http://www.reichertonline.be/apmapper.php

"Purpose

Converts log files of Access Points detected by NetChaser to OV2 format so they can be displayed as Points Of Interest on TomTom Navigator 5 maps.
Prerequisites

APmapper works on the PDAs that support TomTom Navigator 5.

You must have at least 1 TomTom map stored in the root directory of your SD card.

You must have at least 1 NetChaser log file stored in the directory /Palm/Programs/Netchaser on your SD card.?