above MSL

(FT)” field. 32 Set the “Maximum range (NMIs)” to 60. Click “OK”.

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33 In the “User Parameters” dialog box, click “OK”

34 In the next User Parameters dialog box, enter “4” for “Number of consecutive coasts…”, “0.2” for “Delta range limit for false target categories (NMIs)”, “4.0” for “Delta azimuth limit for false target categories (DEGs)”, and “200” for “Delta altitude limit for false targets (FT)”. Click “OK”.

35 In the “Filters” dialog, enter “0, 7777” for “ATCRBS id in octal”. Click “OK”. This should result in the program running with your entries. You may briefly see a progress bar and then the main RBAT window is displayed when the run is complete.

36 To see the “Surveillance Analysis” results, select “Programs, Display

Results”. In the “Program Selection” list, select “View” and click “OK’. 37 In the “Open (Text File)” dialog, select the file just created

(PROC534_date_timestamp_dat_sa.txt Proc534_date_timestamp_a_dat_sa.txt for channel A and Proc534_date_timestamp_b_dat_sa.txt for channel B) and click “Open”.


displayed. Page down twice to see the tabulated results summary. From the “Total” row, note the values. When finished, the “View Program” window can be closed.

39 To see the “Beacon False Target Summary” results, select “Programs,

Display Results”. In the “Program Selection” list, select “View” and click “OK’. 40 In the “Open (Text File)” dialog, select the file just created

(Proc534_date_timestamp_dat_bfts.txt Proc534_date_timestamp_a_dat_bfts.txt for channel A and Proc534_date_timestamp_b_dat_bfts.txt for channel B) and click “Open”.


displayed. Page down twice to see the results summary column. Note the numbers in the “Percent” columns. When finished, the “View Program” window can be closed.

(c) Compare results with your initial system performance analysis. If a degrading trend is noticed for those numbers, call (800) 475-2667.

(d) Exit the RBAT program and shut down the laptop computer. 5-35. Master Safety Switch and Safety Interlock Test and Inspection.

a. Objective. This procedure will test and inspect the antenna and pedestal safety interlocks. It will require approximately 3 hours of system downtime. The Technical Operations system specialist must coordinate the downtime with Air Traffic Control.

b. Discussion.

(1) In this procedure, all safety interlocks and switches associated with the antenna and antenna pedestal are activated and verified to be operational. The system specialist will also verify that the appropriate alarms occur at the SCDI.

(2) This test event assumes that Air Traffic Control’s Radar Control Panel (RCP) has system control (normal configuration) and that coordination with Air Traffic is required for system downtime and for them to release control of the ASR-11 system to Technical Operations technicians to perform this procedure.

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Note: This procedure requires the antenna motors be operational. Do not isolate the Antenna Motor Controller circuit breakers. The required Lockout/Tagout will be initiated at Safety Switch 35S1. c. Test Equipment Required.

Rust Inhibitor P/N 78360X or equivalent. Appropriate Lockout/Tagout devices. Refer to Local Lockout/Tagout Procedures as required. Cloth TI 6310.47 [TI 6310.64] WP005 01

d. Conditions. The PSR System will be taken out of service to perform this procedure. This procedure must be coordinated with Air Traffic Control.

e. Detailed Procedure.

(1) Point of Control.

Perform the required actions detailed in procedure 5-10 Point of Control Configuration.

(2) System Shutdown at the Radar Shelter

(a) Disable MSSR and PSR RF transmission.

1 At the on-line selected SCDI-A, click on selected MSSR box. Select Equipment Control. Set Interrogator RF Enable to OFF. Confirm when prompted and close to return to Main Status Screen.

2 At SCDI Main Status Screen, click on PSR Tx box. At Transmitter Pop-up Menu, select Equipment Control. Set each amplifier and driver to OFF.

Note: This procedure does not require shutdown of the Transmitter Power Supplies.

3 Confirm when prompted. Select CLOSE to return to Main Status Screen.

(b) Transition MSSR and PSR standby and selected channels to Maintenance.

1 At selected SCDI Main Status Screen, click on standby MSSR box. Select

Change Equipment Role. Change to Maintenance. Verify MSSR box color changes to orange.

2 At selected SCDI Main Status Screen, click on selected MSSR box. Select Change Equipment Role. Change to Maintenance. At confirmation screen, press OK to confirm. Verify MSSR box color changes to orange.

3 At selected SCDI Main Status Screen, click on standby REX/SDP box. Select Change Equipment Role. Change to Maintenance. Verify REX/SDP box color changes to orange.

4 At selected SCDI Main Status Screen, click on selected REX/SDP box. Select Change Equipment Role. Change to Maintenance. At confirmation screen, press OK to confirm. Verify REX/SDP box color changes to orange.

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Figure 5-29 Drive Unit Assembly

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(4) Inspect Upper Pedestal

(a) Inspect Pedestal Stow Pin.

1 Remove Stow Pin from Stow Pin Holder. Visually inspect the Stow Pin for rust or corrosion. Spray rust inhibitor into the Stow Pin button on the handle and at the balls at the end of the pin. Depress the button several times to work in the lubricant. Wipe off excess.

Warning: Use rust inhibitor in accordance with manufacturer instructions. Review Safety Data Sheet (SDS) for safety information and required personal protective equipment (PPE).

2 Visually inspect the rubber seal or O-ring on the Stow Pin where the Stow

Pin head meets the Pedestal receptacle. 3 Manually rotate the antenna and insert the Stow Pin to lock the antenna in

the stowed position.

(b) Remove and replace Pedestal Brush Blocks (4 each) 1 Using Phillips screwdriver, remove two (2) screws, flat washers and lock

washers that secure Brush Block Contactor Base to Lower Bearing Support.

Figure 5-30 Brush Block Assembly

Note: When positioning the Brush Block Assembly into place, a light pressure will be felt as brushes contact the Contact Ring. This will ensure a constant ground path without excessive wear on the brushes.

2 Using Phillips screwdriver, install two (2) screws, flat washers and lock

washers to secure Brush Block Contactor Base to Lower Bearing Support. Adjust so the bracket is horizontal and the brushes are depressed to approximately 7/8 of their full depressed depth against the slip ring. Refer to figure 5-30.

3 Remove and replace the three other Brush Block assemblies.

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10 Close Unix window.

(c) Restore Weather laptop's IP address to address written down in paragraph 5-38e(4)(b)7, using the procedure in paragraph 5-38e(4).

(6) Transfer Site Tailoring Files to AJW-1471

(a) Perform the procedures in paragraph 5-39 File Transfer to upload the Site

Tailoring files to AJW-1471. If AJW-1471, has a copy of the current site adaptation file(s) and the site VSP configuration has not changed, i.e. OMT Site Tailoring, the file(s) do(es) not need to be transferred. This step can be completed after all Site Tailoring files have been created. 5-39. File Transfer

a. Objective. This procedure provides a method of transferring files to and from AJW-1471 ASR-11 Second Level Engineering.

b. Discussion. In this procedure, the Specialist will access the AJW-147 support website to upload and/or download files. These files include, but are not limited to, site adaptation files for the PSR and MSSR created in paragraphs 5-31 or 5-38 for the PSR and 5-68 or 5-102 for the MSSR.

c. Test Equipment Required. Computer with intranet access

Note: DoD facilities or FAA facilities without internet connectivity should make a second copy of files on CD-ROM and mail them to AJW-1471 at this address:

ASR-11 Second Level Engineering, AJW-147 FAA MMAC 6500 S. MacArthur Blvd; RSF Bldg 217 Oklahoma City, OK 73169

d. Conditions. Procedure utilizes computer not connected to ASR-11 system. e. Detailed Procedure.

(1) Upload files to AJW-1471 support website.

Note: This procedure requires the Specialist to have registered with the ASR-11 website and have a user name and password. From a soft document, click here to register with the ASR-11 website or use Internet Explorer and browse to: http://www.faa.gov/aos/aos232/index.cfm?PageView=Administration/registrationForm.cfm

Note: Refer to paragraph 5-31 VSP Backup for Ultra5 Workstation or paragraph 5-38 VSP Backup for T2000 Workstation for procedures for creating PSR Site Adaptation files. Refer to paragraph 5-68 MSSR Configuration Set Backup or 5-102 DMS MSSR Configuration Set Backup for procedures for creating MSSR Configuration Set files.

