Power Requirements
- Standard (ac power): 90 to 132 Vac or 198 to 264 Vac, automatically selected; 50
to 60 Hz
- Option AWQ: +19 Vdc to +59 Vdc ( >+23 Vdc required to start )
GPS Antennas and Antenna Assemblies
- HP 58504A GPS L1 antenna
- HP 58510A environmental cover and ground plane
- HP 58513A antenna assembly - integrates a stainless steel mast and ground plane
with the antenna, antenna cable and environmental cover
- HP 58538A/ 58539A lightning
arrestors; provides protection against nearby lightning strikes.
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Agilent / HP / Symmetricom 58503B GPS Time and Frequency Reference Receiver
- Reduce the cost for precise time and frequency
- Eliminate calibration through GPS technology
- Improve reliability through HP quartz oscillators
GPS Receiver
- 8-channel, parallel-tracking
- HP SmartClock Enhanced GPS
- DC power options available
10 MHz Output Characterizations
- Frequency Accuracy (Locked): < 1 x 10¯²² for a one day average
- Holdover Aging (Unlocked): < 1 x 10¯²° per-day average frequency change in
24 hours of unlocked operation
- Output Level: > 1V p-p sine wave into 50 ohm load
1 pps Output Characteristics
- Jitter on Leading Edge (Locked): < 750ps rms
- Time Accuracy (Locked): <110ns with respect to UTC (USNO MC) - 95% probability
when unit is properly installed and calibrated
- Accumulated Time Error (Unlocked): < 8.6 µs / accumulated in 24 hours after
three days of locked operation with a fixed antenna location
- Output Level: > 2.4V pulse into 50 ohm load
- Pulse Width: 26 µs
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