GPSBabel: convert, manipulate, and transfer data from GPS programs or GPS receivers. Open Source and supported on MacOS, Windows, Linux, and more. Pointy clicky GUI or a command line version...
The GPS12 uses data type D103 for route points with the special set of symbols gps_16_sym[]/d103_icons. Judging from gpsfmt any device that uses D103 uses the 16 symbol set.
The GPS12 uses data type D103 for route points with the special set of symbols gps_16_sym[]/d103_icons. Judging from gpsfmt any device that uses D103 uses the 16 symbol set.