Coast Guard issues notice on transitioning broadcast almanac

March 6, 2018  - By
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In a notice advisory to NAVSTAR Users (NANU), the U.S. Coast Guard Navigation Center announced that starting March 7, after 22:00 Zulu hours, GPS will transition satellite SVN34 (PRN18) into the broadcast almanac for all satellites.

The almanac transition, one satellite at a time, will require approximately 24 hours to complete.

Also, on approximately March 8, SVN34 will resume transmitting L-band utilizing PRN18. SVN34/PRN18 will be unusable until further notice.

Future NANUs will notify users of any changes to the above stated status.

Contact the navigation center for more information:

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About the Author:


Tracy Cozzens has served as managing editor of GPS World magazine since 2006, and also is editor of GPS World’s sister website, Geospatial Solutions. She has worked in government, for non-profits, and in corporate communications, editing a variety of publications for audiences ranging from federal government contractors to teachers.

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