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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.

Notes:

1. The Cape Hinchinbrook DGPS beacon (292 KHz, Site ID 894) terminated at 1700Z (1200 EST), Jan 11, 2016

2. The Pahoa DGPS beacon (290 KHz, Site ID 877) terminated at 1500Z (1100EST), April 29, 2015

3. The Omaha DGPS beacon (298 KHz, Site ID 868) terminated at 1500Z (1100EST), May 15, 2013


For further 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 Jul 2016
Site Name Site Id BNM # OUTAGE MESSAGE
SCHEDULED / UNSCHEDULED OUTAGES
Lincoln7640318-16
BROADCAST SITE WILL BE UNUSABLE FROM 08/22/2016 15:00 Z TO 08/23/2016 01:00 Z.
Tampa (Macdill)8270306-16
BROADCAST SITE WILL BE UNUSABLE FROM 08/19/2016 12:00 Z TO 08/19/2016 22:00 Z.
St. Louis8620185-16
BROADCAST SITE IS UNUSABLE AS OF 05/19/2016 10:37 Z UNTIL FURTHER NOTICE.
Sandy Hook8040307-16
BROADCAST SITE WILL BE UNUSABLE FROM 08/15/2016 13:00 Z TO 08/15/2016 21:00 Z.
Dandridge7820232-16
BROADCAST SITE WILL BE UNUSABLE FROM 08-08-2016 13:00 Z TO 08-08-2016 15:00 Z.
Hartsville8580231-16
BROADCAST SITE WILL BE UNUSABLE FROM 08/11/2016 14:00 Z TO 08/11/2016 16:00 Z.
Robinson Point8870313-16
BROADCAST SITE WILL BE UNUSABLE FROM 08/10/2016 17:00 Z TO 08/10/2016 21:00 Z.
Whidbey Island8880315-16
BROADCAST SITE WILL BE UNUSABLE FROM 08/17/2016 17:00 Z TO 08/17/2016 20:00 Z.
Sturgeon Bay8320238-16
BROADCAST SITE WILL BE UNUSABLE FROM 08/16/2016 14:00 Z TO 08/16/2016 18:00 Z.
Moriches803N077-16
BROADCAST SITE STATUS IS UNCONFIRMED DUE TO NETWORK OUTAGE AS OF 07/27/2016 21:11 Z UNTIL FURTHER NOTICE.
GENERAL INFORMATION
Cold Bay8980290-16
COLD BAY DGPS SITE WILL PERMANENTLY CEASE BROADCASTING CORRECTIONS ON O4 AUGUST 2016 AT 1200Z.
Hackleburg825N062-16
DGPS BROADCAST WILL PERMANENTLY CEASE BROADCASTING CORRECTIONS ON 04 AUGUST 2016 AT 1200Z.
Flagstaff876N058-16
DGPS BROADCAST WILL PERMANENTLY CEASE BROADCASTING CORRECTIONS ON 04 AUGUST 2016 AT 1200Z.
Chico878N054-16
DGPS BROADCAST WILL PERMANENTLY CEASE BROADCASTING CORRECTIONS ON 04 AUGUST 2016 AT 1200Z.
Essex875N057-16
DGPS BROADCAST WILL PERMANENTLY CEASE BROADCASTING CORRECTIONS ON 04 AUGUST 2016 AT 1200Z.
Lompoc8820291-16
LOMPOC DGPS SITE WILL PERMANENTLY CEASE BROADCASTING CORRECTIONS ON O4 AUGUST 2016 AT 1200Z.
Bakersfield795N052-16
DGPS BROADCAST WILL PERMANENTLY CEASE BROADCASTING CORRECTIONS ON 04 AUGUST 2016 AT 1200Z.
Pueblo872N070-16
DGPS BROADCAST WILL PERMANENTLY CEASE BROADCASTING CORRECTIONS ON 04 AUGUST 2016 AT 1200Z.
Key West8110289-16
KEY WEST DGPS SITE WILL PERMANENTLY CEASE BROADCASTING CORRECTIONS ON O4 AUGUST 2016 AT 1200Z.
Eglin (AFB)8120284-16
ELGIN DGPS SITE WILL PERMANENTLY CEASE BROADCASTING CORRECTIONS ON O4 AUGUST 2016 AT 1200Z.
Savannah8180308-16
SAVANNAH DGPS SITE WILL PERMANENTLY CEASE BROADCASTING CORRECTIONS ON O4 AUGUST 2016 AT 1200Z.
Macon822N065-16
