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Appendices
48 Test Bed Receiver Subsystem Addendum – Rev 1
E TEST BED RECEIVER - TECHNICAL SPECIFICATIONS
PHYSICAL
Size
448.8 x 361 x 183.5 mm (without the 19” mounting brackets)
Weight
10.2 kg
ENVIRONMENTAL
Operating Temperature
-25° C to +55° C with 1 m
3
/ minute air flow
Storage Temperature
-40° C to +85° C
Humidity
10-80%
Altitude
3,000 metres
[May operate above 3,000 m in a controlled environment, however is not certified as such.]
POWER INPUT
Connector
3-position chassis jack
Voltage
22-30 V DC
Current
1.5 A continuous; 3.0 A peak
TEST BED RECEIVER SUBSYSTEM PERFORMANCE (Subject To GPS System Characteristics)
Frequency
GPS: L1(1575.42 MHz), L2 (1227.6 MHz) GLONASS: L1(1602 – 1615.5 MHz)
Code tracked
GPS L1-C/A Code, GPS L2 P Codeless, WAAS GEO C/A Code, GLONASS L1 C/A code, and
GEO SVN (PRN 120-138)
Satellite Tracking
GPS GEO
12 GPS L1-C/A (Narrow) / L2 (Codeless)
or 10 GPS L1/L2 and 1 GEO (Wide)
or 8 GPS L1/L2 and 2 GEO (Wide)
Channels
GPS GLONASS
12 GPS L1-C/A (Narrow) and 6 GLONASS L1-C/A (Narrow)
Position Accuracy Stand-alone
40 metres CEP (SA on), GDOP < 2
Time Accuracy (relative) 50 nanoseconds (SA off)
250 nanoseconds (SA on)
Pseudorange
L1 GLONASS (C/A, Narrow) 20 cm RMS, C/N
o
> 44 dBHz, BW = 0.05
Measurement
L1 GPS (C/A, Narrow) 10 cm RMS, C/N
o
> 44 dBHz, BW = 0.05
Accuracy
L1 GPS (C/A, Wide) 1 m RMS, C/N
o
> 44 dBHz, BW = 0.05
L2 GPS 50 cm RMS, C/N
o
> 30 dBHz, BW = 0.05
Single Channel
L1 GLONASS 6 mm RMS, C/No > 44 dBHz, Loop BW = 15Hz
Phase Accuracy
L1 GPS 3 mm RMS, C/No > 44 dBHz, Loop BW = 15Hz
L2 GPS 5 mm RMS, C/No > 30 dBHz, Loop BW = 0.2Hz
Raw Data
GPS GLONASS 1 phase and code measurements per second
Availability Rate
GPS GEO 1 phase and code measurements per second
Almanac data < 15 minutes after reset
Time to First Fix
100 seconds (95%) with stabilized internal and external oscillators.
15 minutes maximum from start of cold receiver. No initial time, almanac or position required.
Re-acquisition
L1 GPS/GLONASS 5 seconds C/No = 44 dB-Hz, 10 seconds C/No = 38 dB-Hz
L2 GPS 45 seconds C/No = 41 dB-Hz, 60 seconds C/No = 35 dB-Hz
GEO 10 seconds C/No = 44 dB-Hz
Height Measurements
Up to 18,288 metres (60,000 feet) maximum
[In accordance with export licensing, the card is restricted to less than 60,000 feet.]