(a) Logon to the AJW support website at https://www.faa.gov/aos/aos232/main.cfm

as shown in Figure 5-35 AJW External Link Homepage. *

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http://www.faa.gov/aos/aos232/index.cfm?PageView=Administration/registrationForm.cfm




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Figure 5-35 AJW External Link Homepage

(b) Select the Upload Adapt link as shown in Figure 5-36, which will bring up the Upload Site Adapt interface. The interface can also be used to upload recordings, as required. The Upload Site Adapt screen is shown in Figure 5-36A.

Figure 5-36 Upload Adapt Link

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Figure 5-36A Upload Site Adapt Interface

(c) Fill in the 3 letter site identifier. (d) Select the appropriate Type radio button (i.e. PM for VSP Backup Periodic

Maintenance completion). Verify your name and email address are correct. (If not add comment to the comment section.)

(e) Select the files to be uploaded from the CD ROM using the browse button.

(f) Select Submit Adapt to upload the adaptation files.

Note: Adaptation upload will take a few minutes.

(2) Download files from AJW-1471 support website.

(a) When directed by AJW to download files, logon to the AJW support website at


(b) Select the Download Adapt link to access the Download Site Adapt interface. Refer to Figure 5-36B.


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Figure 5-36B Download Site Adapt Interface

(c) Select PSR for system.

(d) Select the configuration Type (i.e. TE-Enabled).

(e) Follow the on screen instructions and download the files.

Note: Right click on the filename and select "Save link as..." or "Save target as..." Navigate the "Save As" pop-up window to the location where the file is to be saved.

Note: If using Windows 7, after the download completes, close the download dialog box at the bottom of internet explorer. (progress of the next download cannot be viewed if this action is not completed.)

(f) Transfer the downloaded files to the weather laptop by burning them to a CD,

taking the CD to the weather laptop, and loading the files from the CD onto the weather laptop.

(3) Transfer the files from the weather laptop to the ASR-11 SCDI Workstation.

(a) Connect an Ethernet cable from the weather laptop to RADAR LAN A as described in paragraph 5-31 e. (4) (a).

(b) Start the WS_FTP_Pro program on the weather laptop.

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(c) Change the selected user to “root” (password should change to root) then

connect to SCDI A using the connect button in WS_FTP_Pro. (d) On the SCDI A side of the WS_FTP window, navigate to the /usr/home/sband

directory. Transfer the SCDI A “.tar” to the /usr/home/sband directory on the SCDI A (e.g. “smx_011_05_17_2013_scdia.tar”) from the Weather laptop.

(e) Click the disconnect button in WS_FTP_Pro to close the connection to SCDI A. (f) Connect to SCDI B using the connect button in WS_FTP_Pro. (g) On the SCDI B side of the WS_FTP window, navigate to the /usr/home/sband

directory. Transfer the SCDI B “.tar” to the /usr/home/sband directory on the SCDI B (e.g. “smx_011_05_17_2013_scdia.tar”) from the Weather laptop.

(h) Click the disconnect button in WS_FTP to close the connection to SCDI B.

(4) Install updated site tailoring. (a) On SCDI A [B], open a UNIX window, if one is not already open.

1 Click on the grey background and select "Local Workstation Actions" then click the “UNIX Admin” button.

2 Log on as user ray . Password ray . 3 Type autosu to become super-user. 4 Type cd /usr/home/sband to navigate to the proper directory.

(b) In the UNIX window on SCDI A[B] Type rm -rf site_tailoring to

remove the backup site tailoring folder. (c) Type tar xvf xxxx.tar where xxxx is the file name. (d) Type update_site_tailoring.sh to copy the new adaptation files to

their operational locations. Messages should scroll by. (On Build 11, Ignore the missing file messages, they are normal.)

(e) Close the UNIX window. (f) Repeat steps 5-39 e. (4) (a) through (e) on SCDI B

(5) Finalize Update

Note: A full primary and secondary RADAR outage is required to complete the process. The SCDIs and REXs need to be soft rebooted and time should be reserved to re-certify the PSR and verify that the primary RADAR presentation is correct prior to returning the RADAR to service. Time should also be reserved to fall back in case the changes prove unacceptable. At a minimum, 1 hour should be reserved.

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Note: The following steps will reset the SCDIs to load the Raytheon adaptation update into the SCDIs and REXs. This can be done by performing the time synchronization or by resetting each SCDI individually. The method described here uses the time synchronization procedure. As an alternative to time sync, both SCDIs can be brought to the OK prompt using local workstation actions SCDI shutdown and then rebooted with the boot command.

(a) Perform the time synchronization procedure in paragraph 5-83 Clock

Synchronization to reboot both SCDIs and any Operator Maintenance Terminal (OMTs) attached to the system.

(b) When the system boots back up, perform the following steps.

1 Take control on SCDIA and select the Equipment control screen to “soft” re-boot REX A using the reset button. Perform the same procedure to re-boot REX B.

Caution: A full PSR outage for an extended period of time (weeks) is possible if the REX Power on/Off switch is touched. DO NOT reboot the REX using the power on/off switch for the VME chassis or the REX Power supply.

2 Evaluate PSR performance using the Radar Data Display, (RDD), RADAR certification parameters, and performance parameters to be sure the display and values are reasonable.

3 Perform any certification checks required to return the system to service. 4 If system performance is abnormal or unacceptable, restore the original site

tailoring.

(6) Termination of Procedure. Perform procedure 5-11, Termination of Test to conclude this procedure. 5-40. through 5-49. Reserved

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(c) On the RADAR CERTIFICATION PARAMETERS screen, locate the MSSR PARAMETERS section at the lower half of the screen, and observe the forward and reverse power values in the INTERROGATOR A area.

(d) Verify that the values for the FORWARD POWER Σ and Ω are within chapter 3 standards and tolerances.

(e) Verify that the values for the Σ and Ω REVERSE POWER are within chapter 3 standards and tolerances. Use the SUM and CONTROL Channels’ forward and reverse power values to calculate the return loss: Pi – Pr = Return Loss (Pi = Forward Power and Pr = Reverse Power).

(f) Observe the MSSR-B values for RX SENSITIVITY Δ Σ Ω. Verify that the values are within chapter 3 standards and tolerances.

Note: System measurement of the Interrogator receiver synthetic target is only performed on the standby channel. Therefore the RX Sensitivity values displayed on the RADAR CERTIFICATION PARAMETERS screen are only updated on the standby channel.

(g) Coordinate with air traffic to swap channels, making MSSR-B the on-line,

selected channel.

(h) Observe MSSR-B FORWARD POWER Σ and Ω and REVERSE POWER Σ and Ω values.

(i) Observe MSSR-A RX SENSITIVITY Δ Σ Ω values. Verify that the all values are

within chapter 3 standards and tolerances.

(j) Close the RADAR CERTIFICATION PARAMETERS screen.

(3) Termination of Test. Perform procedure 5-11 Termination of Test to conclude this procedure. 5-52. Reserved.

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5-53. MSSR Interrogator Forward and Reverse Power and Pulse Width and Spacing Measurements.

a. Objective. This procedure measures each MSSR Interrogator’s SUM and CONTROL forward power, VSWR, and P1, P2, and P3 pulse width and spacing. The measurements are made at the Bi-Directional Couplers, located on the top of each MSSR’s I/O panel, using calibrated external test equipment. The Peak Power Analyzer will be configured to measure forward power and P1, P2, and P3 pulse width and spacing at the directional couplers’ forward ports. Then the Peak Power Analyzer will be configured to measure reverse power at the directional couplers’ reverse ports.

b. Discussion. This procedure performs measurements on an MSSR channel configured in the Selected On-Line condition. The measurements are then repeated on the opposite channel, configured in the Selected On-Line condition. The action of swapping channels between Selected and Standby requires Air Traffic coordination. This procedure does not require system downtime.

c. Test Equipment Required. RF Peak Power Analyzer Power Sensors and cables (2 ea) Calibrated 30-dB Attenuators (2 ea) Calibrated 10-db Attenuators (2 ea.)

Note: Due to the varied site specific commissioned power levels, the 30 dB attenuator may reduce the sampled waveform below a detectable level. If the waveform cannot be detected replace the 30 dB attenuator with a calibrated 20 dB attenuator.

d. Conditions. Ensure the MSSR System is operating fault free with all boxes green.


(1) Point of Control. Perform the required actions detailed in procedure 5-10 Point of

Control Configuration. (2) MSSR System Configuration for Transmitter Parameter Measurements

(a) This procedure is performed on the On-Line Selected MSSR channel with the site’s normal operational MIP selected.

(b) Ensure MSSR channel under test is the On-Line Selected channel.

