Commercial and civil users who experience impacts are encouraged to contact the Navigation Center through its website or by phone at (703) 313-5900.
Source: USCG
Link: 10/24/2018: Modifications to GPS space and ground control segment
Commercial and civil users who experience impacts are encouraged to contact the Navigation Center through its website or by phone at (703) 313-5900.
Source: USCG
Link: 10/24/2018: Modifications to GPS space and ground control segment