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Appendix A | V5035 Operator and Installation Manual
GNS – GNSS Fix Data
Fix data for single or combined satellite navigation systems (GNSS).
This sentence provides fix data for GPS, GLONASS, possible future
satellite systems and systems combining these.
$-- GNS, hhmmss.ss, llll.ll, a, yyyyy.yy, a, c--c,xx,x.x,x.x,x.x,x.x,x.x,a *hh<CR><LF>
Field No. Format Description Remark
1 hhmmss.ss UTC of position
2 llll.ll, a Latitude, N/S
3 yyyyy.yy, a Longitude, E/W
4 c--c Mode indicator
5 xx Total number of satellites in use ignored
6 x.x HDOP ignored
7 x.x Antenna altitude, m, re:mean-sea-level (geoid) ignored
8 x.x Geoidal separation, m ignored
9 x.x Age of differential data ignored
10 x.x Differential reference station ID ignored
11 a Nacigational status indicator
GSA – GNSS DOP and Active Satellites
GNSS receiver operating mode, satellites used in the navigation
solution reported by the GGA or GNS sentences and DOP values. If
only GPS, GLONASS, etc. are used for the reported position solu-
tion, the talker ID is GP, GL, etc. and the DOP values pertain to the
individual system.
$--GSA, a, x, xx,xx,xx,xx,xx,xx,xx,xx,xx,xx,xx,xx,x.x,x.x,x.x*hh<CR><LF>
Field No. Format Description Remark
1 a
Mode:
M = manual, forced to operate in 2D or 3D mode
A = automatic, allowed to automatically switch
2D/3D
2 x Mode: 1 = fix not available, 2 = 2D, 3 = 3D
3
xx,xx,xx,xx,xx,
xx,xx,xx,xx,xx,
xx,xx
ID numbers of satellites used in solution
4 x.x PDOP
5 x.x HDOP
6 x.x VDOP
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