San Jose Navigation SANAV FV-M7 - Manual (Page 19)

19
GGA – GPS Fix Data
Position fix related data, such as position, time, number of satellites in use, etc..
$GPGGA,gga1,gga2,gga3,gga4,gga5,gga6,gga7,gga8,gga9,g
ga10,gga11,gga12,gga13,gga14*hh
Parameters Descriptions Notes
gga1 UTC time as position is fixed
hhmmss.sss: hh – hour; mm –
minute; ss.sss – second
gga2 Latitude
ddmm.mmmmmm: dd – degree;
mm.mmmmmm – minute (0 o ~
90 o )
gga3 Latitude sector N – North; S - South
gga4 Longitude
dddmm.mmmmmm: dd –
degree; mm.mmmmmm –
minute (0 o ~ 180 o )
gga5 Longitude sector E – East; W - West
gga6 GPS quality indicator
0 – No fixed or invalid position
1 – SPS Position available
2 – Differential GPS (SPS)
gga7
Number of SVs used in position
estimation
xx: 00 ~ 12
gga8 HDOP xx.xx: 00.00 ~ 99.99
gga9
Altitude above mean sea level
(geoid)
xx.xxx: 00.000 ~ 99.999
gga10 Unit for Altitude M: meter
gga11 Geoidal separation
gga12 Unit for geoidal separation M: meter
gga13 Age of differential corrections
unit : second; null when DGPS is
not used
gga14 Reference station ID (DGPS) xxxx: 0000 ~ 1023
hh Checksum hex number (2 – character)
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