Field
Description
*hh
Checksum
<CR>
C
arriage
R
eturn
<LF>
L
ine
F
eed
For NMEA v4.0 and v4.1:
Standard Talker ID = GPS only
$GPGGA,141909.00,4724.5294609,N,00937.0836236,E,1,09,1.0,366.745,M,
100.144,M,,*52
Standard Talker ID = GNSS
$GNGGA,142309.00,4724.5296834,N,00937.0832766,E,1,16,0.7,366.740,M,
100.144,M,,*4E
E.4
GGK - Real-Time Position with DOP
$--GGK,hhmmss.ss,mmddyy,llll.ll,a,yyyyy.yy,a,x,xx,x.x,EHTx.x,M*hh<CR><LF>
Field
Description
$--GGK
Header including Talker ID
hhmmss.ss
UTC time of position
mmddyy
UTC date
llll.ll
Latitude (WGS 1984)
a
Hemisphere,
N
orth or
S
outh
yyyyy.yy
Longitude (WGS 1984)
a
E
ast or
W
est
x
Position quality indicator
0 = Fix not available or invalid
1 = No real-time position, navigation fix
2 = Real-time position, ambiguities not fixed
3 = Real-time position, ambiguities fixed
5 = Real-time position, float
xx
Number of satellites in use. For $GNGGK messages: The
combined GPS, GLONASS, Galileo and BeiDou satellites used
in the position.
x.x
GDOP
EHT
Ellipsoidal height
x.x
Altitude of position marker as local ellipsoidal height. If the
local ellipsoidal height is not available, the WGS 1984 ellip-
soidal height will be exported.
M
Units of altitude as fixed text M
*hh
Checksum
<CR>
C
arriage
R
eturn
Examples
Syntax
Description of fields
NMEA Message Formats
1017