NACO

National Association of Charterboat Operators

Hawaiian Islands – Global Positioning System (GPS) Testing

A series of GPS tests will be conducted in the vicinity of Kaua'i at various times from 19 Aug 2012 through 09 Sep 2012. 

Mariner’s are advised that, during testing, GPS WILL BE UNRELIABLE AND MAY BE UNAVAILABLE to shipboard and handheld navigation systems, e-911, AIS, DSC, and other position, navigation, and timing systems which rely on GPS signals. 

Testing is scheduled as follows:

From August 19 – September 9, 2012, 1500W – 2000W and 0000W – 0400W, mariners are advised GPS will be unreliable and may be

unavailable within a radius of 60 nm from position 22-49-12N/160-09-27W.

From August 19 – September 9, 2012, 2000W – 0400W, mariners are advised GPS will be unreliable and may be unavailable within a radius of

298 nm from position 22-05-39N/159-45-11W.

From August 20 – September 9, 2012, 0000W – 0400W, mariners are advised GPS will be unreliable and may be unavailable within a radius of

425 nm from position 22-19-23N/159-58-02W.

During these test periods, GPS users are encouraged to report any GPS service outages that they may experience to the U.S. Coast Guard Navigation Center (NAVCEN) by calling (703) 313-5900 or by using the NAVCEN website (www.navcen.uscg.gov) to submit a GPS problem report.

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