M12 Oncore Users Guide Supplement - deetc - isel

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7. RF Requirements for Antenna 7.1 General Motorola GPS Products M12 Oncore User’s Guide Supplement Revision 1.0 01/25/00 Frequency 1575.42 MHz (L1) Bandwidth ± 1.023 MHz Polarization Right hand circular Impedance 50 Ω 7.2 Gain requirement 16 dB to 30 dB (at receiver input) 7.3 Gain Pattern +0 dBic minimum at zenith 7.4 Noise figure 1.8 dB typical -10 dBic minimum at 0° elevation 2.2 dB maximum 7.5 VSWR 1.5:1 typical 2.5:1 maximum 7.6 Axial ratio 3 dB typical at zenith 6 dB maximum at zenith 7.7 1 dB compression point -14 dBm typical (at antenna output) 7.8 3 dB frequency bandwidth 45 MHz maximum 7.9 25 dB frequency rejection ± 95 MHz 7.10 Ground plane 15 x 15 cm recommended 7.11 Power Voltage 2.8 V to 3.2 V, or 4.75 V to 5.25 V Current 15 mA typical 7.12 Temperature 3.0 V typical, or 5.0 V typical 25 mA maximum Operating -40°C to +85°C Storage -40°C to +100°C 8
8. Performance 8.1 Accuracy Motorola GPS Products M12 Oncore User’s Guide Supplement Revision 1.0 01/25/00 Position 25 m SEP without SA 100 m 2DRMS (95%) with SA 1 to 5 m typical in differential mode Altitude 156 m RMS (95%) Velocity 0.02 m/s without SA Time pulse UTC ± 500 ns with SA on 8.2 Dynamic limits Velocity 515 m/s maximum at altitudes > 18000 m Altitude -1000 m minimum Acceleration 4 G maximum Jerk 5 m/s 3 maximum 8.3 Startup time (TTFF) Hot (date, time, position, almanac, ephemeris) 15 s Warm (date, time, position, almanac, olt) 45 s Cold (no stored information) 70 s 8.4 Reacquisition time 8.5 RFI 8.6 EMI After 60 s obstruction 3.5 s Internal < 1.0 s 18000 m maximum at velocities > 515 m/s Jamming resistance Resistant to narrow band CW jamming at the receiver input of +20dBm at less than 1525 MHz and greater than 1625 MHz for loss of lock with a signal input of –130 dBm Burnout protection Protected from damage by RF signals at frequencies100 MHz or more from L1 with received power up to 1 W at the antenna Radiated Complies with Class B, Part 15 of FCC rules Conducted Complies with European CE requirements Tested to IEC 801-4 spec for fast transients at 500 V, 5/50 ns, 5 kHz 9
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Page 3 and 4: General Characteristics Performance
Page 5 and 6: 3. Mechanical 3.1 Mechanical Drawin
Page 7: 5.2 Main power Motorola GPS Product
Page 11 and 12: 10. Serial I/O Messages 10.1 Soluti
Page 13 and 14: Motorola GPS Products M12 Oncore Us
Page 15 and 16: Input Command Response Message Moto
Page 17 and 18: Input Command SATELLITE IGNORE LIST
Page 25 and 26: Input Command POSITION-HOLD POSITIO
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Input Command Response Message Moto
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Input Command Response Message @ #
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Response Message (Continued) Motoro
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Motorola GPS Products M12 Oncore Us
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Motorola GPS Products M12 Oncore Us
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Output Command Motorola GPS Product
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Input Command GPGLL (GEOGRAPHIC POS
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Satellite Mask Angle Function Contr
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Position-Hold Position Function Inp
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RTCM Port Mode Function Sets the ba
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Almanac Data Output Function Output
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Almanac Data Input Function Manuall
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ASCII Position Output Function The
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Position Control Function Sets the
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Oscillator Learning Function Reques
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Controller ID cid Run Command run M
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