Note: Before making the following MSSR channel changes, coordination with Air Traffic Control must be performed to obtain their permission for the channel changes and to inform them that data may be momentarily interrupted.

(3) Peak Power Analyzer Initialization and Preliminary Settings.

(a) Set up the Peak Power Analyzer for two-channel operation as follows:

1 Perform Initialization of Peak Power Analyzer

2 Perform Sensor Calibration for Peak Power Analyzer channels 1 and 2

3 Timebase 500ns

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4 Trig Delay 0 sec

5 Trigger Source CH1 INT

6 Trigger Level 30 dBm

7 Freq 1.03 GHz for both channels

8 CH1/CH2 On

Configure Channel 1 and Channel 2 as follows:

9 Vert Scale 10 dB/DIV

10 Vert Center 20 dBm

11 Averaging 16

12 dB Offset/Correction (value of external attenuator plus directional coupler port attenuation)

(b) Set up the Peak Power analyzer auto-measurement functions as follows:

1 Meas – Parameter Meas – Configure to display desired parameters 2 Define Pulse:

Distal 90% Mesial 50% Proximal 10%

(4) MSSR Forward Power and Pulse Width and Spacing Measurements.

Caution: Attaching the power sensor to a directional coupler forward power port without proper external attenuation can cause severe damage to the sensor head.

(a) Connect the peak power analyzer channel 1 sensor via 30 dB attenuator to the MSSR SUM (S) directional coupler forward port as shown in Figure 5-37 MSSR Forward Power/Pulse Characteristics Measurement Equipment Setup.

(b) Connect the peak power analyzer channel 2 sensor via 30 dB attenuator to the

MSSR CONTROL (Ω) directional coupler forward port as shown.

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30dB AttenPower Sensor

MSSRInterrogator

J27OUTPUT

S

S

Coupler

TO J52(Measures RVS PWR)

FW

D

RVS

Power Sensor

J28OUTPUT

Coupler

TO J53(Measures RVS PWR)

FW

D

RVS

W

30dB Atten

W

RF Changeover Unit

Figure 5-37 MSSR Forward Power/Pulse Width and Spacing Measurement Equipment Setup

(c) SUM channel P1 pulse should be displayed on peak power analyzer channel 1. CONTROL channel P2 should be displayed on channel 2. The TEXT function can be used to display all the measured parameters for both channels.

(d) Verify the SUM and CONTROL peak forward powers are within chapter 3

standards and tolerances. Record measured values.

1 If necessary, adjust TX Power for the commissioned SUM level.

2 Ensure both SUM and CONTROL are within tolerance.

Note: The TX Power adjustment on the front of the Transmitter Interface Assembly 807890/010 adjusts both SUM and CONTROL forward power levels.

(e) Verify P1 to P2 spacing is within chapter 3 standards and tolerances.

(f) Verify P1 pulse width and P2 pulse width are within chapter 3 standards and tolerances.

Note: If using Markers to measure pulse width, position the markers at the –3dB points (50%).

(g) Adjust the timebase to display P1 and P3 on channel 1. Change channel

averaging to 100. Verify P1 to P3 spacing for all site operational modes is within chapter 3 standards and tolerances.

Note: Measurements are required only for those modes configured in the site’s operational configuration.

(h) Adjust timebase and trigger delay to display P3 only. Verify P3 pulse width is within chapter 3 standards and tolerances.

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5-58. MSSR Receiver Synthetic Target Calibration and Verification – using MBTS.

a. Objective. This procedure will verify the processed Synthetic Target amplitude by viewing the values on the RADAR CERTIFICATION PARAMETERS screen. The procedure will then verify the Synthetic Target injected into each of the three receivers by injecting a –83 dBm test target using calibrated test equipment and visually comparing the System Synthetic Target to the test target.

b. Discussion.

(1) This procedure is performed on the Standby MSSR channel. Each MSSR, to be tested, must be configured to Standby and Maintenance.

(2) The Video and Timing card produces a synthetic target used for self-test purposes.

On the Selected channel, the Synthetic Target is injected in digital quantized video format into the Reply Decoder. On the Standby channel, the Synthetic Target data is routed to the Mode Generator. The Mode Generator converts the data to modulation pulses to modulate the 1090MHz Self-Test Oscillator (STO) in the Transmitter Interface Assembly. The RF synthetic target is routed to all three receiver circuits and is processed in the same manner as a real reply. It is used by the interrogator as an indication that the receivers are capable of detecting low amplitude signals.

(3) In this procedure, the Synthetic Target is adjusted to –83dBm, while viewing the Sum

Receiver Sensitivity level on the RADAR CERTIFICATION PARAMETERS screen. The procedure then uses the MBTS to verify that the STO Synthetic Target injected into the receiver circuits is within chapter 3 standards and tolerances ( –83 dBm ±2dB) on each of the three receivers. See Figure 5-41 MSSR Receiver Signal Video Processing for MSSR receiver signal flow.

Δ RXVideo & TimingRoutes Digital Video Signals

Reply DecoderCalculatesVP1 = SVAVP2 = SDR

using Digital Video Signals

Reply CorrelatorDP5 Offsets applied

Rx Level MonitorAlarm Level (-85 dBm)

ADC

Verify Synthetic Target Analog Video Amplitude Levels

STO and

MBTS

Reply Messages:SVA and SDR values

Displays Synthetic Target Amplitude equivalent to SVA

System monitors Synthetic Target at this point

Σ RXADC

Ω RXADC

SCDI/CMS

Monitor

Figure 5-41 MSSR Receiver Signal Video Processing

(4) There is no down-time required to perform this procedure, however, Air Traffic must be advised that beacon redundancy is no longer available. Coordination is required when placing each MSSR channel from Standby to Selected.

(5) This test event assumes that Air Traffic Control’s Radar Control Panel (RCP) has system control (normal configuration) and that coordination with Air Traffic is required for them to release control of the ASR-11 system to ATSS.

c. Test Equipment Required. Monopulse Beacon Test Set Oscilloscope Set of 3 phase-matched MBTS RF cables (calibrated for dB loss) 3 ea. RG-59 test cables

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d. Conditions. Ensure that the MSSR Systems are operating fault free with all boxes green.


(1) Point of Control and Initial Setup.

(a) Perform the required actions detailed in procedure 5-10 Point of Control

Configuration.

(b) Place the channel to be calibrated in Standby and Maintenance configuration from the SCDI in control.

(c) Place the A/B switch for the MSSR to be verified (Switch 19A1 for MSSR A,

Switch 19A2 for MSSR B) in the B position. Configure the channel to be verified in Maintenance Mode.

Note: Placing an A/B switch in the B position will cause a SCDI Communication Interface Alarm (! icon) on the associated SCDI.

(d) Logon to the CMS as Maintainer.

(e) From the Interrogator Menu for the channel to be verified, select

TRANSPARENT MODE.

(f) At the Transparent Mode command line prompt, type DDP5 to display the Reply Correlation parameter set. Verify that DP5 50 Sum Amplitude Offset, DP5 51 Difference Amplitude Offset, and DP5 52 Control Amplitude Offset are set to 0.0.

1 If any of the Amplitude Offset parameters is not set to 0, use the format DP5 m = 0 with m being the index number to set the offset value to 0.0.

2 If any changes are made, type WSP to save the changes to the Commissioned Set.

3 Exit Transparent Mode.

(g) Logoff the CMS terminal. Return the A/B switch to the A position.

(2) RADAR CERTIFICATION PARAMETERS Screen MSSR Rx Sensitivity Values Verification.

(a) View the RADAR CERTIFICATION PARAMETERS screen on the SCDI. System measurement of the Interrogator receiver synthetic target is only performed on the standby channel, therefore the RX Sensitivity values displayed on the RADAR CERTIFICATION PARAMETERS screen are only updated on the standby channel.

(b) Verify the MSSR Rx Sensitivity value displayed for the Sum (Σ) channel is

–83dBm ±1.0dB. If necessary, adjust the SENSITIVITY adjustment on the TX Interface module.

Note: Time should be allowed for the Interrogator to average the results as the reported values are smoothed and are only updated every 20 seconds. Up to 5 minutes may be required for all the values to stabilize after adjustments are made.

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(h) From the MBTS control panel, decrease the Sum RF Level control setting until approximately 50% of the test targets with the proper 3/A code are displayed. Do not count targets with an invalid 3/A.

(i) As the Sum RF Level approaches the sensitivity threshold, the number of proper

test targets will vary on a scan-by-scan basis. Find the lowest Sum RF Level where approximately 50% of the test targets are consistently displayed, and use this value in the following calculation.

