Digifly AIR Pro BT - Page 41

Page 41
Age of Diff. Corr.
second
Null fields when DGPS is not used
Diff. Ref. Station ID
0000
Checksum
*18
Nmea checksum
<CR><LF>
End of message termination
Note 3 :
0 Fix not available or invalid
1 GPS SPS Mode, fix valid
2 Differential GPS, SPS Mode, fix valid
3-5 Not Supported GPS PPS Mode, fix valid
6 Dead Reckoning Mode, fix valid
$GPRMC, 161229.487, A, 3723.2475, N, 12158.3416, W, 0.13, 309.62, 120598, ,A*10<CR><LF>
Name
Example
Unit
Description
Message ID
$GPRMC
RMC protocol header
UTC Position
161229.48
7
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
12158.341
6
dddmm.mmmm
E/W Indicator
W
E=east or W=west
Speed Over Ground
0.13
knots
Course Over Ground
309.62
degrees
True
Date
120598
ddmmyy
Magnetic Variation
degrees
E=east or W=west
Mode
A
A=Autonomous, D=DGPS, E=DR
Checksum
*10
Nmea checksum
<CR><LF>
End of message termination
$PDGFTL1,2025,2000,250,-14,45,134,28,65,382,153*3D<CR><LF>
Name
Example
Unit
Description
Baro Altitude QNE(1013.25)
2025
meter
2025 mt
Baro Altitude QNH
2000
meter
2000 mt
Vario
250
cm/sec
+2,50 m/s
Netto Vario
-14
dm/sec
-1,40 m/s
Indicated Air Speed
45
km/h
45 km/h
Ground Efficiency
134
ratio
13,4 : 1