Tag: navcen

Coast Guard Discontinues Differential GPS Broadcast

Submitted by the Chief, Office of Navigation Systems (CG-NAV) On June 30, 2020 the Coast Guard switched off the last Differential Global Positioning System (DGPS) signals after more than 25 years of […]

Federal Communications Commission issues enforcement advisory on non-compliant AIS devices

Automatic Identification Systems that are non-compliant with adopted international standards can confuse, degrade or even disrupt other users’ systems. The FCC has issued an enforcement advisory stating the use of non-compliant AIS devices is illegal.

6/21/2017: 57th meeting of the U.S. Civil GPS Service Interface Committee

The U.S. Department of Transportation and the Coast Guard Navigation Center will host the 57th meeting of the Civil Global Positioning System Service Interface Committee, Sept. 25-26, 2017, at the Oregon Convention Center in Portland, Oregon. CGSIC meetings are free and open to the public.

6/9/2017: Differential Global Positioning System (DGPS) site decommissioning

Within the last year, the nationwide DGPS system has undergone a substantial reduction in the number of operational sites. Most of the sites are owned and maintained by USCG, but a few are owned and maintained by the U.S. Army Corps of Engineers (USACE). USACE will employ a phased shutdown of its five remaining DGPS sites. The 39 USCG owned and operated DGPS sites will continue to transmit.

9/30/2016: Recap of the 56th Meeting of the Civil GPS Service Interface Committee

The 56th Meeting of the Civil GPS Service Interface Committee (CGSIC), was held September 12-13, 2016, at the Oregon Convention Center in Portland, Oregon, in conjunction with the Institute Of Navigation’s Global Navigation Satellite System conference.

9/30/2016: NAVCEN conducts DGPS operational assessments

Over the past summer and into the fall, the Coast Guard Navigation Center (NAVCEN) completed four Differential Global Positioning System (DGPS) operational assessments of the New York, Corpus Christie, Puget Sound and Tampa regions.

4/14/2016: New International Ice Patrol Products available on Coast Guard website

Machine-readable format shapefiles now available on the NAVCEN’s website which allows anyone with Google Earth or ARCGIS to easily plot the International Ice Patrol’s ice flow products on a daily basis

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