Satellite > Orbit Determination and Control > GNSS/GPS Receiver > GEMINI-SR28 GPS Receiver
Summary
The NSS Gemini SR28 GPS Receiver range is L1 frequency GPS Receivers which utilizes a heritage GPS chipset. Targeted towards low-cost SmallSat constellations, it allows for space altitude and velocity use cases. The Gemini-SR5 operates from a 5V supply voltage while the Gemini-SR28 operates from an unregulated 28V supply voltage incorporating latch-up protection/detection and a watchdog timer for increased reliability and robustness.
The Gemini Receiver range is based on the existing NGPS-01-422 and NGPS-03-422 GPS Heritage Receivers with improved performance and accuracy. The Gemini range introduces two new protocol options, NMEA083 and a Binary protocol.
Applications
- Accurate determination of orbital position
- Accurate knowledge of time
- Orbit maneuvers
- Time and/or position stamping of payload data
Key features
- L1 receiver
- Small size and low mass
- Radiation tolerant COTS
- Simple to interface
Flight heritage
The NewSpace Systems (NSS) GPS Receivers are based on the NSS NGPS-01-422 and NGPS-03-422 which have been flying for more than a decade. To date, >60 Receivers and >70 Antennae have been delivered globally to a variety of international missions and constellation programs. The Gemini-SR5 has been extensively qualified and has deliveries scheduled for 2024.
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Last updated: 2024-02-06
Specs
D-Sub standard density 9-pin (power)
D-Sub high density 26-pin (communication)
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