Ultra Specifications
Process type: Precise Point Positioning
Orbit and clock corrections: JPL
Observations used: L1 / L2 carrier phase
Availability: Worldwide
HP satellites: Inmarsat 25E, 98W, 143.5E, AORE, AORW, IOR
LP satellites: Inmarsat POR
Data format: Proprietary
Typical correction update rate: 30 seconds
Typical latency: 2 seconds
Normal horizontal accuracy: 10cm (95%)
Normal vertical accuracy: 20cm (95%)
Co-ordinate reference frame: ITRF05