The United States Coast Guard Navigation Center recently warned of possible unreliable GPS readings from February 3 to 10, 2012 from 16:00 hours to 21:45 hours Eastern Standard Time off the North Carolina Coast due to testing on GPS frequencies utilized by shipboard navigation. The entire message is below.
From Feb 03 through Feb 10, 2012, daily from 1600 EST to 2145 EST, the GPS
navigation signal may be unreliable due to testing on GPS frequencies used by
shipboard navigation, aviation and handheld systems. Systems that rely on GPS, such
as E-911, AIS and DSC may be affected at an approximate testing center point of 33
45.00N, 77 00.00W, with an impact radius of approximately 75 NM from center point.
More information is available at the Coast Guard Navigation Center website www.navcen.uscg.gov. During this period GPS Users are encouraged to report any GPS service outages that they may experience to the Navigation Information Service (NIS) by calling (703) 313-5900 or by using the NAVCEN Website to submit a GPS Problem Report www.navcen.uscg.gov/?pageName=gpsUserInput .
Amver participants should take note.
More information is available at the Coast Guard Navigation Center website www.navcen.uscg.gov. During this period GPS Users are encouraged to report any GPS service outages that they may experience to the Navigation Information Service (NIS) by calling (703) 313-5900 or by using the NAVCEN Website to submit a GPS Problem Report www.navcen.uscg.gov/?pageName=gpsUserInput .
Amver participants should take note.
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