Data Sheet

GPS Module
L80 GPS Protocol Specification
L80_GPS_Protocol_Specification Confidential / Released 10 / 41
Data valid
‘V’ =Invalid
‘A’ = Valid
Latitude
Latitude in format ‘ddmm.mmmm’ (degree and minutes)
N/S
‘N’ = North
‘S’ = South
Longitude
Longitude in format ‘dddmm.mmmm’ (degree and minutes)
E/W
‘E’ = East
‘W’ = West
Fix status
‘0’ =Invalid
‘1’ = GNSS fix
‘2’ = DGPS fix
Number of SV
Number of satellites being used (0 ~ 12)
HDOP
Horizontal Dilution Of Precision
Altitude
Altitude in meters according to WGS84 ellipsoid
M
Fixed field, meter
GeoID separation
Height of GeoID (mean sea level) above WGS84 ellipsoid, meter
M
Fixed field, meter
DGPS age
Age of DGPS data in seconds, empty if DGPS is not used
DGPS station ID
DGPS station ID, empty if DGPS is not used
*
End character of data field
Checksum
Hexadecimal checksum
<CR><LF>
Each of message
2.4. GPGSA
GSA, GNSS DOP and Active Satellites, provides details on the fix, including the numbers of the satellites
being used and the DOP. At most the first 12 satellite IDs are output.
Example:
$GPGSA,A,3,14,06,16,31,23,,,,,,,,1.66,1.42,0.84*0F<CR><LF>
Field
Description
Quectel
Confidential