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Waypoint
Operator's Manual
WPL - Waypoint with Symbols & Description - NMEA 0183 Expanded:
-. Latitude and Longitude of specified waypoint. The content of this
sentence will normally be the position of the next waypoint in the
route.
The CFGl 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
does not strictly conform to the NMEA 0183 standard, and may not
work with all equipment.
It
is provided for your use to store data on a
PC using normal ASCII text editors.
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
~zzzzzzzzzz*hh
<CR><LF>
explanation I actual use:
2
&
3:
Waypoint Latitude, North or South, N/S number of deci-
mals can be set to 2, 3,4 or 5 (default 2).
4 & 5:
Waypoint longitude, East or West, EIW number of decimals
can be set to 2, 3, 4 or 5 (default 2).
6.
Waypoint identifier; 4 place numeric waypoint number, fol-
lowed by 1space, followed by 10 characters for the top line of
the description, followed by 10 characters for the bottom line
ofthe description. When this field is output, you may see
spaces between the xxx and
zzz.
These are "fill characters"
and are necessary to fulfill the 10 character count to maintain
character placement when read back into the CDU.
7:
Checksum can be set on or off (default on).
Downloading Waypoints
to
a Personal Computer
You can use any terminal or communications program to download or
upload waypoints and routes to or from the CDU and a Pc.
Set the PC to:
Version 1.5
4800 baud
I stop bit
no flow control
8 bits
no parity
61
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