
The
For-
mats
8
snunique option
Make synth. shortnames unique.
When this option is specified, GPSBabel will ensure that all short names are unique within the output file.
This option overrides the style file.
Valid values for this option are 0 (off) and 1 (on).
urlbase option
Basename prepended to URL on output.
This option specifies the base name to prepend to a URL on output. This might be useful if an input file
contains URLs in a relative format and you need them to be in an absolute format.
prefer_shortnames option
Use shortname instead of description.
This option causes GPSBabel to use the short name of the waypoint instead of the description. This over-
rides the style file.
Valid values for this option are 0 (off) and 1 (on).
datum option
GPS datum (def. WGS 84).
This option specifies the GPS datum to be used on read or write. Valid values for this option are listed
in Appendix A, Supported Datums.
Alan Map500 tracklogs (.trl) (alantrl)
This format can...
• read and write tracks
GPSBabel supports .wpr and .trl files for Alan Map500 devices running operating system versions 2.xx.
.trl contain files tracklogs. If you use a CF-Card based operating system, tracklog files must have a .TRL
extension when copied to the CF-Card. The default filename is TEMP_TRK.TRL. Only one .TRL file
may be present.
Alan's operating system 3.0 for Map500 is not supported yet. At the time of this writing, OS3 is still beta.
Documentation on the new dataformats is sparse.
The Alan Map500 handheld GPSr is identical to the Holux GM101. This GPSBabel module has only been
tested against the Alan Map500. Still, if you use a GM101, GPSBabel will probably be able to convert
your waypoints, routes and tracklogs.
For more information on the Alan Map500 visit Alan Germany [http://www.alan-electronics.de/gps/
gpsuebersicht.php3]. There is very informative forum [http://www.alan-germany.de/forum/index.php],
too. The forum language is German but posts in English will be answered, too.
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