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.
The Louisville, KY DGPS Beacon (290 KHZ, Site ID 869) was terminated as of 1200Z (0800 EDT) May 31, 2017.
The Millers Ferry, AL (320 KHz, Site ID 865), Rock Island, IL (311 KHz, Site ID 863), and St. Paul, MN (317KHz, Site ID 864) DGPS beacon signals were terminated as of 1200Z (0800 EDT) June 30, 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 22 Apr 2018
|SCHEDULED / UNSCHEDULED OUTAGES|
BROADCAST SITE WILL BE UNUSABLE FROM 04/25/2018 12:00 Z TO 04/26/2018 20:00 Z.
BROADCAST SITE IS UNUSABLE AS OF 04/14/2018 08:36 Z UNTIL FURTHER NOTICE.
|No additional information at this time.