Appendix A
Technical Specifications
A.1 SUPERSTAR II Family Performance
PERFORMANCE*
Position Accuracy: | DGPS | <1 m (CEP) |
| Single Point | <5 m (CEP) |
| SBAS | <1.5 m (CEP) |
Time to First Fix: | Hot start: 15 s typical, with current almanac, position, time and | |
| ephemeris |
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| Warm start: 45 s typical, with current almanac, position and time | |
| Cold start: 2 min. typical, no almanac, no position and no time | |
Signal | < 1 s (typical) (5 second obscuration) | |
Dynamics: |
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Velocity: | 514 m/s (limited by US and Canadian export laws) | |
Acceleration: | 4 G (39.2 m/s2) |
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Jerk: | 2 m/s3 |
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Altitude: | 18 km (60,000 ft.) (limited by US and Canadian export laws) | |
A.2 SUPERSTAR II GPS Card
| GENERAL CHARACTERISTICS* | ||
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SBAS Support (for example WAAS and EGNOS) |
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L1 Frequency: |
| 1,575.42 MHz |
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Minimum Tracking Sensitivity: |
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| HARDWARE SPECIFICATIONS* | ||
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Input Voltage: |
| +3.3 VDC or +5.0 VDC | |
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Power Consumption |
| 0.8 W typical at 5.0 VDC with a passive antenna | |
| 0.5 W typical at 3.3 VDC with a passive antenna | ||
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RF Input |
| MCX connector, 50 Ω impedance | |
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Operational Signal Level Input |
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“Keep Alive” Mode: |
| Input voltage | 2.5 to 4.5 VDC |
| Current draw | < 1 mA (5V) | |
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| < 50 µA (RTC only) |
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Serial Communications: |
| 2 x TTL level asynchronous data ports from 300 up to 19 200 | |
| bps) |
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44 | SUPERSTAR II User Manual Rev 3 |
