Nav aids

The US coast guard navigation center (navcen) received a report stating the broadcast navigation message…

NAVAREA IV 274/07

issued: 2007-09-17 02:08Z
status: cancelled 2008-02-16 08:27Z (archive)
authority: COGARD NAVCEN 162306Z SEP 07.
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. THE US COAST GUARD NAVIGATION CENTER (NAVCEN) RECEIVED A REPORT
   STATING THE BROADCAST NAVIGATION MESSAGE FROM SEVERAL PRN'S HAVE
   BEEN, AND ARE, NON-COMPLIANT WITH IS GPS 200 PARAGRAPH 20.3.4.4.
   GPS USERS MAY EXPERIENCE POSSIBLE ERRORS IN ACCURACY DUE TO SATELLITE
   TRANSMITIONS.
2. USERS THAT MAY HAVE EXPERIENCED PROBLEMS, ANOMALIES OR OUTAGES
   WITH GPS DURING THIS PERIOD ARE REQUESTED TO PROVIDE ONLINE
   FEEDBACK VIA THE USCG NAVCEN'S "GPS OUTAGE WORKSHEET" AT:
   HTTP:WWW.NAVCEN.USCG.GOV/GPS/GPSUSERINPUT.HTM.

Timeline

NAVAREA IV messages in force 160800Z feb 2008cancelled by · 2008-02-16

Nearby now · within 120 nm

Nothing else in force within 120 nm.

Worldwide now

142 aids-to-navigation notices in force · see all

Nav aids

Lights extinguished, buoys off station, RACON/NAVTEX outages. All current aids-to-navigation notices →

Not for navigation. This is a re-rendering of an official navigational warning for awareness; mariners must use official NAVAREA broadcasts and their national MSI service.