Marport Scala - Page 133

Scala | V7 | Appendix
NMEA Sentence Format
First compliant
version
of Scala
GGA - Global
Positioning
System Fix Data
$--GGA,hhmmss.ss,aaaa.aa,b,cccc.cc,d,e,ff,g.g,h.h,
M,i.i,M,j.j,kkkk*hh<CR><LF>
1.
$--: Talker identifier*
2.
GGA: Sentence formatter*
3.
hhmmss.ss: UTC of position*
4.
aaaaa.aa, b: Latitude North/South (N/S)*
5.
cccc.cc, d: Longitude East/West (E/W)*
6.
e: GPS quality indicator
7.
ff: Number of satellites in use (00-12)
8.
g.g: Horizontal dilution of precision
9.
h.h, M: Antenna altitude above/below mean sea level
(geoid), meters*
10.
i.i, M: Geoidal separation, meters
11.
j.j: Age of differential GPS data
12.
kkkk: Differential reference station ID
13.
*hh: Checksum*
1.0.0.0
GLL -
Geographic
Position -
Latt/Long
$--GLL,
aaaa.aa,L,bbbbb.bb,L,hhmmss.ss,C,d*hh<CR><LF>
1.
$--: Talker identifier*
2.
GLL: Sentence formatter*
3.
aaaa.aa,L: Latitude North/South (N/S)*
4.
bbbbb.bb,L: Longitude East/West (E/W)*
5.
hhmmss.ss: UTC of position*
6.
C: status (A= data valid / V: data not valid)*
7.
d: Mode indicator
8.
*hh: Checksum*
1.2.6.0
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