Specifications

Command/Response Formats 165
Commands
$PASHQ,GXP,c
Query horizontal position where c is the optional output serial port.
Example: $PASHQ,GXP,A <enter>
$GPGXP
The response message is in the form:
$GPGXP,m1,m2,c3,m4,c5*cc <enter>
Example:
Query: $PASHQ,GXP <enter>
Response:
$GPGXP,212958.00,3722.396956,N,12159.849225,W*7A <enter>
Table 6.98 on page 165 describes each item in a typical GXP message.
Table 6.97: GXP Message Structure
Parameters Description Range
m1 UTC of fix in hours, minutes and seconds
(hhmmss.ss)
00-235959.90
m2 Latitude in degrees and decimal minutes
(ddmm.mmmmmm)
0 - 90.00
c3 Direction of latitude N = North, S = South N/S
m4 Longitude in degrees and decimal minutes
(dddmm.mmmmmm)
0 - 180.00
c5 Direction of longitude E = East, W = West W/E
cc checksum
Table 6.98: Typical GXP Message
Item Significance
$GPGXP Header
212958.00 UTC time of position
3722.396956 Latitude
N North Latitude
12159.849225 Longitude