Note: Wait 30 seconds for target processing to update.

(j) Calculate the DSS by subtracting the Sum Directional Coupler Forward Power

Port attenuation and the Sum RF cable attenuation from the Sum RF Level on the MBTS. Use the following example:

– 60.0 dBm MBTS Sum RF Level Setting – 20.4 dB Directional Coupler Forward Port attenuation – 2.1 dB Cable attenuation – 82.5 dBm Measured DSS

(k) Verify that the DSS value obtained is within the established standards and

tolerances listed in chapter 3 of this handbook. Record value.

(l) Set the MBTS Output to BIT.

(m) Close RDD PPI display.


(n) From the SCDI in control, configure the opposite MSSR channel to Online and

Selected.

(o) Repeat the DSS procedure, paragraph 5-59 steps e (1) and (2), for the opposite MSSR channel.

Note: Reconfigure the test equipment setup to trigger the MBTS from J14 on the channel under test and supply azimuth data to the MBTS from J2 on the channel under test. Set the MBTS APG input to the IAPG input from the channel under test.

(p) Return the system to operational configuration. Ensure STC is ON.

(3) Termination of Test. Perform procedure 5-11 Termination of Test to conclude this

procedure.

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5-60. MSSR Receiver Minimum Receiver Sensitivity Verification – using MBTS.

a. Objective. This procedure is used to measure minimum receiver sensitivity on each MSSR receiver channel.

b. Discussion.

(1) This procedure is performed on the Standby MSSR channel. Each MSSR, to be tested, must be configured to Standby. The action of configuring an MSSR channel from Selected to Standby must be coordinated with Air Traffic.

(2) In this procedure, a test target is injected from the Monopulse Beacon Test Set

(MBTS) into the receiver channel being measured. The amplitude of the test target will be decreased until the test target is just visible above the noise level. Each of the three receivers (Sum, Control, and Difference) uses identical log amps and has identical performance characteristics. The dynamic range of the receivers is -16dBm to -96dBm. The minimum discernible signal level is -90dBm minimum.

(3) There is no down-time required to perform this procedure, however, Air Traffic must be advised that beacon redundancy is no longer available, and that there will be coordination when placing of each MSSR to from Standby to Selected.

(4) This test event assumes that Air Traffic Control’s Radar Control Panel (RCP) has system control (normal configuration) and that coordination with Air Traffic is required for them to release control of the ASR-11 system to the Airway Transportation System Specialist.


d. Conditions. Ensure that the PSR and MSSR Systems are operating fault free with all

boxes green. e. Detailed Procedure.



Configuration.

(b) Place the channel to be verified in Standby configuration from the SCDI in control.

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(3) Termination of Test. Notify Air Traffic that the system has been returned to normal

configuration. 5-65. MSSR Receiver Synthetic Target Calibration and Verification – using signal generator.


b. Discussion.





Receiver Sensitivity level on the RADAR CERTIFICATION PARAMETERS screen. The procedure then uses a signal generator to verify that the STO Synthetic Target injected into the receiver circuits is within chapter 3 standards and tolerances ( –83 dBm ±2dB) on each of the three receivers. See Figure 5-51A MSSR Receiver Signal Video Processing for MSSR receiver signal flow.

Figure 5-51A MSSR Receiver Signal Video Processing


(5) This test event assumes that Air Traffic Control’s Radar Control Panel (RCP) has system control (normal configuration) and that coordination with Air Traffic is required for them to release control of the ASR-11 system to site technician.

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c. Test Equipment Required.

RF Signal Generator (Agilent E8257N, Anritsu 68369 A/NV, Keysite N5171B or equivalent) Oscilloscope RG-214 RF test cable (calibrated for dB loss) 20 dB Fixed Attenuator 3 ea. RG-59 test cables BNC T-connector




(a) Perform the required actions detailed in procedure 5-10 Point of Control Configuration.

(b) Place the channel to be calibrated in Standby and Maintenance configuration

from the ASR-11 SCDI in control.

(c) Place the A/B switch for the MSSR to be verified (Switch 19A1 for MSSR A, Switch 19A2 for MSSR B) in the B position. From the SCDI in control, configure the channel to be verified in Maintenance Mode.


(d) Logon to the CMS as Maintainer.

(e) From the Interrogator Menu for the channel to be verified, select TRANSPARENT MODE.

(f) At the Transparent Mode command line prompt, type DDP5 to display the Reply

Correlation parameter set. Verify that DP5 50 Sum Amplitude Offset, DP5 51 Difference Amplitude Offset, and DP5 52 Control Amplitude Offset are set to 0.0.

1 If any of the Amplitude Offset parameters is not set to 0, use the format DP5 m = 0 with m being the index number (50, 51, or 52) to set the offset value to 0.0.

2 If any changes are made, type WSP to save the changes to the Commissioned Set. Ensure changes are also reflected in the appropriate TMC file [see step e(5)].




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(c) Verify the MSSR Rx Sensitivity level for the Difference (Δ), and Control (Ω)

channels are within ±1.0dB of the Sum channel level (nominally –83dBm).

(3) Synthetic Target Verification.

(a) Connect test equipment as shown in Figure 5-51B MSSR Receiver Test Target Calibration Equipment Setup.

≈20 dB ≈20 dB ≈20 dB

Oscilloscope

Signal Generator

Video Monitor

Video Monitor

Video Monitor

∑RX

ΔRX

Ω RX

∑ Δ

Ω

J14 Display Trigger

MSSR Interrogator

1 2

RG-214 RF Test Cable

RF O/P TRIG

TRIG

1090 MHz

Directional CouplerForward Port

20 dB atten.

Figure 5-51B MSSR Receiver Test Target Calibration Equipment Setup

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(b) Configure signal generator as follows:

1 Pulse Width 2 µs 2 Delay 1.65 ms [120 nmi] or 810 µs [60 nmi] system

dependent 3 Frequency 1090 MHz 4 Trigger Source Connect to Interrogator J14 Display Trigger 5 RF Output level See note below

Note: Set the RF Level output so that the level injected into the Interrogator Sum channel will equal an amplitude of –81dBm. Include Sum Forward Power Coupler attenuation, 20dB fixed attenuator, and cable attenuation when calculating the RF signal level. Use the following example:

– 81.0 dBm Nominal Test Signal Amplitude + 20.4 dB Directional Coupler Forward Port attenuation + 20.0 dB 20 dB fixed attenuator + 2.1 dB Cable attenuation – 38.5 dBm Signal Generator RF Output Level

(c) Oscilloscope settings as follows:

1 Trigger External (J14 Display Trigger) 2 Chan 1 Vert 0.5V/Div 3 Timebase 200μs/Div 4 Cursors Horizontal

5 Chan 1 Termination 50 Ω

(d) Viewing the Standby MSSR Sum Video Monitor jack on oscilloscope channel 1,

locate the test pulse injected from signal generator at approximately 1650μs or 810μs (system dependent) from Display Trigger time. Use oscilloscope Time Delay function to expand reply signals as shown in Figure 5-51C Sum Video Monitor Jack Signal. The System Synthetic Target should appear once per scan just after the signal generator signal.

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Figure 5-51C Sum Video Monitor Jack Signal

1 Set one of the oscilloscope’s horizontal cursors to mark the –81dBm level.

2 Set the RF Level of the test pulse from the signal generator so that the level injected into the Interrogator Sum channel will equal an amplitude of –85dBm. Use the following example.

– 85.0 dBm Nominal Test Signal Amplitude + 20.4 dB Directional Coupler Forward Port attenuation + 20.0 dB 20 dB fixed attenuator + 2.1 dB Cable attenuation – 42.5 dBm Signal Generator RF Output Level Setting

3 Set the second horizontal cursor to mark the –85dBm level.

(e) Verify that the Sum channel Synthetic Target amplitude is within the two

horizontal cursors.

(f) Move the oscilloscope channel 1 cable from the Sum Video Monitor jack to the Difference Video Monitor jack. Verify that the Difference channel Synthetic Target amplitude is within the two horizontal cursors.

(g) Move the oscilloscope channel 1 cable from the Difference Video Monitor jack to

the Control Video Monitor jack. Verify that the Control channel Synthetic Target amplitude is within the two horizontal cursors.

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(h) Logoff the CMS terminal. Return the A/B switch to the A position. (i) From the SCDI in control, configure the channel to Online.


(j) From the SCDI in control, swap MSSR channels and repeat the Receiver

Synthetic Target Calibration procedure, paragraph 5-65 e (1) through (3), on the opposite channel.

