Process type: Single difference (DGPS)
Observations used: C/A code & L1 carrier phase
Availability: Worldwide
HP satellites: Inmarsat 25E, 98W, 143.5E, AORE, AORW, IOR
LP satellites: Inmarsat POR
Data format: RTCM SC104
Message types: 1, 3 & 16
Typical correction update rate: 15 seconds
Typical latency: 4 seconds
Typical average age of correction: 10 seconds
Normal accuracy: Up to 2000km: <2m 95="" br="">Ref station co-ordinate frame: ITRF05