Gsv-Gnss Satellites In View; Rmc-Recommended Minimum Specific Gnss Data - Professor REB-3000 Series Operational Manual

Professor RGM-3000/REB-3000
GPS Module Operational Manual)
Table 4 GSA Data Format
Name
Message ID
Mode 1
Mode 2
Satellite Used
Satellite Used
....
Satellite Used
PDOP
HDOP
VDOP
Checksum
CR LF
Table 4-1 Mode 1
Value
1
2
3
Table 4-2 Mode 2
Value
M
A

GSV-GNSS Satellites in View

Table 5 contains the values of the following
example: $GPGSV, 2, 1, 07, 07, 79,
048, 42, 02, 51, 062, 43, 26, 36,
Table 5 GSV Data Format
Name
Message ID
Number of Messages
1
Messages Number
Satellites in View
Satellite ID
Elevation
Azimuth
SNR (C/No)
....
Satellite ID
Elevation
Azimuth
SNR (C/No)
Checksum
CR LF
1
Depending on the number of satellites
tracked multiple messages of GSV data may
be required.
RMC-Recommended Minimum
Example Units
$GPGSA
A
3
07
02
1.8
1.0
1.5
*33
Fix not available
2D
3D
Manual-forced to operate in 2D or 3D mode
Automatic-allowed to automatically switch 2D/3D
Example Units
$GPGSV
1
2
1
07
07
79 degrees
048 degrees
42 dBHz
27
27 degrees
138 degrees
42 dBHz
*71
Description
GSA protocol header
See Table 4-2
See Table 4-1
Sv on Channel 1
Sv on Channel 2
....
Sv on Channel 12
Position Dilution of Precision
Horizontal Dilution of Precision
Vertical Dilution of Precision
End of message termination
Description
Description
256, 42, 27, 27, 138,
42*71$GPGSV, 2, 2, 07, 09, 23,
313, 42, 04, 19, 159, 41, 15, 12,
041, 42*41
Description
GSV protocol header
Range 1 to 3
Range 1 to 3
Channel 1(Range 1 to 32)
Channel 1(Maximum 90)
Channel 1(True, Range 0 to 359)
Range 0 to 99, null when not tracking
....
Channel 4(Range 1 to 32)
Channel 4(Maximum 90)
Channel 4(True, Range 0 to 359)
Range 0 to 99, null when not tracking
End of message termination
Specific GNSS Data
Table 6 contains the values of the following
example: $GPRMC, 161229.487, A,
3723.2475, N, 12158.3416, W, 0.13,
309.62, 120598, ,*10
19