Note: Trigger the test equipment from the channel under test.

(4) Return all equipment to operational configuration. (5) Edit the MSSR Channel’s TMC file If any changes were made to any Dynamic

Parameter, use the procedures in paragraph 5-70 to update the Transparent Mode Commands (*.TMC) file for the MSSR channel.


procedure.

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5-66. MSSR Receiver Minimum Receiver Sensitivity Verification – using signal generator


b. Discussion.


(2) In this procedure, an RF pulse is injected from a signal generator into the receiver

channel being measured. The amplitude of the test target will be decreased until the test target is just visible above the noise level. Each of the three receivers (Sum, Control, and Difference) uses identical log amps and has identical performance characteristics. The dynamic range of the receivers is -16dBm to -96dBm. The minimum discernible signal level is -90dBm minimum.


(4) This test event assumes that Air Traffic Control’s Radar Control Panel (RCP) has system control (normal configuration) and that coordination with Air Traffic is required for them to release control of the ASR-11 system to the system technicians.

c. Test Equipment Required. RF Signal Generator (Agilent E8257N, Anritsu 68369 A/NV, Keysite N5171B or equivalent) Oscilloscope RG-214 RF test cable (calibrated for dB loss) 20 dB Fixed Attenuator 3 ea. RG-59 test cables BNC T-connector





Configuration.

(b) Place the channel to be verified in Standby configuration from the SCDI in control.

(2) Minimum Receiver Sensitivity.

(a) Connect test equipment as shown in Figure 5-51D MSSR Receiver Sensitivity Equipment Setup.

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≈20 dB ≈20 dB ≈20 dB

Oscilloscope

Signal Generator

Video Monitor

Video Monitor

Video Monitor

∑RX

ΔRX

Ω RX

∑ Δ

Ω

J14 Display Trigger

MSSR Interrogator

1 2


RF O/P TRIG

TRIG

1090 MHz


20 dB atten.

Figure 5-51D MSSR Receiver Sensitivity Equipment Setup


1 Pulse Width 2 µs 2 Delay 10 µs 3 Frequency 1090 MHz 4 Trigger Source Connect to Interrogator J14 Display Trigger 5 Output level -40 dBm


1 Trigger External (J14 Display Trigger)

2 Chan 1 Vert 0.5V/Div 3 Timebase 4 μs/Div


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(d) While viewing Standby MSSR Sum Video Monitor jack on oscilloscope channel 1,

locate the test pulse injected from signal generator. Use the oscilloscope Timebase function to expand the signal, if desired. See Figure 5-51E MSSR Receiver Example of Normal Signal.

Figure 5-51E MSSR Receiver Example of Normal Signal

(e) Decrease the RF output level of the signal generator until it is just visible above the receiver noise. Refer to Figure 5-51F MSSR Receiver Example Minimum Sensitivity.

Figure 5-51F MSSR Receiver Example Minimum Sensitivity

(f) Calculate the Minimum Sensitivity value by subtracting the Sum Directional Coupler Forward Power Port attenuation, 20 dB fixed attenuator, and the RF test cable attenuation from the RF output level of the signal generator. Use the following example:

-50.0 dBm RF Sig Gen Level – 20 dB coupler atten – 20 dB fixed atten – 2 dB cable atten = -92 dBm

1 Verify that the Minimum Sensitivity value obtained is within the established standards and tolerances listed in chapter 3 of this handbook.

2 Record value.

(g) Move signal generator input to Difference Directional Coupler Forward Port. Move the oscilloscope channel 1 cable from the Sum Video Monitor jack to the Difference Video Monitor jack. If necessary, adjust signal generator RF output level so signal is visible.

(h) Decrease the RF output level of the signal generator until it is just visible above the

receiver noise.

(i) Calculate the Minimum Sensitivity value by subtracting the Difference Directional Coupler Forward Power Port attenuation, 20 dB fixed attenuator, and the RF test cable attenuation from the RF output level of the signal generator. Use the following example:


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1 Verify that the Minimum Sensitivity value obtained is within the established

standards and tolerances listed in chapter 3 of this handbook.

2 Record value.

(j) Move signal generator input to Control Directional Coupler Forward Port. Move the oscilloscope channel 1 cable from the Difference Video Monitor jack to the Control Video Monitor jack. If necessary, adjust signal generator RF Level so the signal is visible.

(k) Decrease the RF output level of the signal generator until it is just visible above

the receiver noise.

(l) Calculate the Minimum Sensitivity value by subtracting the Control Directional Coupler Forward Power Port attenuation, 20 db fixed attenuator, and the RF test cable attenuation from the RF output level of the signal generator. Use the following example:



2 Record value.


(m) From the SCDI in control, swap MSSR channels and configure the opposite

MSSR channel to Standby.

(n) Repeat the Minimum Receiver Sensitivity procedure, paragraph 5-66 steps e (1) and (2), for the opposite MSSR channel. Record value.


(o) Return all equipment to operational configuration.


procedure. 5-67. Reserved

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5-68. MSSR Configuration Set Backup.

a. Objective. This procedure will be used to create a backup file of the MSSR Configuration Set. This procedure should be done prior to changing any parameter. Only those parameters that are site specific can be changed by the site ATSS. All other Variable Site Parameters (VSPs) must be as specified in the site commissioning data. Any other changes must be authorized by AJW-147.

b. Discussion.

(1) This procedure requires no downtime to perform; however, coordination with air traffic

services must be performed to inform them that they will be experiencing some link failure alarms and possible momentary loss of MSSR data.

(2) This test event assumes that Air Traffic Control’s Radar Control Panel (RCP) has

system control (normal configuration) and that coordination with Air Traffic is required for them to release control of the ASR-11 system to the ATSS.

(3) This procedure will capture the current Configuration Set in a binary file. The Set file

can be uploaded to the CMS hard drive and/or a floppy disk. The Set file can be used to restore the MSSR channel to the saved configuration.

c. Test Equipment Required. 3 ½” Floppy Disk

d. Conditions. Ensure that the MSSR System is operating fault free.




(b) This procedure requires no downtime to perform; however, coordination with air

traffic services must be performed to inform them that they will be experiencing some link failure alarms and possible momentary loss of MSSR data.

(2) Configuration Set Backup.

Note: Before making A/B switch configuration changes coordination with Air Traffic Control must be performed to inform them that they will see Link Failure alarms and that MSSR data may be momentarily interrupted.

(a) Place one of the A/B switches for the MSSR CMS to the B position.


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(b) Relinquish control from the SCDI in control. Log on to the CMS as

CONTROLLER (password = PASSWORD). Log on to the SCDI. You will have dual control of the system, with the SCDI controlling the PSR and the CMS controlling the MSSR.

(c) At the CMS, select CONFIGURATION SETS from the Interrogator menu of the standby channel. Select UPLOAD SET.

(d) At the Configuration Set dialogue box, name the SET file as follows: Xmmddyy.SET where X = channel, mm = month, dd = day, and yy= year. When you select OK or Enter, a copy of the current configuration set will be uploaded to the file. It will reside in the C:\CMS\SET directory on the CMS hard drive. When the upload is complete, the message line will display the following message in blue type: “Configuration Set Transfer Complete”.

(e) To save a copy of the configuration set to a floppy disk, put a floppy disk in the CMS floppy drive. Select CONFIGURATION SETS from the Interrogator menu. Select UPLOAD SET. At the Configuration Set dialogue box, name the SET file as follows: A:\Ammddyy.SET where A:\ sets the path to the floppy drive. When you select OK or Enter, a copy of the current configuration set will be uploaded to a file on the disk. While the disk is being written to, the green LED on the drive will be lit. When the file is completed the LED will extinguish and the message line will display the message “Configuration Set Transfer Complete”.

Note: Before making the following MSSR channel changes, coordination with Air Traffic Control must be performed to obtain their permission for the channel changes and to inform them that data will be momentarily interrupted.

(f) From the CMS, swap MSSR channels and repeat the procedure, paragraph 5-

68 step e (2), on the opposite channel. (g) Log off as CMS CONTROLLER. The word CONTROL should appear on the

MSSR boxes on the SCDI.

(h) Restore MSSR CMS A/B switch to the A position.

(i) Refer to paragraph 5-39 File Transfer for instructions on transferring a copy of the files to ASR-11 Second Level Engineering Group (AJW-1471).

(3) Termination of Test. Notify Air Traffic that the system has been returned to normal configuration. 5-69. Reserved.

