NMEA Message Formats
F.8
Syntax
Description of fields
GNS - GNSS Fix Data
$--GNS,hhmmss.ss,llll.ll,a,yyyyy.yy,a,c--c,xx,x.x,x.x,x.x,x.x,xxxx*hh<CR><LF>
Field
Description
$--GNS
Header including talker ID
hhmmss.ss
UTC time of position
llll.ll
Latitude (WGS 1984)
a
Hemisphere, North or South
yyyyy.yy
Longitude (WGS 1984)
a
East or West
c--c
Mode indicator
N = Satellite system not used in position fix or fix not valid
A = Autonomous; navigation fix, no real-time fix
D = Differential; real-time position, ambiguities not fixed
R = Real-time kinematic; ambiguities fixed
xx
Number of satellites in use, 00 to 99
x.x
HDOP
x.x
Altitude of position marker above/below mean sea level in metres. If no ortho-
metric height is available the local ellipsoidal height will be exported. If the
local ellipsoidal height is not available either, the WGS 1984 ellipsoidal
height will be exported.
TPS1200
1356