141
RMC: Recommended Minimum Specific GNSS Data
$GPRMC,m1,c2,m3,c4,m5,c6,f7,f8,d9,f10,c11,c12*cc
SBD: BEIDOU Satellites Status
$PASHR,SBD,d1,n(d2,d3,d4,f5,f6,f7,c8,c9)*cc
Parameter
Description
Range
m1
Current UTC time of position (hhmmss.ss)
000000.00-
235959.99
c2
Status
• A: Data valid
• V:
A, V
m3
Latitude of position (ddmm.mmmmmm)
0-90
0-59.999999
c4
Direction of latitude
N, S
m5
Longitude of position (dddmm.mmmmmm)
0-180
0-59.999999
c6
Direction of longitude
E,W
f7
Speed Over Ground, in knots
000.0-999.9
f8
Course Over Ground, in degrees (true)
000.0-359.9
d9
Date (ddmmyy)
010100-311299
f10
Magnetic variation, in degrees
0.00-99.9
c11
Direction of variation
E, W
c12
Mode indicator:
• A: Autonomous mode
• D: Differential mode
• N: Data not valid
A, D, N
*cc
Checksum
*00-*FF
Parameter
Description
Range
d1
Number of visible satellites
0-37
d2
Satellite PRN number
1-37
d3
Satellite azimuth, in degrees
0-359
d4
Satellite elevation, in degrees
0-90
f5
Satellite B1 signal/noise in dB.Hz
0.0-60.0
f6
Satellite B2 signal/noise in dB.Hz
0.0-60.0
f7
Satellite B3 signal/noise in dB.Hz
0.0-60.0
c8
Satellite usage status
c9
Satellite correcting status
*cc
Checksum
*00-*FF
Содержание SP90m
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