San Jose Navigation SANAV FV-M7 - Manual (Page 21)

21
GSA – GNSS DOP and Active Satellites
Receiver operating mode, the values of DOPs, and PRN numbers for satellites used
in the GGA position solution.
$GPGSA,gsa1,gsa2,(gsa3*12),gsa4,gsa5,gsa6*hh
Parameters Descriptions Notes
gsa1 Selection Mode
gsa2 Mode for position fix
1 – fix not available;
2 – 2D;
3 – 3D;
gsa3*12
PRN numbers for satellites used in the
position solution. There will be 12
available fields for PRN numbers. If
number of satellites is less than 12, the
remaining fields will be left as empty
fields. If number of satellites is greater
than 12, only the values of the first 12
satellites will be output.
xx
gsa4 PDOP 0 ~ 99.99 in meters
gsa5 HDOP 0 ~ 99.99 in meters
gsa6 VDOP 0 ~ 99.99 in meters
hh Checksum
hex number (2 –
character)
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