GNSS-701

GNSS-701-DATASHEET Product enquiry GNSS-701 cad model

Satellite GNSS Receiver

A compact yet powerful satellite GNSS receiver.

The flight proven GNSS-701 Satellite GNSS (Global Navigation Satellite System) Receiver is an upgraded version of our GPS12-V1, one of AAC SpaceQuest’s bestselling components of all time.

Our compact yet powerful next-generation GPS-701/702 Satellite GNSS Receiver has an improved core and an expanded interface card improving the component’s available features, accuracy, and compatibility, while still relying on the foundation of a proven design with over a decade of heritage.

Our GNSS-701 is used to determine accurate determination of orbital position of the satellite, orbit maneuvers to enabling accurate knowledge of time.

Our AAC SpaceQuest GPS receivers have been used on missions such as AprizeSats 1, 2, 3, 4, 5, 8 and 10, Genesis 1, 2 (Bigelow Aerospace), exact-View 5, 6, and 11 (exactEarth), M-SAT (Univ. of Missouri), FalconSat-5 and 6 (USAFA), FASTSat (NASA MSFC), and many more.

Reliability

Flight proven across multiple mission applications for a range of customer requirements this readily available solution has inherited advanced error detection and correction.

Performance

The space qualified GNSS-701 functions with low power consumption to achieve high performance, up to 1Hz Pulse Per Second Output.

Heritage

This solution has over a decade of heritage. AAC SpaceQuest has delivered over 42 GPS receivers, of which 18 have launched to date.

Why the GNSS-701?

  • 120 Channel GNSS Receiver
  • Fast Time to First Fix
  • < 5m Position Accuracy
  • < 0.10 m/s Velocity Accuracy
  • 1Hz Pulse Per Second Output
  • Build Time Interface Options
  • Tracks GPS, GLONASS, Galileo, and BeiDou

Technical Specifications

Performance Specifications GNSS-701 Single Frequency GNSS-702 Dual Frequency
Frequencies: L1, E1, B1 + L2, E5b, B2
Constellations:
  • GPS, GPS+GLO
  • GPS+GLO+GAL
  • GPS, GPS+GLO
  • GPS+GLO+BDS
Position Accuracy: 1.5 meters 1.2 meters
Velocity Accuracy: <0.03 m/s RMS TBD
Time Accuracy: 20 ns RMS TBD
Time to First Fix: Cold Start: 40s Hot Start: 19s TBD
Performance Specifications GNSS-703 Multi-Frequency
Frequencies: + L5, E5a, AltBOC, B3
Constellations:
  • GPS, GPS+GLO
  • GPS+GLO+BDS
  • GPS+GLO+GAL+BDS
Position Accuracy: TBD
Velocity Accuracy: TBD
Time Accuracy: TBD
Time to First Fix: TBD
Electrical and RF
Input Voltage: 3.3V Regulated, 4.5-20V Unregulated, or 8-42V Unregulated (Build Time Option)
Power Consumption:
  • A: 0.9W@3.3V, 1.0W@7.5V, 1.2W@28V (Includes Active Antenna)
  • B: 1.3W@3.3V#44; 1.4W@7.5V#44; or 1.6W@28V (Includes Active Antenna)
  • C: 1.8W@3.3V#44; 2.0W@7.5V#44; or 2.2W@28V (Includes Active Antenna)
Data Interface: 2 Serial Ports (LVCMOS or RS-422) with Binary and ASCII Messages up to 460 kbps, 1 USB2.0 Port
Available Signals:
  • LVCMOS Outputs: Pulse Per Second, Position Valid, Variable Frequency
  • LVCMOS Inputs: Reset and 2 Edge-Trigger
I/O Messages:
  • Output: Over 150 Output Message Types (Position, Velocity, Time, etc.)
  • Input: Over 100 Input Command Types
RF Inputs: 1 SMA Female for Active Antenna
Electrical and RF
Mass: 188 (+/- 5) grams
Size (incl. connectors): 103.51 mm x 55.88 mm x 26.98 mm (4.075” x 2.2” x 1.062”)
Operating Temperature: -40°C to +85°C
Storage Temperature: -55°C to +95°C
Radiation: > 10 kRads

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