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 Catalina/Capri 25/250 Sailor's Forums
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 Degraded GPS in FL, GA, SC until Feb. 22nd		  New Topic  Topic Locked
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jbkayaker
Captain

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USA
299 Posts
Initially Posted - 01/20/2011 :  09:16:19  Show Profile
<font color="red">This notice was sent to pilots yesterday:</font id="red">

GPS Testing Brunswick, GA.
Notice Number: NOTC2777

The Department of Defense will conduct GPS tests on January 20th through February 22nd, 2011. During testing, GPS will be unreliable and may be unavailable with in a radius of 370NM centered at 304906N/0802811W or the location known as 105.25 degrees and 52.1 NM from the SSI VOR

See link below for further details.

https://www.faasafety.gov/files/notices/2011/Jan/GPS_Flight_Advisory_CSFTL11-01_Rel.pdf

The area affected covers more than half of Florida, Georgia, and South Carolina until February 22nd, 2011.
Jim Butler
Edited by - on

Dave5041
Former Mainsheet Editor

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USA
3758 Posts
Response Posted - 01/21/2011 :  09:35:58  Show Profile
I'll try to keep Pearl below 10,000 ft so I'm not affected in Pensacola. Good post, I didn't see it anywhere else. I didn't see a surface range, but pilots probably aren't too concerned once they are on the ground.

<b>Latest Notice to Mariners: SOUTHEAST ATLANTIC COAST: GPS Testing Information</b>
LNM: 03/11
LNM: 02/11
LNM: 03/11
THE GPS NAVIGATION SIGNALS MAY BE UNRELIABLE FROM 20 JAN 2011 - 22 FEB 2011 FROM 0000Z - 0245Z DUE TO TESTING ON GPS FREQUENCIES USED IN SHIPBOARD NAVIGATION AND HANDHELD SYSTEMS. GPS SYSTEMS THAT RELY ON GPS, SUCH AS E-911, AIS AND DSC, MAY BE AFFECTED WITHIN A 150 NM RADIUS OF POSITION 30 49.09N 80 28.18W. DURING THIS PERIOD GPS USERS ARE ENCOURAGED TO REPORT ANY GPS SERVICE OUTAGES THAT THEY MAY EXPERIENCE DURING THIS TESTING VIA THE NAVIGATION INFORMATION SERVICE (NIS) BY CALLING (703) 313-5900 OR BY USING THE NAVCEN WEB SITE'S GPS REPORT A PROBLEM WORKSHEET AT WWW.NAVCEN.USCG.GOV.
LNM: 02/11
FLORIDA-CAPE CANAVERAL: GPS Testing Information
THE GPS NAVIGATION SIGNAL MAY BE UNRELIABLE FROM 08 JUN 2010 - 08 JUN 2012, INTERMITTENT TIMES. DUE TO TESTING ON GPS FREQUENCIES USED IN SHIPBOARD NAVIGATION AND HANDHELD SYSTEMS. GPS SYSTEMS MAY BE AFFECTED WITHIN A 34 NM RADIUS OF POSITION 28 28.175N 080 34.74W. DURING THIS PERIOD GPS USERS ARE ENCOURAGED TO REPORT ANY GPS SERVICE OUTAGES THAT THEY MAY EXPERIENCE DURING THIS TESTING VIA THE NAVIGATION INFORMATION SERVICE (NIS) BY CALLING (703)313-5900 OR BY USING THE NAVCEN'S WEB SITE'S GPS REPORT A PROBLEM WORKSHEET AT WWW.NAVCEN.USCG.GOV.
Page 4 of 32
Coast Guard District 7
LNM: 03/11 18 January 2011
LNM: 23/10
Edited by - Dave5041 on 01/21/2011 09:51:23
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jbkayaker
Captain

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USA
299 Posts
Response Posted - 01/21/2011 :  17:12:37  Show Profile
<font color="maroon">Any GPS <b>closer than 150 NM from a point about 40 miles off the coast from Brunswick, GA may be affected.</b> UTC or Greenwich time is 5 hours ahead of Eastern Standard Time. So the Zulu or UTC period specified for potential problems converts to <b>7 PM EST to 9:45 PM</b>. </font id="maroon">
Edited by - jbkayaker on 01/21/2011 17:24:24
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Stinkpotter
Master Marine Consultant

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Djibouti
9080 Posts
Response Posted - 01/22/2011 :  08:59:02  Show Profile
<i>33 days</i> where I have to stay off Fishers Island Sound and not try to find Block Island or Montauk from 1900 - 2145 hours for fear of ending up in Portugal? <i>Damn those DOD wire-heads!</i>
Edited by - Stinkpotter on 01/22/2011 08:59:51
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Notice: The advice given on this site is based upon individual or quoted experience, yours may differ.
The Officers, Staff and members of this site only provide information based upon the concept that anyone utilizing this information does so at their own risk and holds harmless all contributors to this site.