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USCG Navigation Center &Nationwide DGPS Project Status
Presenter’s Name June 17, 2003
April 20, 2023
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NAVCEN Mission Statement
The Coast Guard Navigation Center promotes safe, secure, and efficient transportation on United States’ waterways by providing:
•Operational and technical support for electronic navigation systems
•Quality positioning, navigation and timing signals Maritime DGPS (USCG), NDGPS (DOT), LORAN
•Accurate and timely waterways information services.
Presenter’s Name June 17, 2003
April 20, 2023
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Maritime Information Operations Center24/7 Operation of the following:
•Web based Information Services.
•Navigation Information Service.
•GPS Civil Interface.
•DGPS Monitor & Control.
•LORAN Monitor & Control.
•Inland River Vessel Movement Center.
•Nationwide Automatic Information System (NAIS)
•Long Range Identification Tracking (LRIT)
Presenter’s Name June 17, 2003
April 20, 2023
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Command Overview
Operations Division
CDR Randall Navarro
NIS Watch, DGPS/NDGPS Watch, LORAN Watch, IRVMC
Watch, NAIS Watch, LRIT Watch, DIMEO, INFO Services
Systems Management Division
Mr. Gene Schlechte
System Support for GPS, DGPS, NDGPS, LORAN, IRVMC, NAIS, LRIT, and Waterways Systems
Analysis
Strategic Planning & Support Division
LT Luke Byrd
Administrative Assistance, HR, QA, Planning, Financial
Management, Inventory Control, Supply and Procurement
Executive Officer
CDR Mark Sanders
Command Master Chief
CMC Neil Orthober
Administrative Assistant
Ms. Denise Bernard-Moore
Commanding Officer
CAPT Edwin Thiedeman
Command Duty
Officer
NAVCEN Liaisonat the
GPSOC Schriever, AFB (OSC Billet)
MIOCAlexandria, VA
NAVDETPetaluma, CA
COCO
Presenter’s Name June 17, 2003
Worldwide DGPS Coverage
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Presenter’s Name June 17, 2003
April 20, 2023
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April 20, 2023
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DOT NDGPS Project StatusReport
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April 20, 2023
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Prepping a Site
Finding candidate property
Conduct a site assessment
Completion of an environmental site assessment Finding of No Significant Impact (FONSI)
Completion of a real property survey
Completion of the installation design plan
Presenter’s Name June 17, 2003
April 20, 2023
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Nationwide Single Coverage Goal
•Bliss, ID (New Build)
•Tucson, AZ (New Build)
•Carlsbad, NM (New Build)
•Sage Junction, ID (New Build)
•Marshall, TX (New Build)
•Big Lake, TX (New Build)
•Patten, ME (New Build)
• The Initial Operational Capability (IOC) goal is 99% of the continental United States with single coverage.
•Currently, only 7 sites are needed to achieve IOC. Advance preparation work has been finished or in progress for the remaining 7 sites.
Presenter’s Name June 17, 2003
April 20, 2023
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NDGPS Construction Status FUNDS
REQ.
Site NameProperty Located
Site Assessment
Real Property Survey
Environmental Investigation
Installation Design Plan
Property Use Agreement
Construction
Lease Dates,Timelines and Cost
Tucson, AZ Complete Complete Complete CompleteAwaiting Bore Samples and Eng Approval
Pending $650,000.00 Issues with BLM and
legal help
Carlsbad, NM Complete Complete Complete Complete Complete Complete $650,000.00 Agreement signed Feb
2, 2009
Marshall, TX Complete Complete Complete Complete CompleteRP Instrument pending w/TX
GLO
$650,000.00 CEU Miami awaiting final
signatures
Bliss, ID Complete Complete Complete EA Progressing CompleteSF299 RP In
Progress$650,000.00
Waiting for environmental
paperwork - BLM package ready for
signatures
Sage Junction, ID Complete Complete Complete EA Progressing Complete Pending BLM $650,000.00
$510 paid for 1 year temporary land permit
signed until EI and lease can be completed.
Temporary is effective 1 Jan 2010
Big Lake, TX Complete Complete Complete Complete CompleteRP Instrument
pending$680,000.00
Issue with Texas GLO and legal help
Patten, ME Complete Complete Complete EA Progressing Awaiting Bore
SamplesComplete $650,000.00 Coast Guard owns site
FUNDED SITE PREPS.
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IOC as of September 2009
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IOC Upon Completion
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April 20, 2023
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Maritime DGPS Recap/Upgrades
FC-20 FC-20: Upgraded Receivers & Antennas:
L1/L2 (L2C) Geodetic Grade
EC-03 Commercial Off-The-Shelf (COTS)
equipment. Accuracy is observed to be 1-3 meters
New system architecture is easier and less expensive to upgrade as new technologies become available.
Ethernet based with remote troubleshooting capability.
Slide 16
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April 20, 2023
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GPS Surface Observing System (GSOS) Network.
NOAA’s Forecast Systems Lab• NOAA also uses data from our DGPS sites to continuously measure the water vapor in the atmosphere.• Greatly improves short term weather forecasts.
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April 20, 2023
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