short period of high HDOP/PDOP on the 11th of September

As announced by USCG Navigation Center on September 9th:

"To all CGSIC:

Users in certain parts of the world may experience a short period of high
HDOP/PDOP on the
11th of September as a result of a routine Delta-V maneuver with satellite #52
(PRN-31).
A world view may be seen by clicking on
http://www.navcen.uscg.gov/gps/news/degradation_091109.htm
Time period illustrations for Asia, New Guinea, New Zealand, and Continental
U.S.are also
provided.

Please report any outages through the NAVCEN form at
http://www.navcen.uscg.gov/gps/gpsuserinput.htm

Rick Hamilton
CGSIC Executive Secretariat
USCG Navigation Center"