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Figure 5-66 P6 1st Sync Phase Reversal and P5 Position

(5) Forward Power Measurement

(a) Change Peak Power Analyzer settings as follows:

1 Trigger Source 1 INT


3 Timebase 5 µs

4 Trigger Delay as required to display first SUM and CONTROL pulses in pulse train

5 Averaging 16

(b) Using the TEXT function on the peak power analyzer, verify the SUM (Channel

1) peak forward power is within chapter 3 standards and tolerances. Record measured value. 1 As necessary, adjust SUM variable attenuator on the Attenuator Unit for the

commissioned SUM level. (c) Change the Peak Power Analyzer settings as follows:


(d) Using the TEXT function on the peak power analyzer, verify the CONTROL (Channel 2) peak forward power is within chapter 3 standards and tolerances. Record measured value.

1 As necessary, adjust CONTROL variable attenuator for the commissioned

CONTROL level.

(e) Disconnect power sensors from directional coupler forward ports and remove 30 dB attenuators.

1st SYNC PHASE REVERSAL

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(6) Reverse Power Measurement and VSWR.

(a) Connect the peak power analyzer channel 1 sensor via the 10 dB attenuator to the SUM (S) directional coupler reverse port.

(b) Connect the peak power analyzer power channel 2 sensor via the 10 dB

attenuator to the CONTROL (Ω) directional coupler reverse port. (c) Change the Peak Power Analyzer settings as follows:

1 Timebase as required to display pulses 2 Trigger Source 1 INT


4 Trig Delay as required to display pulses

Set up each channel as follows:

1 Vert Center 5 dBm

2 Averaging 16

3 dB Offset/Correction (value of external attenuator plus directional

coupler port attenuation)

(d) Using the TEXT function of the peak power analyzer, note the SUM (Channel 1) peak power measurement.

(e) Change the Peak Power Analyzer setting as follows:


(f) Using the TEXT function of the peak power analyzer, note the CONTROL (Channel 2) peak power measurement.

(g) Use the SUM forward power value recorded in paragraph 5-92 step (5)(b) and

reverse power value measured in 5-92 step (6)(d) to calculate the SUM return loss. Use the CONTROL forward power value recorded in 5-92 step (5)(d) and the reverse power value measured in 5-92 step (6)(f) to calculate CONTROL return loss.

1 Pi – Pr = Return Loss (Pi = Forward Power and Pr = Reverse Power).

2 Using the calculated return loss and Table 5-23 VSWR Conversion Table, verify VSWR is within chapter 3 standards and tolerances.

3 Record VSWR values.

(h) Coordinate with air traffic to swap channels, making the opposite MSSR channel the Selected On-Line channel. Repeat forward and reverse output power and pulse characteristics measurements, paragraph 5-92 steps e (2) through (6), on the opposite MSSR channel.

(6) Termination of Test. Perform procedure 5-108 Termination of Test to place the

system back to its original configuration.

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5-95. DMS MSSR Receiver Synthetic Target Calibration and Verification – using MBTS.


b. Discussion.





Receiver Sensitivity level on the RADAR CERTIFICATION PARAMETERS screen. The procedure then uses the MBTS to verify that the STO Synthetic Target injected into the receiver circuits is within chapter 3 standards and tolerances ( –83 dBm ±2dB) on each of the three receivers. See Figure 5-69 MSSR Receiver Signal Video Processing for MSSR receiver signal flow.

Δ RXVideo & TimingRoutes Digital Video Signals

Reply DecoderCalculatesVP1 = SVAVP2 = SDR

using Digital Video Signals

Reply CorrelatorDP5 Offsets applied

Rx Level MonitorAlarm Level (-85 dBm)

ADC

Verify Synthetic Target Analog Video Amplitude Levels

STO and

MBTS

Reply Messages:SVA and SDR values

Displays Synthetic Target Amplitude equivalent to SVA

System monitors Synthetic Target at this point

Σ RXADC

Ω RXADC

SCDI/CMS

Monitor



(5) This test event assumes that Air Traffic Control’s Radar Control Panel (RCP) has system control (normal configuration) and that coordination with Air Traffic is required for them to release control of the DASR system to site technician.


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Configuration.

(b) Place the channel to be calibrated in Standby and Maintenance configuration from the DASR SCDI in control.

(c) Logon to the CMS as Maintainer.

(d) From the Interrogator Menu for the channel to be verified, select

TRANSPARENT MODE.

(e) At the Transparent Mode command line prompt, type DDP5 to display the Reply Correlation parameter set. Verify that DP5 50 Sum Amplitude Offset, DP5 51 Difference Amplitude Offset, and DP5 52 Control Amplitude Offset are set to 0.0.

1 If any of the Amplitude Offset parameters is not set to 0, use the format DP5 m = 0 with m being the index number to set the offset value to 0.0.

2 If any changes are made, type WSP to save the changes to the Commissioned Set.









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5-97. DMS MSSR Receiver Minimum Receiver Sensitivity Verification – using MBTS


b. Discussion.


(2) In this procedure, a test target is injected from the Monopulse Beacon Test Set

(MBTS) into the receiver channel being measured. The amplitude of the test target will be decreased until the test target is just visible above the noise level. Each of the three receivers (Sum, Control, and Difference) uses identical log amps and has identical performance characteristics. The dynamic range of the receivers is -16dBm to -96dBm. The minimum discernible signal level is -90dBm minimum.


(4) This test event assumes that Air Traffic Control’s Radar Control Panel (RCP) has system control (normal configuration) and that coordination with Air Traffic is required for them to release control of the DASR system to the system technicians.


d. Conditions. Ensure that the DASR and MSSR Systems are operating fault free with all

boxes green.




(b) Place the channel to be verified in Standby configuration from the SCDI in

control.

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(a) Connect test equipment as shown in Figure 5-74 MSSR Receiver Sensitivity

Equipment Setup.

Σ Δ Ω

Σ Δ ΩRX RXRX

20dB 20dB20dB

Video Monitor

Video Monitor

Video Monitor

MSSR Interrogator

TRIG1 2

MBTS

Oscilloscope

Back Panel Front Panel

Σ Δ ΩJ1 J2 J3 J16

Trig Out

J15Ext Trig

J14 Display Trig

Directional Coupler Forward Port

Display TriggerDirectional Coupler

Forward Port

J9

J2 Azimuth Data Out

Figure 5-74 MSSR Receiver Sensitivity Equipment Setup

(b) MBTS settings as follows:

1 Mode Constant Range Ring 2 Target Range 125 nmi 3 APG Input A[B] IACP 4 Target Type ATCRBS 5 Trigger Source External 6 Sum/Omni Ratio 0

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(f) Click on the MIP Selection box and enter the MIP number for the non-Mode S interlace pattern, making it the transmit MIP on the Standby channel.

(g) Connect a coaxial cable from the oscilloscope’s vertical input to J12 MODE

IDENTS on the MSSR I/O panel of the Standby MSSR Channel.

(h) Setup the digital oscilloscope as follows (the settings of oscilloscope models will differ. These are nominal settings). Set the oscilloscope to view at least two Mode Idents periods.

1 Timebase: 1 msec/div

2 CH1 Amplitude: 2V/div

3 TRIGGER ch1

(i) To use the Auto-Measurement mode:

1 MEASURE Frequency

(j) To use the cursor mode:

1 CURSOR Vertical

2 Position the left vertical cursor on the Mode Idents set to the left of the

center graticule. Set the right cursor on the next sequence of Mode Idents. 3 Use the time delta between the cursors to determine the frequency.

Frequency is the reciprocal of time (f=1/t).

(k) Measure the Interrogator’s PRF and verify that the PRF is within the tolerances established in chapter 3 of this handbook.

(l) From the MIP CONTROL screen, return the MIP to the site commissioned MIP.

(m) Log off as Maintainer. From the SCDI configure the MSSR channel in the On-Line mode.

Note: Before making MSSR channel changes, coordination with Air Traffic Control must be performed to obtain their permission for the channel changes and to inform them that data may be momentarily interrupted.

(n) Coordinate with air traffic to swap channels, making the opposite MSSR channel

the Standby Maintenance channel. Repeat PRF verification, paragraph 5-91 step e (2), on the opposite MSSR channel.

(o) Restore the MSSR to operational configuration. (3) Termination of Test. Notify Air Traffic that the system has been returned to normal

configuration.

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5-102. DMS MSSR Configuration Set Backup.

a. Objective. This procedure will be used to create a backup file of the DMS MSSR

Configuration Set. This procedure should be done prior to changing any parameter. Only those parameters that are site specific can be changed by the site technician. All other Variable Site Parameters (VSPs) must be as specified in the site commissioning data. Any other changes must be authorized by AJW-147.

b. Discussion.

