User's Manual
VT-M2M-TC VM
All Rights Reserved
2=Messagenumber
3=TotalnumberofSVsinview
4=SVPRNnumber
5=Elevationindegrees,90maximum
6=Azimuth,degreesfromtruenorth,000to359
7=SNR,00‐99dB(nullwhennottracking)
8‐11=InformationaboutsecondSV,
sameasfield4‐7
12‐15=InformationaboutthirdSV,sameasfield4‐7
16‐19=InformationaboutfourthSV,sameasfield4‐7
4.2.4GPRMC
RecommendedminimumspecificGPS/Transitdata
ex1:$GPRMC,081836,A,3751.65,S,14507.36,E,000.0,360.0,130998,011.3,E*62
ex2:$GPRMC,225446,A,4916.45,N,12311.12,W,000.5,054.7,191194,020.3,E*68
225446Timeoffix22:54:46UTC
ANavigationreceiverwarningA=OK,V=warning
4916.45,NLatitude49deg.16.45minNorth
12311.12,WLongitude123deg.11.12minWest
000.5Speedoverground,Knots
054.7CourseMadeGood,
True
191194Dateoffix19November1994
020.3,EMagneticvariation20.3degEast
*68mandatorychecksum
ex3:$GPRMC,220516,A,5133.82,N,00042.24,W,173.8,231.8,130694,004.2,W*70
123456789101112
1220516TimeStamp
2Avalidity‐A‐ok,V‐invalid
35133.82currentLatitude
4NNorth/South
500042.24currentLongitude
6WEast/West
7173.8Speedinknots
8231.8Truecourse
9130694DateStamp
10004.2Variation
11WEast/West
12*70checksum
ex4:$GPRMC,hhmmss.ss,A,llll.ll,a,yyyyy.yy,a,x.x,x.x,ddmmyy,x.x,a*hh