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Technical specications | HS80/HS80A/MX575C/MX575D User Manual
(4) GLL – Geographic Position - Latitude/Longitude
Latitude and Longitude of vessel position, time of position fix and status.
$GPGLL,llll.ll,a,yyyyy.yy,a,hhmmss.ss,A,a*hh<CR><LF>
1 2 3 4 5 6 7
¼ Notes:
1, 2 Latitude, N/S
3, 4 Longitude, E/W
5 UTC of position
6 Status
V - Invalid
A - Autonomous Mode
D - Differential Mode
7 Mode indicator
(5) GSA – GPS DOP and Active Satellites
GPS receiver operating mode, satellites used in the navigation solution reported by the
$GPGGA sentence, and DOP values.
$GPGSA,a,x,xx,xx,xx,xx,xx,xx,xx,xx,xx,xx,xx,xx,x.x,x.x,x.x,x*hh<CR><LF>
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
¼ Notes:
1 Mode:
M = Manual, forced to operate in 2D or 3D Mode
A = Automatic, allowed to automatically switch 2D/3D
2 Mode:
1 = Fix not available
2 = 2D
3 = 3D
3-14 PRN numbers of satellites used in solution (null
for unused fields)
15 PDOP
16 HDOP
17 VDOP
18 Signal type 1 for L1/CA
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