(1) This procedure requires no downtime to perform, however, coordination with air traffic

services must be performed to inform them that they will be experiencing some link failure alarms and possible momentary loss of MSSR data.

(2) This test event assumes that Air Traffic Control’s Radar Control Panel (RCP) has

system control (normal configuration) and that coordination with Air Traffic is required for them to release control of the DASR system to the site technician.

(3) This procedure will capture the current Configuration Set in a binary file. The Set file

can be uploaded to the CMS hard drive and/or a floppy disk. The Set file can be used to restore the MSSR channel to the saved configuration.

c. Test Equipment Required. 3 ½” Floppy Disk.

d. Conditions. Ensure that the DMS MSSR System is operating fault free.




Configuration.

(b) This procedure requires no downtime to perform; however, coordination with air traffic services must be performed to inform them that they will be experiencing some link failure alarms and possible momentary loss of MSSR data.

(2) Configuration Set Backup

(a) Relinquish control from the SCDI in control. Log on to the CMS as CONTROLLER. Log back on to the SCDI. This will allow dual control of the system, with the DASR SCDI controlling the PSR and the CMS controlling the DMS MSSR.

(b) At the CMS, select CONFIGURATION SETS from the Interrogator menu of the standby channel. Select UPLOAD SET.

(c) At the Configuration Set dialogue box, name the SET file as follows:

Xmmddyy.SET where X = channel, mm = month, dd = day, and yy= year. When you select OK or ENTER, a copy of the current configuration set will be uploaded to the file. It will reside in the C:\CMS\SET directory on the CMS hard drive. When the upload is complete, the message line will display the following message in blue type: “Configuration Set Transfer Complete”.

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(d) To save a copy of the configuration set to a floppy disk, put a floppy disk in the

CMS floppy drive. Select CONFIGURATION SETS from the Interrogator menu. Select UPLOAD SET. At the Configuration Set dialogue box, name the SET file as follows: A:\Ammddyy.SET where A:\ sets the path to the floppy drive. When you select OK or Enter, a copy of the current configuration set will be uploaded to a file on the disk. While the disk is being written to, the LED on the drive will be lit. When the file is completed the LED will extinguish and the message line will display the message “Configuration Set Transfer Complete”.

Note: Before making the following MSSR channel changes, coordination with Air Traffic Control must be performed to obtain their permission for the channel changes and to inform them that data will be momentarily interrupted.

(e) From the CMS, swap MSSR channels and repeat the procedure, paragraph 5-

102 step e (2), on the opposite channel.

(f) Log off as CMS CONTROLLER. The word CONTROL should appear on the MSSR boxes on the SCDI.

(g) Refer to paragraph 5-39 File Transfer for instructions on transferring a copy of the files to ASR-11 Second Level Engineering Group (AJW-1471).

(3) Termination of Test. Notify Air Traffic that the system has been returned to normal configuration. 5-103. Reserved.

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5-104. Edit MSSR Transparent Mode Command (TMC) File.

a. Objective. This procedure uses a text editor to make changes to a Transparent Mode Command (TMC) file. Anytime a Dynamic Parameter, or other VSP, is changed in the DMS MSSR system, a corresponding change should be made to the TMC file.

b. Discussion. The TMC files contain a sequence of Transparent Mode commands that are

used to restore the Interrogator’s Plot Extractor Processor flash memory in the event of failure or replacement. The TMC files are stored on the Local CMS Computer hard drive. The files reside in the C:\CMS\TMC directory. There are channel specific files for channels A and B and common files with commands common to both channels. Anytime a Dynamic Parameter, or other VSP, is changed in the system, a corresponding change should be made to the TMC file. System control or communication with the MSSR is not required to edit TMC files.

c. Test Equipment Required:

3 ½” Floppy Disk.

d. Conditions. Operational CMS Terminal.

e. Detailed Procedures.


(a) System control or communication with the MSSR is not required to edit TMC files.

(b) The procedure is done using the local CMS terminal.

(2) Edit the MSSR Channel’s TMC file

(a) After changing a VSP, perform the following steps to update the Transparent

Mode Commands (*.TMC) file for the MSSR channel.

(b) From the Programs menu, select Notepad. Click on “File” in the Notepad menu bar and select “Open”. Select the appropriate TMC file located in C:\CMS\TMC.

(c) Navigate to the line that requires updating (i.e., “DP16 4 = n”).

(d) Enter the new value.

(e) Click on “File” at the menu bar, then click on “Save”. Save one copy to the

C:\CMS\TMC location and one copy to a floppy disk.

(f) Repeat procedure, paragraph 5-104 steps e(2)(a) through e(2)(e), as required for all appropriate TMC files.

(g) Restart the CMS application program.

(h) Refer to paragraph 5-39 for instructions on transferring a copy of the files to

ASR-11 Second Level Engineering Group (AJW-1471).

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Figure 5-83 Typical Pulse Spectrum (5) Termination of Test. Perform procedure 5-108 Termination of Test to place the ASR-

11 back to its original configuration.

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5-110. DMS MSSR Receiver Synthetic Target Calibration and Verification – using signal generator.


b. Discussion.





Receiver Sensitivity level on the RADAR CERTIFICATION PARAMETERS screen. The procedure then uses a signal generator to verify that the STO Synthetic Target injected into the receiver circuits is within chapter 3 standards and tolerances ( –83 dBm ±2dB) on each of the three receivers. See Figure 5-84 MSSR Receiver Signal Video Processing for MSSR receiver signal flow.


(4) There is no down-time required to perform this procedure, however, Air Traffic must

be advised that beacon redundancy is no longer available. Coordination is required when placing each MSSR channel from Standby to Selected.

(5) This test event assumes that Air Traffic Control’s Radar Control Panel (RCP) has system control (normal configuration) and that coordination with Air Traffic is required for them to release control of the DASR system to site technician.

c. Test Equipment Required. RF Signal Generator (Agilent E8257N, Anritsu 68369 A/NV, Keysite N5171B or equivalent) Oscilloscope RG-214 RF test cable (calibrated for dB loss)

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20 dB Fixed Attenuator 3 ea. RG-59 test cables BNC T-connector





(b) Place the channel to be calibrated in Standby and Maintenance configuration

from the DASR SCDI in control.

(c) Logon to the CMS as Maintainer.

(d) From the Interrogator Menu for the channel to be verified, select TRANSPARENT MODE.

(e) At the Transparent Mode command line prompt, type DDP5 to display the Reply

Correlation parameter set. Verify that DP5 50 Sum Amplitude Offset, DP5 51 Difference Amplitude Offset, and DP5 52 Control Amplitude Offset are set to 0.0.

1 If any of the Amplitude Offset parameters is not set to 0, use the format DP5 m = 0 with m being the index number (50, 51, or 52) to set the offset value to 0.0.

2 If any changes are made, type WSP to save the changes to the Commissioned Set. Ensure changes are also reflected in the appropriate TMC file [see step e(5)].









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(3) Synthetic Target Verification.

(a) Connect test equipment as shown in Figure 5-85 MSSR Receiver Test Target

Calibration Equipment Setup.

≈20 dB ≈20 dB ≈20 dB

Oscilloscope

Signal Generator

Video Monitor

Video Monitor

Video Monitor

∑RX

ΔRX

Ω RX

∑ Δ

Ω

J14 Display Trigger

MSSR Interrogator

1 2


RF O/P TRIG

TRIG

1090 MHz


20 dB atten.

Figure 5-85 MSSR Receiver Test Target Calibration Equipment Setup


1 Pulse Width 2 µs 2 Delay 1.65 ms [120 nmi] or 810 µs [60 nmi] system

dependent 3 Frequency 1090 MHz 4 Trigger Source Connect to Interrogator J14 Display Trigger 5 RF Output level See note below

*

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Note: Set the RF Level output so that the level injected into the Interrogator Sum channel will equal an amplitude of –81dBm. Include Sum Forward Power Coupler attenuation, 20dB fixed attenuator, and cable attenuation when calculating the RF signal level. Use the following example:

– 81.0 dBm Nominal Test Signal Amplitude + 20.4 dB Directional Coupler Forward Port attenuation + 20.0 dB 20 dB fixed attenuator + 2.1 dB Cable attenuation – 38.5 dBm Signal Generator RF Output Level


1 Trigger External (J14 Display Trigger) 2 Chan 1 Vert 0.5V/Div 3 Timebase 200μs/Div 4 Cursors Horizontal


(d) Viewing the Standby MSSR Sum Video Monitor jack on oscilloscope channel 1,

locate the test pulse injected from signal generator at approximately 1650μs or 810μs (system dependent) from Display Trigger time. Use oscilloscope Time Delay function to expand reply signals as shown in Figure 5-86 Sum Video Monitor Jack Signal. The System Synthetic Target should appear once per scan just after the signal generator signal.

