SGR-Axio Space GNSS Receiver
Surrey Satellite Technology Limited
24-channel multi-constellation space GNSS receiver, in orbit on 4 satellites since 2018.
Technical specifications
- Dimensions
- 160 x 180 x 50mm
- Mass
- 1kg
- Power
- 4W at 5V
- Channels
- 24
- Antennas
- 1-4
- Constellations
- GPS L1 C/A standard; optional GLONASS, Galileo, L2C
- Position accuracy
- 5m
- Velocity accuracy
- 10cm/s
- Time to first fix
- 120s
- Time accuracy
- 100ns
- Radiation tolerance
- ≥5kRad(Si)
- Interface
- CAN-SU, RS422, SpaceWire
- Flight heritage
- In orbit on 4 satellites since 2018
- TRL
- 9 (flight-proven)
About
SGR-Axio is SSTL’s higher-performance space GNSS receiver, offering 24 channels and support for 1-4 antennas. It provides GPS L1 C/A tracking as standard, with optional GLONASS, Galileo and L2C support. The receiver delivers 5m position accuracy, 10cm/s velocity accuracy, 120s time-to-first-fix and 100ns time accuracy, is rated to at least 5kRad(Si) total ionizing dose, and offers CAN-SU, RS422 and SpaceWire interfaces. SGR-Axio has been in orbit on four satellites since 2018.
Documentation
Need the full ICD, test reports or a specific revision? Ask the supplier directly.
