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Wednesday, April 8, 2026

USCG – HDOP Advisory

Maritime Activity Reports, Inc.

September 10, 2009

The U.S. Coast Guard Navigation Center issued an advisory stating that GPS users may experience short periods of high horizontal dilution of precision (HDOP) on September 11 as a result of a routine Delta-V maneuver with satellite #52 (PRN-31). (9/9/09).

(Source: Bryant’s Maritime News)