3: Message number.
4: Message mode: c = complete route, all waypoints, w
= working , 1st listed waypoint is ‘FROM’, 2nd is ‘TO’ and
remaining are the rest. c/w can be set to c or w (default
w).
5: Route identifier, always 00 (Active Route only).
6 - 16: Waypoint identifiers, (less than 11 waypoints may
be in the message).
The number of remaining waypoints can be set to 1, 2 or
“all” (default all) shortening the drawn track on the plot-
ter.
17: Checksum can be set on or off (default on).
WPL - Waypoint Location - NMEA 0183
Standard:
Latitude and Longitude of specified waypoint. The con-
tent of this sentence will normally be the position of the
next waypoint in the route.
The CFG1 NMEA out WPL has a special “Send All” option.
Selecting this feature will send all the waypoints in the
Waypoint Bank once, independent of the WPL sentence
setup as ON or OFF. This format conforms to the NMEA
0183 standard.
WPL can be sent as version 1.5, 2.0 or 2.1.
field#: 2 3 4 5 6 7
$GPWPL,llll.ll,a,yyyyy.yy,a,cccc*hh <CR><LF>
explanation / actual use:
2 & 3: Waypoint Latitude, North or South, N/S number of
decimals can be set to 2, 3, 4 or 5 (default 2).
4 & 5: Waypoint longitude, East or West, E/W number of
decimals can be set to 2, 3, 4 or 5 (default 2).
6: Waypoint identifier.
7: Checksum can be set on or off (default on).
The WPL record can also contain the description informa-
tion when Include Waypoint Names in the CFG1 NMEA,
Details is selected.
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