John Deere OMPC20964 Benutzerhandbuch
GS2 Display—StarFire iTC
OUO6050,0000ED9
–19–07NOV07–3/4
RMC - NMEA has its own version of essential gps pvt
(position, velocity, time) data. It is called RMC, The
Recommended Minimum, which will look similar to:
(position, velocity, time) data. It is called RMC, The
Recommended Minimum, which will look similar to:
RMC String Example
$GPRMC,123519,A,4807.038,N,01131.000,
E,022.4,084.4,230394,003.1,W*6A
Where:
RMC
Recommended Minimum sentence C
123519
Fix taken at 12:35:19 UTC
A
Status A=active or V=Void.
4807.038,N
Latitude 48 deg 07.038’ N
01131.000,E
Longitude 11 deg 31.000’ E
022.4
Speed over the ground in knots
084.4
Track angle in degrees True
230394
Date - 23rd of March 1994
003.1,W
Magnetic Variation
*6A
The checksum data, always begins with *
VTG - Velocity made good. The gps receiver may use the
LC prefix instead of GP if it is emulating Loran output.
LC prefix instead of GP if it is emulating Loran output.
VTG String Example
$GPVTG,054.7,T,034.4,M,005.5,N,010.2,K*33
where:
VTG
Track made good and ground speed
054.7,T
True track made good (degrees)
034.4,M
Magnetic track made good
005.5,N
Ground speed, knots
010.2,K
Ground speed, Kilometers per hour
*33
Checksum
ZDA - Data and Time
ZDA String Example
$GPZDA,hhmmss.ss,dd,mm,yyyy,xx,yy*CC
$GPZDA,201530.00,04,07,2002,00,00*6E
15-18
121907
PN=26
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