ASTROFEIN GPS receiver unit- ARGO

GPS receiver unit

Features:

‚ÄĘ Configurable redundancy of dual receiver assembly

‚ÄĘ Improved solution availability by dual independent passive receive antenna system with¬†¬†¬† passive combination of RF signals

‚ÄĘ Equipped with inrush current limitation and voltage/current monitoring

‚ÄĘ FDIR capability for timely reaction to system failures

‚ÄĘ Navigation firmware and tracking channels optimized to LEO missions

‚ÄĘ Receiver warm startup mode to enable rapid time to first positioning fix

ARGO-L1 consists of a receiver unit box and accompanying LNAs and antennas. The box can be supplied in two possible mounting configurations.

ARGO-L1 GNSS receiver unit- ARGO

Parameter Data
Performance
Frequency GPS L1 Band, C/A code
Number of correlator channels 12
Signal acquisition threshold 35 dB-Hz
Receiver startup mode TTFF
warm start < 3 min (90%)
cold start < 15 min (90%)
Timing accuracy (1PPS signal) < 0.1 us (1 sigma)
Navigation accuracy
position 10 m (3D rms)
velocity 0.1 m/s (3D rms)
Update rate 1 Hz
Mechanical
Dimensions - receiver unit box
Configuration 1
130.0 x 216.6 x 34.4 mm3
Configuration 2
51.0 x 216.6 x 109.4 mm3
Dimensions - receive antenna
Diameter 88.9 mm
Height (incl. connector) 28.7 mm
RF signal LNA
44 x 27 x 10.5 mm3
Mass (2x antennas and 2x LNAs) Configuration 1&2 < 1200 g
Electrical
Power supply voltage 18 V to 36 V
Power consumption
stand alone single receiver
2.2 Wa
single receiver with 2x LNAs
2.4 Wb
Data Interfaces
I/O data bus CAN 2.0 and RS422 (others on request)
General
Operation temperature range
Receiver and LNA -20¬įC to +60¬įC
Antenna -55¬įC to +85¬įC
Non-operation temperature range
Receiver and LNA -30¬įC to +70¬įC
Design lifetime 7 years in LEO
Storage time 3 years
Total ionization dose
>20 kradc
a) using 120 Ohm termination resistor b) LNA powered by unit input power stage via a coaxial cable c) in LEO missions utilizing aluminum shield thickness of 2 mm
All rights are reserved. Subject to change without prior notice.