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Log
GPVTG
GPZDA
RTCA Format Logs
RTCA1
RTCAEPHEM
RTCAOBS
RTCAREF
Description and fields that follow header ID
Track made good and ground speed
$gpvtg, track true, t ind, track
made good, m track ind, speed kn,
n speed ind, speed km, k speed ind
UTC time and date
$gpzda, utc, day, month, year,
rsrvd, rsrvd
Type 1 differential GPS corrections
Type 7 ephemeris information
Type 7 differential observations
Type 7 base station parameters
Tag
Recommended Input
226
V123_
log gpvtg ontime 1
NMEA
227
V123_
log gpzda ontime 1
NMEA
10
V123_
log com2 rtca1 ontime 10
DGPS
3
347
V123_
log com2 rtcaephem
DGPS
ontime 10 7
6
V123_RT20
log com2 rtcaobs ontime
V23_RT2
2
11
V123_RT20
log com2 rtcaref ontime
V23_RT2
10
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