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Nationwide Differential GPS (NDGPS)
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DGPS SITE CONFIGURATION INFORMATION

Outage information is shown next to each site. It is requested that users notify the Navigation Information Services Watchstander at (703) 313-5900 or via email regarding any observed outages, problems, or requests.

Differential corrections are based on the NAD83 (2011) position of the reference station (REFSTA) antenna. Positions obtained using DGPS should be referenced to NAD 83 coordinate system only. All sites are broadcasting RTCM Type 9-3 correction messages. Please report DGPS problems or outages at our report-a-problem page. Thank you in advance.

Note: The St. Louis, MO DGPS beacon (322 KHz, Site ID 862) terminated at 1400Z (1000 EST), Mar 10, 2017.

For inquiries, please contact the Navigation Information Service (NIS) via our Contact Us page or via phone at 703-313-5900.

 


CURRENT DGPS ADVISORIES FOR 29 Apr 2017
Site Name Site Id BNM # OUTAGE MESSAGE
SCHEDULED / UNSCHEDULED OUTAGES
Card Sound8080135-17
BROADCAST SITE IS UNUSABLE AS OF 04/14/2017 22:52 Z UNTIL FURTHER NOTICE.
Upolu Point8790146-17
BROADCAST SITE WILL BE UNUSABLE FROM 05/22/2017 20:00 Z TO 05/23/2017 00:00 Z.
Rock Island8630145-17
BROADCAST SITE WILL BE UNUSABLE FROM 05/03/2017 06:30 Z TO 05/03/2017 08:30 Z.
Louisville8690076-17
BROADCAST SITE IS UNUSABLE AS OF 02/22/2017 16:37 Z UNTIL FURTHER NOTICE.
Acushnet7720144-17
BROADCAST SITE WILL BE UNUSABLE FROM 05/03/2017 13:00 Z TO 05/03/2017 17:00 Z.
Kensington7780111-17
BROADCAST SITE WILL BE UNUSABLE FROM 05/04/2017 13:00 Z TO 05/04/2017 17:00 Z.
Angleton8280148-17
BROADCAST SITE WILL BE UNUSABLE FROM 05/02/2017 15:00 Z TO 05/02/2017 19:00 Z.
Robinson Point8870116-17
BROADCAST SITE WILL BE UNUSABLE FROM 05/08/2017 16:00 Z TO 05/08/2017 20:00 Z.
Whidbey Island8880114-17
BROADCAST SITE WILL BE UNUSABLE FROM 05/15/2017 17:00 Z TO 05/15/2017 21:00 Z.
Cape Canaveral8090119-17
BROADCAST SITE STATUS IS UNCONFIRMED DUE TO NETWORK OUTAGE AS OF 03/28/2017 14:45 Z UNTIL FURTHER NOTICE.
GENERAL INFORMATION
No additional information at this time.