All CGSIC,
High Horizontal Dilution of
Precision 22-23 June 2018
Users of the Global Positioning System (GPS) may experience
a short period of high Horizontal Dilution of Precision (HDOP) / Position
Dilution of Precision (PDOP) in the locations below at the times indicated due
to satellite maintenance (please refer to NANU 2018029, available on our Constellation Status
Page). High Dilution of Precision is defined as HDOP in excess of 6.
- In the
vicinity of 62.00N, 40.00E, between Mastalyga and Shozhma in Russia, from
1250Z and 1254Z on 22 June 2018.
- In the
vicinity of 64.00N, 138.00W, in the Yukon Territory, in lands governed by
the Tr’ondëk Hwëch’in, between 0046Z and 0050Z on 23 June 2018.
Predictions are based on a "Best Four"
analysis to illustrate the worst case scenario and are provided for situational
awareness only.
You may view the full
analysis as provided by the GPS Operations Center. Please report any
outages through the NAVCEN Report a GPS Problem
page.
Rick Hamilton CGSIC Executive Secretariat GPS Information Analysis Team Lead U.S. Coast Guard Navigation Center 703-313-5930
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