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HDOP ADVISORY (SEPT 11, 2009)

Users in certain parts of the world may experience short periods of high HDOP/PDOP on September 11th, 2009, as a result of a routine Delta-V maneuver with satellite #52 (PRN-31). A world view is provided below. Additionally, time period illustrations for each affected area may be seen by clicking on the links for Continental U.S., Asia, New Guinea, and New Zealand.

Please report any outages through the NAVCEN "Report a GPS Problem" page.