MPC User Manual Rev 0D 76
Appendix A Technica l Specifications
A.1 MPC Performance
Position Accuracy a Standalone:
L1 only 1.8 m CEP
L1/L2 1.5 m CE P
WAAS:
L1 only 1.2 m CEP
L1/L2
0.8 m CE P
Code Differential 0.45 m CE P
Post Proces s ed 5 mm + 1 ppm CEP
Time To First Fix 15 minutes (due to OCXO warm-up)
Reacquisition 0.5 s L1 (typical)
6 s L2 (typical)
Data Rates Raw
Measurements : 20 Hz
Computed
Position: 20 Hz
Measurement Precision C/A code phase 6 cm RMS
L1 carrier phase:
Differential 0.75 mm RMS
L2 P code 25 cm RMS
L2 carrier phase:
Differential 2 mm RMS
Intern a l O C X O Type 10 MHz SC -C ut , t empera tu re s ta bilize d
Aging 5 x 10-10 per day
Phase Noise L(f) @10 Hz: -125 dBc/Hz (max.)
@100 Hz: -155 dBc/Hz (max.)
@1 KHz: -165 dBc/Hz (max.)
@10 KHz: -165 dBc/Hz (max.)
Temperature Stability 10 ppb
Mechanical Tuning Range
± 1 x 10-6
Electrical Steering Range ± 1 x 10-7
PLL to GP S Network (can be disabled) Loop Type: 2nd Order
Bandwidth: 0.003 Hz
Time Constant: 5 mins.
Front Panel 10 MHz Outa c ± 1 x 10-12 per day (steered)
Front Panel 1PPS Outa b c <10 ns RMS (steered)
Onboard Data Storage < 19 GB
a. Typical values. Performance spec ifications are subject to GPS system characteristics, U.S. DOD operational degradation,
ionospheric and tropospheric conditions , s atellite geometry, baseline length and multipath effects. A s s umes S A Off.
b. Tim e accuracy does not include biases due to RF or antenna delay.
c. With re spect to G PS s ystem tim e .