Bedienungsanleitung GlobalSat EM 406A

GlobalSat EM 406A



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Navigationsgeraet GlobalSat EM 406A

Vorschau GlobalSat EM 406A Handbuch:
Features: SiRF starⅢ high performance GPS Chip Set Very high sensitivity (Tracking Sensitivity: -159 dBm) Extremely fast TTFF (Time To First Fix) at low signal level Support NMEA 0183 data protocol Built-in SuperCap to reserve system data for rapid satellite acquisition Built-in patch antenna LED indicator for GPS fix or not fix LED OFF: Receiver switch off LED ON: No fixed, Signal searching LED Flashing: Position Fixed Specification: General Chipset SiRF StarⅢ Frequency L1, 1575.42 MHz C/A code 1.023 MHz chip rate Channels 20 channel all-in-view tracking Sensitivity -159 dBm Accuracy Position 10 meters, 2D RMS 5 meters, 2D RMS, WAAS enabled Velocity 0.1 m/s Time 1us synchronized to GPS time Datum Default WGS-84 Acquisition Time Reacquisition 0.1 sec., average Hot start 1 sec., average Warm start 38 sec., average Cold start 42 sec., average Dynamic Conditions Altitude 18,000 meters (60,000 feet) max Velocity 515 meters /second (1000 knots) max Acceleration Less than 4g Jerk 20m/sec **3 Power Main power input 4.5V ~ 6.5V DC input Power consumption 44mA Protocol Electrical level TTL level, Output voltage level: 0V ~ 2.85V RS-232 level Baud rate 4,800 bps Output message NMEA 0183 GGA, GSA, GSV, RMC, VTG, GLL Physical Characteristics Dimension 30mm*30mm*10.5mm ±0.2mm Operating temperature -40℃ to +85℃ Pin Assignment Pin description * VIN (DC power input): This is the main DC supply for a 4.5V ~6.5 DC input power. * TX: This is the main transmits channel for outputting navigation and measurement data to user’s navigation software or user written software. * RX: This is the main receive channel for receiving software commands to the engine board from SiRFdemo software or from user written software. * GND: GND provides the ground for the engine board. Connect all grounds. * 1PPS This pin provides one pulse-per-second output from the engine board that is synchronized to GPS time. SOFTWARE COMMAND NMEA Output Command GGA-Global Positioning System Fixed Data Table B-2 contains the values for the following example: $GPGGA,161229.487,3723.2475,N,12158.3416,W,1,07,1.0,9.0,M,,,,0000*18 Table B-2 GGA Data Format Name Example Units Description Message ID $GPGGA GGA protocol header UTC Time 161229.487 hhmmss.sss Latitude 3723.2475 ddmm.mmmm N/S Indicator N N=north or S=south Longitude 12158.3416 dddmm.mmmm E/W Indicator W E=east or W=west Position Fix Indicator 1 See Table B-3 Satellites Used 07 Range 0 to 12 HDOP 1.0 Horizontal Dilution of Precision MSL Altitude1 9.0 meters Units M meters Geoid Separation1 meters Units M meters Age of Diff. Corr. second Null fields when DGPS is not used Diff. Ref. Station .....
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