Satellites and subsystems > Orbit determination and control > GNSS and GPS receivers > Explorer GPS Spaceborne Receiver
Key highlights
General Dynamics’ Explorer Global Positioning System (GPS) Spaceborne Receiver provides position, velocity, and time information for Low Earth Orbit (LEO) and Geostationary Earth Orbit (GEO) applications. Performance and satellite visibility are enhanced through the use of dual antennas; each of the 12 GPS channels can be assigned to either antenna. The design supports RS-422 or MIL-STD-1553 bus interfaces.
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Last updated: 2021-02-12
Explorer GPS Spaceborne Receiver
Technical specs
GPS position accuracy
< 15 m
GPS velocity accuracy
< 0.05 m/s
GPS time to first fix
3 min
GPS signal
L1 C/A
frequency
1575.42 MHz
GPS channels
12
length
160 mm
width
132 mm
height
43 mm
mass
< 1.2 kg
power
< 7 W
mechanical vibration
17 Grms
operating temperature
-20 to 60 C
data interface
RS422
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