RACOM Midge MG102, Operating Manual

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Tab. 3.4: Reading of VTG data format
Description Units Name
VTG protocol header Message ID
Measured heading degrees Course
True Reference
Measured heading degrees Course
Magnetic Reference
Measured horizontal speed knots Speed
Knots Units
Measured horizontal speed km/hr Speed
Kilometers per hour Units
A=Autonomous mode, N=Data not valid Mode indicator
Checksum
End fo message termination <CR><LF>
GSV–GNSS Satellites in View
Example 3.5. GSV data format
$GPGSV,3,1,11,02,35,268,41,04,28,222,37,07,69,161,36,08,33,199,31*7E
$GPGSV,3,2,11,10,77,255,39,13,62,061,33,05,23,305,,16,19,047,*7E
$GPGSV,3,3,11,20,02,135,,23,30,078,,29,01,333,*4A
Tab. 3.5: Reading of GSV data format
Description Units Name
GSV protocol header Message ID
Range 1 to 3 Number of Messages
Range 1 to 3 Message Number
Satellites in View
Channel 1 (Range 1 to 32) Salellite ID
Channel 1 (Maximum 90) degrees Elevation
Channel 1 (True, Range 0 to 359) degrees Azimuth
Range 0 to 99, null when not tracking dBHz SNR (C/No)
... ...
Channel 4 (Range 1 to 32) Salellite ID
Channel 4 (Maximum 90) degrees Elevation
Channel 4 (True, Range 0 to 359) degrees Azimuth
Range 0 to 99, null when not tracking dBHz SNR (C/No)
Checksum
End fo message termination <CR><LF>
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