NMEA Commands 251
NMEA Commands
Typical response message:
$GPGXP,212958.00,3722.396956,N,12159.849225,W*7A
Table 8.23 describes each item in a typical GXP message.
LTN: Position Output Latency
$PASHS,NME,LTN,x,s,[f]
Enable or disable message containing latency information on port x, where x is the
output port (A or B), s is ON or OFF, and f is the optional message output rate
ranging from 0.05 to 999 seconds depending on the measurement update rate
option installed.
If the command is set without a period, the DG16 uses the period set by the
$PASHS,NME,PER command If the $PASHS,NME,PER command is issued after
this message period has been set, the period resets to the PER setting.
The receiver outputs this message even when a position is not computed.
c3 Direction of latitude N = North
S = South
m4 Longitude in degrees and decimal
minutes (dddmm.mmmmmm)
0 - 180.00
c5 Direction of longitude E = East,
W = West
cc checksum
Table 8.23. Typical GXP Message
Item Significance
$GPGXP Header
212958.00 UTC time of position
3722.396956 Latitude
N North Latitude
12159.849225 Longitude
W West Longitude
*7A checksum
Table 8.22. GXP Message Structure (Continued)
Parameter Description Range
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