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B MiLLennium Technical Specifications
38 MiLLennium GPSCard and Enclosures Guide to Installation & Operation
MiLLen-STD Performance
(Subject To GPS System Characteristics)
Position Accuracy Standalone: SA off 15 m CEP
SA on 40 m CEP
Differential: Code (L1, C/A) 0.75 m CEP
Post Processed ±5mm+1ppm
Time To First Fix Cold start 70 s (typical)
Reacquisition Warm start 1 s L1, 10 s L2 (typical)
Data Rates Raw measurement 10 Hz
Computed position 10 Hz
Time Accuracy SA off 50 ns RMS
SA on 250 ns RMS
Velocity Accuracy Standalone 0.20 m/s RMS
Differential 0.03 m/s RMS
Measurement Precision C/A code phase 10 cm RMS
L2 P code 40 cm RMS
L1 carrier phase: Single channel 3 mm RMS
Differential channel 0.75 mm RMS
L2 carrier phase: Single channel 5 mm RMS
Differential channel 4mm RMS
Dynamics Acceleration 6 g
Velocity 515 m/s
MiLLen-WAAS Performance
(Subject To GPS System Characteristics)
GPS Only GPS + WAAS
Codes Tracked C/A&P C/A&P
12 L1/L2 10 L1/L2 & 1 WAAS
Position Accuracy Standalone: SA on 42 m CEP 3.2 m CEP
Differential: Code (RTCA/RTCM) 0.75 m CEP 0.75 m CEP
Time To First Fix Cold start (typical) 70 s 70 s
Reacquisition Warm start (typical) 3 s L1, 40 s L2 3 s L1, 40 s L2
Data Rates Raw measurement 10 Hz 2 Hz
Computed position 10 Hz 2 Hz
Time Accuracy SA off or differential (RMS) 50 ns 50 ns
SA on (RMS) 250 ns 50 ns
Velocity Accuracy Standalone (RMS) 0.20 m/s 0.20 m/s
Differential (RMS) 0.03 m/s 0.03 m/s
Measurement
Precision
C/A code phase 10 cm RMS 10 cm RMS
L2 P code 40 cm RMS 40 cm RMS
L1 carrier phase: Single channel 3 mm RMS 3 mm RMS
Differential channel 0.75 mm RMS 0.75 mm RMS
L2 carrier phase: Single channel 5 mm RMS 5 mm RMS
Differential channel 4mm RMS 4mm RMS
Dynamics Acceleration 6g 6g
Velocity 515 m/s 515 m/s