Hardware manual

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990-0000058-1000 Rev F Page 29
$--GXY,xxxxxx.xxx,a,yyyyyy.yyy,b,hhmmss.ss,*hh<CR><LF>
Table 4-7 GXY-Geographic Position X and Y Coordinates
ARGUMENT
DESCRIPTION
xxxxxx.xxx Double floating point numeric, may have leading negative sign.
Represents horizontal axis of plane (X coordinate)
a Character label for X ( Must be valid ASCII character, but value is
ignored)
yyyyyy.yyy Double floating point numeric, may have leading negative sign.
Represents horizontal axis of plane (Y coordinate)
b Character label for Y ( Must be valid ascii character, but value is ignored)
hhmmss.ss Time of position fix. Hours|Minutes|Seconds.decimal - 2 fixed digits of
hours, 2 fixed digits of minutes, 2 fixed digits of seconds and a variable
number of digits for decimal fractions of seconds. Always pad with
leading zeros.
NOTE:
The hhmmss.ss field is optional.
GGU - Geographic Position - X and Y Coordinates
X and Y coordinates of the present vessel position, time of position fix and status.
$--GGU,xxxxxxxx.x,a,yyyyyyyy.y,b,hhmmss.ss,*hh<CR><LF>
Table 4-8 GGU-Geographic Position X and Y Coordinates
ARGUMENT
DESCRIPTION
xxxxxx.xxx Double floating point numeric, may have leading negative sign.
Represents horizontal axis of plane (X coordinate)
a Character label for X ( Must be valid ASCII character, but value is
ignored)
yyyyyy.yyy Double floating point numeric, may have leading negative sign.
Represents horizontal axis of plane (Y coordinate)
b Character label for Y ( Must be valid ascii character, but value is ignored)
hhmmss.ss Time of position fix. Hours|Minutes|Seconds.decimal - 2 fixed digits of
hours, 2 fixed digits of minutes, 2 fixed digits of seconds and a variable
number of digits for decimal fractions of seconds. Always pad with
leading zeros.