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CGSIC ISC Asia-Pacific Meeting
Melbourne, Australia
10-11 February 2003
Overview
GPS System Information, Notification, and Reporting
• Coast Guard Navigation Center
• Federal Aviation Administration
Civil GPS Service Interface Committee
BackgroundBackground
Joint GPS User Support ServiceJoint GPS User Support Service
USCGUSCGNISNIS
FAAFAANOCCNOCC
USSPCUSSPCGSCGSC
Established in DOT/DoDEstablished in DOT/DoDMOA, Annex 3 MOA, Annex 3
Detailed MOA’s betweenDetailed MOA’s betweeneach organization each organization
The Core The Core
NIS Information
• GPS System design information– SPS Performance Standard– Interface Control Document (ICD-200)
• Operational Information– NANUs / GPS Status
• Static• Listserver distribution
– NIS Mirror Site (http://www.nis-mirror.com/)
• Modernization– Latest updates, L5 & L2 signal specification
NIS Information
• Radionavigation Policy– Federal Radionavigation Plan– Presidential Decision Directives
• US Nationwide Differential GPS System– Specifications– High Accuracy DGPS
• U.S. Loran-C
GPS General Information
GPS Status Reports
GPS Service Interruptions
GPS Almanac Information
Precise Ephemeris Info
Subscribe to Listserver Messages
Selective Availability
GPS Modernization
Report a GPS Problem
Frequently Asked Questions
Augmentation Systems
Reference Information
GPS General Information
GPS Status Reports
GPS Service Interruptions
GPS Almanac Information
Precise Ephemeris Info
Subscribe to Listserver Messages
Selective Availability
GPS Modernization
Report a GPS Problem
Frequently Asked Questions
Augmentation Systems
Reference Information
GPS Page Choices
Subscribe to the GPS Status Message and/or the NANU List server
Latest PDOP Chart (displays overall Dilution of Precision Values)
Status
Latest GPS Status Message
GPS Status Message Archives
NANUs
Active NANUs
NANU Abbreviations and Descriptions
NANU Archives (1990-2001)
Search the current year by NANU Number
Search a previous year by NANU Number
General Information
Forecast Outages
FCSTDV FCSTMX
FCSTEXTD FCSTSUMM
FCSTCANC FCSTRESCD
Unscheduled Outages
UNUSUFN UNUSABLE
UNUNOREF
Other
USABINIT LEAPSEC
GENERAL
NANU Abbreviations
Outage Reporting
• Disruption to GPS service should be reported to:– USCG NAVCEN– http://www.navcen.uscg.gov– On-line form
• An attempt will be made to identify the problem
• Report to user
GPS General Information
GPS Status Reports
GPS Service Interruptions
GPS Almanac Information
Precise Ephemeris Info
Subscribe to Listserver Messages
Selective Availability
GPS Modernization
Report a GPS Problem
Frequently Asked Questions
Augmentation Systems
Reference Information
GPS Page Choices
Outage Reporting
1. What indicated there was a problem? 2. How many Satellites were being tracked? 3. What SVs were being track?4. Elevation of the receiver antenna?5. Duration and number (approximate) of known occurrences? 6. Did any operator (you) action help? 7. Location of problem? *8. Closest geographic region*9. Type of equipment? (receiver model, antenna type, etc...)10. Type of installation? (boat, car, handheld, plane)11. Other probable causes? *12. What was the receiver being used for at time of occurrence? 13. Contact Information
Aviation Information
GPS Implementation/ WAAS/ LAAS http://gps.faa.gov/
GPS NOTAMS FAA NOCC International NOTAMs
Useful Links
• USCG Navigation Center– http://www.navcen.uscg.gov
• Interagency GPS Executive Board Executive Secretariat– http://www.igeb.gov
• FAA- WAAS, LAAS– http://www.gps.faa.gov
Navigation Information Service• http://www.navcen.uscg.gov• http://www.nis-mirror.com (mirror site)• E-mail: [email protected]• Phone: +1 703 313 5900• Fax: +1 703 313 5920
Civil GPS Service Interface Committee• E-mail: [email protected]
![[12] WAAS-LAAS-CGSIC-07](https://img.pdfslide.us/doc/110x75/577d2ab61a28ab4e1ea9e232/12-waas-laas-cgsic-07.jpg)
