Gpgsa - Gnss Dop; Gpgsv - Gns - RightWay Trine XL Version 1.0 User Manual

RightWay GPS – The Right Features, The Right Price, RightWay GPS
3.4 GPGSA - GNSS DOP and Active Satellites
Example
$GPGSA,A,3,05,02,26,27,09,04,15, , , , , ,1.8,1.0,1.5*11
Explanation
Contents
Message ID
Mode 1
Mode 2
Satellite used in solution
Satellite used in solution
...
PDOP
HDOP
VDOP
checksum
<CR><LF>
3.5 GPGSV - GNSS Satellites in View
Example
$GPGSV,2,1,07,07,79,048,42,02,51,062,43,26,36,256,42,27,27,138,42*71
$GPGSV,2,2,07,09,23,313,42,04,19,159,41,15,12,041,42*41
Explanation
Contents
Message ID
Number of messages
Message number
Satellites in view
Satellite ID number
Elevation
Azimuth
SNR (C/No)
...
Satellite ID number
Elevation
Azimuth
SNR (C/No)
checksum
<CR><LF>
Example Explanation
$GPGSA GSA protocol header
A M: Manual—forced to operate in 2D or 3D mode
A: 2D Automatic—allowed to automatically switch 2D/3D
3 1: Fix not available
2: 2D (< 4 Satellites used)
3: 3D (> 3 Satellite s used)
05 Satellite on Channel 1
02 Satellite on Channel 2
Display of quantity used (12 max)
1.8 Position Dilution of Precision
1.0 Horizontal Dilution of Precision
1.5 Vertical Dilution of Precision
*11
End of sentence
Example Unit Explanation
$GPGSV GSV protocol header
2 Range 1 to 3
1 Range 1 to 3
07 Number of satellites visible from receiver
07 Channel 1 (Range 1 to 32)
79 degrees Elevation angle of satellite as seen from
receiver channel 1 (00 to 90)
048 degrees Satellite azimuth as seen from receiver
channel 1 (000 to 359)
42 dBHz Received signal level C/No from receiver
channel 1 (00 to 99, null when not tracking)
27 Channel 4 (Range 1 to 32)
27 degrees Elevation angle of satellite as seen from
receiver channel 4 (00 to 90)
138 degrees Satellite azimuth as seen from receiver
channel 4 (000 to 359)
42 dBHz Received signal level C/No from receiver
channel 4 (00 to 99, null when not tracking)
*71
End of sentence
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