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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 Sallisaw, Ok DGPS beacon (299 KHz, Site ID 866) terminated at 1300Z (0800 EST), Dec 31, 2016.

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 26 Feb 2017
Site Name Site Id BNM # OUTAGE MESSAGE
SCHEDULED / UNSCHEDULED OUTAGES
Kenai8960083-17
BROADCAST SITE IS UNUSABLE AS OF 02/25/2017 13:41 Z UNTIL FURTHER NOTICE.
Cape Canaveral8090068-17
BROADCAST SITE WILL BE UNUSABLE FROM 02/28/2017 14:00 Z TO 02/28/2017 18:00 Z.
Card Sound8080048-17
BROADCAST SITE WILL BE UNUSABLE FROM 03/08/2017 14:00 Z TO 03/08/2017 16:00 Z.
Louisville8690076-17
BROADCAST SITE IS UNUSABLE AS OF 02/22/2017 16:37 Z UNTIL FURTHER NOTICE.
Driver8060044-17
BROADCAST SITE WILL BE UNUSABLE FROM 03/01/2017 14:00 Z TO 03/01/2017 17:00 Z.
Point Loma8810038-17
BROADCAST SITE STATUS IS UNCONFIRMED DUE TO NETWORK OUTAGE AS OF 01/26/2017 17:40Z UNTIL FURTHER NOTICE.
Upolu Point8790066-17
BROADCAST SITE WILL BE UNUSABLE FROM 03/01/2017 20:00 Z TO 03/02/2017 00:00 Z.
St. Louis8620605-16
BROADCAST SITE STATUS IS UNCONFIRMED DUE TO NETWORK OUTAGE AS OF 12/07/2016 18:02 Z UNTIL FURTHER NOTICE.
GENERAL INFORMATION
St. Louis8620079-17
DGPS BROADCAST SITE WILL PERMANENTLY CEASE BROADCASTING CORRECTIONS ON 10 MARCH 2017 AT 1300Z