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.


2/13/2017: NAVCEN seeks beta test participants for new AIS data tool

Best test runs from Feb. 13, 2017 to March 5, 2017.


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.


4/21/2016: Most commercial vessels required to have AIS

The Coast Guard is expanding Automatic Identification System (AIS) requirements to include additional commercial vessels.


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


3/16/2016: Updates from the Coast Guard’s Navigation Center

Read an update from the Navigation Center’s commanding officer on operations and 2016 agenda items for NAVCEN.


9/28/15: Global Positioning System – Awareness and reporting

The Coast Guard’s Navigation Center informs mariners that CGSIC meetings are open to the public and provide useful information on GPS-based applications; NAVCEN also reminds mariners to report incidents of GPS jamming as well as GPS signal interferences.


4/15/2015: High horizontal dilution of precision advisory

Users of the Global Positioning System in Spain and in part of the Southern Indian Ocean may experience short periods of high horizontal dilution of precision at various times today, April 15, 2015, due to satellite maintenance.


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