M12 Oncore Users Guide Supplement - deetc - isel
M12 Oncore Users Guide Supplement - deetc - isel
M12 Oncore Users Guide Supplement - deetc - isel
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8. Performance<br />
8.1 Accuracy<br />
Motorola GPS Products<br />
<strong>M12</strong> <strong>Oncore</strong> User’s <strong>Guide</strong> <strong>Supplement</strong><br />
Revision 1.0 01/25/00<br />
Position 25 m SEP without SA<br />
100 m 2DRMS (95%) with SA<br />
1 to 5 m typical in differential mode<br />
Altitude 156 m RMS (95%)<br />
Velocity 0.02 m/s without SA<br />
Time pulse UTC ± 500 ns with SA on<br />
8.2 Dynamic limits<br />
Velocity 515 m/s maximum at altitudes > 18000 m<br />
Altitude -1000 m minimum<br />
Acceleration 4 G maximum<br />
Jerk 5 m/s 3 maximum<br />
8.3 Startup time (TTFF)<br />
Hot (date, time, position, almanac, ephemeris) 15 s<br />
Warm (date, time, position, almanac, olt) 45 s<br />
Cold (no stored information) 70 s<br />
8.4 Reacquisition time<br />
8.5 RFI<br />
8.6 EMI<br />
After 60 s obstruction 3.5 s<br />
Internal < 1.0 s<br />
18000 m maximum at velocities > 515 m/s<br />
Jamming resistance Resistant to narrow band CW jamming at the<br />
receiver input of +20dBm at less than 1525<br />
MHz and greater than 1625 MHz for loss of<br />
lock with a signal input of –130 dBm<br />
Burnout protection Protected from damage by RF signals at<br />
frequencies100 MHz or more from L1 with<br />
received power up to 1 W at the antenna<br />
Radiated Complies with Class B, Part 15 of FCC rules<br />
Conducted Complies with European CE requirements<br />
Tested to IEC 801-4 spec for fast transients<br />
at 500 V, 5/50 ns, 5 kHz<br />
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