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Globalsat EM-406, Руководство пользователя

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Globalsat EM-406 Скачать руководство пользователя страница 9

 

 

 

VTG-Course Over Ground and Ground Speed 

 

 

    $GPVTG,309.62,T,,M,0.13,N,0.2,K*6E 

 

 

 

 

 

 

Name Example

Units

Description 

Message ID 

$GPVTG

VTG protocol header 

Course 309.62 

degrees

Measured heading

Reference T 

True

Course  

degrees

Measured heading

Reference  

M 

Magnetic

Speed 0.13 

knots

Measured 

horizontal 

speed 

Units 

N Knots

Speed 0.2 

Km/hr

Measured horizontal speed 

Units K 

Kilometers 

per hour 

Checksum *6E 

<CR><LF>  

End 

of 

message termination 

 

 

Содержание EM-406

Страница 1: ...ENGINE BOARD EM 406 GlobalSat Technology Corporation 台北縣中和市建一路 186 號 16 樓 遠東世紀廣場 16 No 186 Chien 1 Road 235Chung Ho City Taipei Hsien Taiwan R O C Tel 886 2 8226 3799 Rep Fax 886 2 8226 3899 Web www globalsat com tw E mail service globalsat com tw ...

Страница 2: ... or not fix LEDOFF 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 Acquisit...

Страница 3: ...n Less than 4g Jerk 20m sec 3 Power Main power input 4 5V 6 5V DC input Power consumption 70mA Protocol Electrical level TTL level Output voltage level 0V 2 85V Baud rate 4 800 bps Output message NMEA 0183 GGA GSA GSV RMC VTG GLL Physical Characteristics Dimension 30mm 30mm 10 5mm Operating temperature 40 to 85 ...

Страница 4: ...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 ...

Страница 5: ...mmm 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 ID 0000 Checksum 18 CR LF End of message termination SiRF Technology Inc does not support geoi...

Страница 6: ...le B 5 contains the values for the following example GPGSA A 3 07 02 26 27 09 04 15 1 8 1 0 1 5 33 Table B 5 GSA Data Format Name Example Units Description Message ID GPGSA GSA protocol header Mode1 A See Table B 6 Mode2 3 See Table B 7 Satellite Used1 07 Sv on Channel 1 Satellite Used1 02 Sv on Channel 2 Satellite Used1 Sv on Channel 12 PDOP 1 8 Position dilution of Precision HDOP 1 0 Horizontal ...

Страница 7: ...1 1 Range 1 to 3 Satellites in View 07 Satellite ID 07 Channel 1 Range 1 to 32 Elevation 79 degrees Channel 1 Maximum90 Azimuth 048 degrees Channel 1 True Range 0 to 359 SNR C No 42 dBHz Range 0 to 99 null when not tracking Satellite ID 27 Channel 4 Range 1 to 32 Elevation 27 Degrees Channel 4 Maximum90 Azimuth 138 Degrees Channel 4 True Range 0 to 359 SNR C No 42 dBHz Range 0 to 99 null when not ...

Страница 8: ...487 hhmmss sss Status A A data valid or V data not valid 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 Speed Over Ground 0 13 knots Course Over Ground 309 62 degrees True Date 120598 ddmmyy Magnetic Variation2 degrees E east or W west Checksum 10 CR LF End of message termination SiRF Technology Inc does not support ...

Страница 9: ...e ID GPVTG VTG protocol header Course 309 62 degrees Measured heading Reference T True Course degrees Measured heading Reference M Magnetic Speed 0 13 knots Measured horizontal speed Units N Knots Speed 0 2 Km hr Measured horizontal speed Units K Kilometers per hour Checksum 6E CR LF End of message termination ...

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