Rmc-recommended minimum specific gnss data, Reb-3300 operational manual – RoyalTek REB-3300 User Manual
Page 18
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REB-3300 Operational Manual
Table 5
GGA Data Format
Name Example
Units
Description
Message ID
$GPGSV
GSV protocol header
Number of
Messages
1
2
Range 1 to 3
Messages Number
1
1
Range 1 to 3
Satellites in View
07
Satellite ID
07
Channel 1(Range 1 to 32)
Elevation
79
degrees Channel 1(Maximum 90)
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(Maximum 90)
Azimuth
138
degrees Channel 4(True, Range 0 to 359)
SNR (C/No)
42
dBHz Range 0 to 99, null when not
tracking
Checksum *71
CRLF
End of message termination
1
Depending on the number of satellites tracked multiple messages of GSV data may be required.
RMC-Recommended Minimum 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
Table 6
GGA Data Format
Name Example
Units
Description
Message ID
$GPRMC
RMC protocol header
UTC Position
161229.487 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