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 […]
GPS satellite plane/slot and clock information removed from the Operational Advisory message
A graph representing GPS satellite slot and plane designations is now available on the Navigation Center’s Constellation Status page.
3/22/2019: Special notice to mariners – upcoming GPS week number rollover
The Coast Guard Navigation Center published a special notice to mariners that use GPS Equipment. The special notice outlines the details of the GPS Week Number Rollover that will occur April 6-7, 2019.
11/8/2018: U.S. Maritime Advisory 2018-014- GPS Interference in Eastern Mediterranean and Red Seas
Maritime Commons is sharing the content of U.S. Maritime Advisory 2018-014-GPS to inform our readers that significant GPS interference continues to be reported by vessels and aircraft operating in the Eastern Mediterranean Sea near Port Said, Egypt, the Suez Canal, and in the vicinity of the Republic of Cyprus.
10/24/2018: Modifications to GPS space and ground control segment
Commercial and civil users who experience impacts are encouraged to contact the Navigation Center through its website or by phone at (703) 313-5900.
