USCG Navigation Center

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USCG Navigation Center Nationwide DGPS Project
Status
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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.

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Maritime Information Operations Center

• 24/7 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)

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Command Overview
Commanding Officer CAPT Edwin Thiedeman
Command Master Chief CMC Neil Orthober
Administrative Assistant Ms. Denise Bernard-Moore
Executive Officer CDR Mark Sanders
Command Duty Officer
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
MIOC Alexandria, VA
NAVDET Petaluma, CA
COCO
NAVCEN Liaison at the GPSOC Schriever, AFB (OSC
Billet)
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Worldwide DGPS Coverage
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(No Transcript)
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Nationwide DGPS
Coverage Planning Verification
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DOT NDGPS Project Status Report
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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

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Nationwide Single Coverage Goal

• 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.

• 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)

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NDGPS Construction Status
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IOC as of September 2009
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IOC Upon Completion
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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.

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GPS Surface Observing System (GSOS)
Network.NOAAs 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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www.navcen.uscg.gov
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CWO Greg Sandness Gregory.A.Sandness_at_uscg.mil 703-
313-5822
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DGPS Usage
US Coast Guard- Maritime navigation and ATON
Positioning

• US Army Corps of Engineers funds - ATON,
  Navigation, Underwater Surveying Dredging

US Dept of Transportation- Precision Agriculture,
Intelligent Transportation Systems, Positive
Train Control.
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GAO Report
http//www.gao.gov/cgi-bin/getrpt?GAO-09-325 http
//www.pnt.gov Air Force Response FAQ
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