DGPS BROADCAST WILL PERMANENTLY CEASE BROADCASTING CORRECTIONS ON 04 AUGUST 2016 AT 1200Z.
Topeka765N075-16
DGPS BROADCAST WILL PERMANENTLY CEASE BROADCASTING CORRECTIONS ON 04 AUGUST 2016 AT 1200Z.
Hagerstown834N060-16
DGPS BROADCAST WILL PERMANENTLY CEASE BROADCASTING CORRECTIONS ON 04 AUGUST 2016 AT 1200Z.
Brunswick NAS8000283-16
BRUNSWICK DGPS SITE WILL PERMANENTLY CEASE BROADCASTING CORRECTIONS ON O4 AUGUST 2016 AT 1200Z.
Pickford8350286-16
PICKFORD DGPS SITE WILL PERMANENTLY CEASE BROADCASTING CORRECTIONS ON O4 AUGUST 2016 AT 1200Z.
Saginaw Bay8370287-16
SAGINAW BAY DGPS SITE WILL PERMANENTLY CEASE BROADCASTING CORRECTIONS ON O4 AUGUST 2016 AT 1200Z.
Pine River841N068-16
DGPS BROADCAST WILL PERMANENTLY CEASE BROADCASTING CORRECTIONS ON 04 AUGUST 2016 AT 1200Z.
Polson849N069-16
DGPS BROADCAST WILL PERMANENTLY CEASE BROADCASTING CORRECTIONS ON 04 AUGUST 2016 AT 1200Z.
Billings874N053-16
DGPS BROADCAST WILL PERMANENTLY CEASE BROADCASTING CORRECTIONS ON 04 AUGUST 2016 AT 1200Z.
Greensboro824N059-16
DGPS BROADCAST WILL PERMANENTLY CEASE BROADCASTING CORRECTIONS ON 04 AUGUST 2016 AT 1200Z.
Medora851N066-16
DGPS BROADCAST WILL PERMANENTLY CEASE BROADCASTING CORRECTIONS ON 04 AUGUST 2016 AT 1200Z.
Whitney859N076-16
DGPS BROADCAST WILL PERMANENTLY CEASE BROADCASTING CORRECTIONS ON 04 AUGUST 2016 AT 1200Z.
Albuquerque845N050-16
DGPS BROADCAST WILL PERMANENTLY CEASE BROADCASTING CORRECTIONS ON 04 AUGUST 2016 AT 1200Z.
Austin798N051-16
DGPS BROADCAST WILL PERMANENTLY CEASE BROADCASTING CORRECTIONS ON 04 AUGUST 2016 AT 1200Z.
Seneca773N071-16
DGPS BROADCAST WILL PERMANENTLY CEASE BROADCASTING CORRECTIONS ON 04 AUGUST 2016 AT 1200Z.
Klamath Falls791N064-16
DGPS BROADCAST WILL PERMANENTLY CEASE BROADCASTING CORRECTIONS ON 04 AUGUST 2016 AT 1200Z.
Hawk Run788N063-16
DGPS BROADCAST WILL PERMANENTLY CEASE BROADCASTING CORRECTIONS ON 04 AUGUST 2016 AT 1200Z.
Isabela8170285-16
ISABELA DGPS SITE WILL PERMANENTLY CEASE BROADCASTING CORRECTIONS ON O4 AUGUST 2016 AT 1200Z.
Clark850N055-16
DGPS BROADCAST WILL PERMANENTLY CEASE BROADCASTING CORRECTIONS ON 04 AUGUST 2016 AT 1200Z.
Dandridge782N056-16
DGPS BROADCAST WILL PERMANENTLY CEASE BROADCASTING CORRECTIONS ON 04 AUGUST 2016 AT 1200Z.
Hartsville858N061-16
DGPS BROADCAST WILL PERMANENTLY CEASE BROADCASTING CORRECTIONS ON 04 AUGUST 2016 AT 1200Z.
Summerfield823N074-16
DGPS BROADCAST WILL PERMANENTLY CEASE BROADCASTING CORRECTIONS ON 04 AUGUST 2016 AT 1200Z.
Myton873N067-16
DGPS BROADCAST WILL PERMANENTLY CEASE BROADCASTING CORRECTIONS ON 04 AUGUST 2016 AT 1200Z.
Spokane848N072-16
DGPS BROADCAST WILL PERMANENTLY CEASE BROADCASTING CORRECTIONS ON 04 AUGUST 2016 AT 1200Z.
Sturgeon Bay8320288-16
STURGEON BAY DGPS SITE WILL PERMANENTLY CEASE BROADCASTING CORRECTIONS ON O4 AUGUST 2016 AT 1200Z.
St. Marys843N073-16
DGPS BROADCAST WILL PERMANENTLY CEASE BROADCASTING CORRECTIONS ON 04 AUGUST 2016 AT 1200Z.