MPC User Manual Rev 0D 76
Appendix A Technical Specifications
A.1 MPC Performance
Position Accuracy
a
Standalone:
L1 only 1.8 m CEP
L1/L2
1.5 m CEP
WAAS:
L1 only 1.2 m CEP
L1/L2
0.8 m CEP
Code Differential 0.45 m CEP
Post Processed 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
Internal OCXO
Type 10 MHz SC-Cut, temperature stabilized
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 GPS Network (can be disabled) Loop Type: 2
nd
Order
Bandwidth: 0.003 Hz
Time Constant: 5 mins.
Front Panel 10 MHz Out
a c
± 1 x 10
-12
per day (steered)
Front Panel 1PPS Out
a b c
<10 ns RMS (steered)
Onboard Data Storage
< 19 GB
a. Typical values. Performance specifications are subject to GPS system characteristics, U.S. DOD operational degradation,
ionospheric and tropospheric conditions, satellite geometry, baseline length and multipath effects. Assumes SA Off.
b. Time accuracy does not include biases due to RF or antenna delay.
c. With respect to GPS system time.
