Thu, Jan 20, 2011
Evaluation Of System Centered Off The Georgia Coast
The Department of Defense will conduct GPS tests on January 20th
through February 22nd, 2011. During testing, the GPS signal may be
unreliable or unavailable.
The testing will be centered at 304906N/0802811W or the location
know as 105.25 degrees and 52.1 NM from the SSI VOR. GPS testing is
scheduled on January 20th through February 11th, 2011 from
0000-0245 UTC daily and February 15th through February 22nd, 2011
from 0000-0245 UTC daily. These tests may not be concurrent so
pilots are advised to check NOTAMS frequently for possible changes
prior to operating in the area.
Several test events will be conducted and will be active for 45
minutes followed by 15 minutes of off time. During testing, GPS
will be unreliable and may be unavailable with in a circle with a
radius of 370NM and centered at 304906N/0802811W or the location
known as 105.25 degrees and 52.1 NM from the SSI VOR at FL400;
decreasing in area with a decrease in altitude to a circle with a
radius of 325NM at FL250; a circle with a radius of 260NM at
10,000FT MSL and a circle with a radius of 215NM at 4,000FT
AGL.
Pilots are highly recommended to report anomalies during testing
to the appropriate ARTCC to assist in the determination of the
extent of GPS degradation during tests. The NOTAMs discussed
in this advisory may change with little or no notice. Pilots are
advised to check NOTAMs frequently for possible changes prior to
operations in the area. NOTAMs will be published at least 24 hours
in advance of any GPS tests.
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