PTF 3203A - ptf 3203 A Product Specifications; GPS Sub-system Specifications; Timing and Frequency Outputs

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3. ptf 3203A GlobalTyme - Specifications

3.1.1. GPS Sub-system (S/A off)

Receiver Architecture 12 parallel channels

L1 1575.42 MHz

C/A code (1.023 MHz chip rate)

Code plus carrier tracking

(carrier aided tracking)

Acquisition Time 200s TTFF-cold (with current almanac,

(Time To First Fix, TTFF) position, time and ephemeris)

50s TTFF-warm (with current almanac,

position, and time)

25s TTFF-hot (No stored information)

Time Accuracy <10 ns 1 sigma average

<20 ns 6 sigma average

Position Accuracy <10 meters after 24 hr averaging

Tracking Channels 12 Parallel

Dynamic Characteristics:

Velocity 1000 knots (515 m/s) maximum

at altitudes < 60,000 ft.

Acceleration 4g maximum

Jerk 5 m/s

Vibration 7.7G rms perMilitary Standard 810E

Antenna Bullet antenna, 37dB gain, 30 ft cable

3.1.2. Timing and Frequency Outputs, J1 thru J3