Figure 5-86 Sum Video Monitor Jack Signal

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1 Set one of the oscilloscope’s horizontal cursors to mark the –81dBm level.

2 Set the RF Level of the test pulse from the signal generator so that the level

injected into the Interrogator Sum channel will equal an amplitude of –85dBm. Use the following example.

– 85.0 dBm Nominal Test Signal Amplitude + 20.4 dB Directional Coupler Forward Port attenuation + 20.0 dB 20 dB fixed attenuator + 2.1 dB Cable attenuation – 42.5 dBm Signal Generator RF Output Level Setting

3 Set the second horizontal cursor to mark the –85dBm level.

(e) Verify that the Sum channel Synthetic Target amplitude is within the two

horizontal cursors.

(f) Move the oscilloscope channel 1 cable from the Sum Video Monitor jack to the Difference Video Monitor jack. Verify that the Difference channel Synthetic Target amplitude is within the two horizontal cursors.

(g) Move the oscilloscope channel 1 cable from the Difference Video Monitor jack to

the Control Video Monitor jack. Verify that the Control channel Synthetic Target amplitude is within the two horizontal cursors.

(h) Logoff the CMS terminal.

(i) From the SCDI in control, configure the channel to Online.


(j) From the SCDI in control, swap MSSR channels and repeat the Receiver

Synthetic Target Calibration procedure, paragraph 5-110 e (1) through (3), on the opposite channel.

Note: Trigger the test equipment from the channel under test. (4) Return all equipment to operational configuration. (5) Edit the MSSR Channel’s TMC file If any changes were made to any Dynamic

Parameter, use the procedures in paragraph 5-104 to update the Transparent Mode Commands (*.TMC) file for the MSSR channel.


procedure.

*

*

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5-111. DMS MSSR Receiver Minimum Receiver Sensitivity Verification – using signal generator


b. Discussion.


(2) In this procedure, an RF pulse is injected from a signal generator into the receiver

channel being measured. The amplitude of the test target will be decreased until the test target is just visible above the noise level. Each of the three receivers (Sum, Control, and Difference) uses identical log amps and has identical performance characteristics. The dynamic range of the receivers is -16dBm to -96dBm. The minimum discernible signal level is -90dBm minimum.


(4) This test event assumes that Air Traffic Control’s Radar Control Panel (RCP) has system control (normal configuration) and that coordination with Air Traffic is required for them to release control of the DASR system to the system technicians.

c. Test Equipment Required. RF Signal Generator (Agilent E8257N, Anritsu 68369 A/NV, Keysite N5171B or equivalent) Oscilloscope RG-214 RF test cable (calibrated for dB loss) 20 dB Fixed Attenuator 3 ea. RG-59 test cables BNC T-connector

d. Conditions. Ensure that the DASR and MSSR Systems are operating fault free with all

boxes green.




(b) Place the channel to be verified in Standby configuration from the SCDI in

control.


(a) Connect test equipment as shown in Figure 5-87 MSSR Receiver Sensitivity Equipment Setup.

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≈20 dB ≈20 dB ≈20 dB

Oscilloscope

Signal Generator

Video Monitor

Video Monitor

Video Monitor

∑RX

ΔRX

Ω RX

∑ Δ

Ω

J14 Display Trigger

MSSR Interrogator

1 2


RF O/P TRIG

TRIG

1090 MHz


20 dB atten.

Figure 5-87 MSSR Receiver Sensitivity Equipment Setup


1 Pulse Width 2 µs 2 Delay 10 µs 3 Frequency 1090 MHz 4 Trigger Source Connect to Interrogator J14 Display Trigger 5 Output level -40 dBm


1 Trigger External (J14 Display Trigger)

2 Chan 1 Vert 0.5V/Div 3 Timebase 4 μs/Div


*

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(d) While viewing Standby MSSR Sum Video Monitor jack on oscilloscope channel

1, locate the test pulse injected from signal generator. Use the oscilloscope Timebase function to expand the signal, if desired. See Figure 5-88 MSSR Receiver Example of Normal Signal.

Figure 5-88 MSSR Receiver Example of Normal Signal

(e) Decrease the RF output level of the signal generator until it is just visible above the receiver noise. Refer to Figure 5-89 MSSR Receiver Example Minimum Sensitivity.

Figure 5-89 MSSR Receiver Example Minimum Sensitivity

(f) Calculate the Minimum Sensitivity value by subtracting the Sum Directional

Coupler Forward Power Port attenuation, 20 dB fixed attenuator, and the RF test cable attenuation from the RF output level of the signal generator. Use the following example: -50.0 dBm RF Sig Gen Level – 20 dB coupler atten – 20 dB fixed atten – 2 dB cable atten = -92 dBm


2 Record value.

(g) Move signal generator input to Difference Directional Coupler Forward Port. Move the oscilloscope channel 1 cable from the Sum Video Monitor jack to the Difference Video Monitor jack. If necessary, adjust signal generator RF output level so signal is visible.

(h) Decrease the RF output level of the signal generator until it is just visible above

the receiver noise. (i) Calculate the Minimum Sensitivity value by subtracting the Difference

Directional Coupler Forward Power Port attenuation, 20 dB fixed attenuator, and the RF test cable attenuation from the RF output level of the signal generator. Use the following example: -50.0 dBm RF Sig Gen Level – 20 dB coupler atten – 20 dB fixed atten – 2 dB cable atten = -92 dBm

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1 Verify that the Minimum Sensitivity value obtained is within the established

standards and tolerances listed in chapter 3 of this handbook.

2 Record value.

(j) Move signal generator input to Control Directional Coupler Forward Port. Move the oscilloscope channel 1 cable from the Difference Video Monitor jack to the Control Video Monitor jack. If necessary, adjust signal generator RF Level so the signal is visible.

(k) Decrease the RF output level of the signal generator until it is just visible above

the receiver noise.

(l) Calculate the Minimum Sensitivity value by subtracting the Control Directional Coupler Forward Power Port attenuation, 20 db fixed attenuator, and the RF test cable attenuation from the RF output level of the signal generator. Use the following example: -50.0 dBm RF Sig Gen Level – 20 dB coupler atten – 20 dB fixed atten – 2 dB cable atten = -92 dBm


2 Record value.


(m) From the SCDI in control, configure this channel to Online. Swap MSSR

channels and configure the opposite MSSR channel to Standby.

(n) Repeat the Minimum Receiver Sensitivity procedure, paragraph 5-111 steps e (1) and (2), for the opposite MSSR channel. Record value.


(3) Return all equipment to operational configuration. (4) Termination of Test. Perform procedure 5-108 Termination of Test to conclude this

procedure.

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07/19/2016 JO 6310.30B CHG 1 Appendix A

A-3

Table A-1. Airport Surveillance Radar (ASR-11) System

Advertised Service Certification Parameter Reference Paragraph

Target presentation capability Normal operating conditions. None (Go/No Go)

Connectivity capability Alarm-free data transmission for OMT and Local Area Network.

TI 6310.57 [TI 6310.63] PSR Equipment Manual, Section 4. (Go/No Go)

Review log book for specific messages

TI 6310.57 [TI 6310.63] PSR Equipment Manual, Section 4. (Go/No Go)

PSR Subsystem Coverage Transmitter output power. 3-2

Receiver Sensitivity 3-20

MSSR/DMS MSSR Subsystem Coverage.

Interrogator power output 3-51 (MSSR)

3-141 (DMS MSSR)

Receiver sensitivity 3-61 (MSSR)

3-161 (DMS MSSR)

Certification Based on Events: Events are defined in Order 6000.15.

Examples of Allowable Exceptions: Individual subsystems or subsystem channels.

Person Responsible for Certification: Airway Transportation System Specialist (ATSS) with certification authority.

Certification Entries in the ASR Maintenance Log:

Without Exception: ASR-11 certified.

With Exception: ASR-11 certified except (subsystem designation) subsystem. ASR-11 certified except (subsystem designation) Subsystem channel (channel designation).

Removing Exception: ASR-11 (subsystem designation) Subsystem certified. ASR-11 (subsystem designation) Subsystem channel (channel designation) certified.

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07/20/2015 JO 6310.30B Appendix A

A-4
