Technical reference
Page 62
6.8.8
GGA - Global positioning system (GPS) fix data
This sentence provides time, position and fix related data from a GPS receiver.
6.8.9
GLL - Geographic position, latitude and longitude
This sentence provides the latitude and longitude for vessel position along with fix time and status.
6
x.x
Probability of missed detection for most likely failed satellite - NOT USED
7
x.x
Estimate of bias on most likely failed satellite - NOT USED
8
x.x
Standard deviation of bias estimate - NOT USED
$--GGA, hhmmss.ss, llll.ll, a, yyyyy.yy, a, x, xx, x.x, x.x, M, x.x, M, x.x, xxxx*hh<CR><LF>
Field
number
Description
1
hhmmss.ss
UTC time of position fix
2
llll.ll, a
Latitude N/S
3
yyyyy.yy, a
Longitude E/W
4
x
GPS quality indicator
5
xx
No. of satellites in use, 00-12 - NOT USED
6
x.x
Horizontal dilution of precision - NOT USED
7
x.x
Antenna altitude above/below mean sea level (geoid) - NOT USED
8
M
Units of antenna altitude, m - NOT USED
9
x.x
Geoidal separation - NOT USED
10
M
Units of geoidal separation, m - NOT USED
11
x.x
Age of diff. GPS data - NOT USED
12
xxxx
Differential reference station ID 0000-1023 - NOT USED
$--GLL, llll.ll, a, yyyyy.yy, a, hhmmss.ss, A, a *hh<CR><LF>
Field
number
Description
1
llll.ll, a
Latitude, N/S
2
yyyyy.yy, a
Longitude , E/W
$--GBS, hhmmss.ss, x.x, x.x, x.x, xx, x.x, x.x, x.x *hh <CR><LF>
Содержание CLA1000 class A AIS
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