To identify which map tile you need to trace your tracklogs:
1. Open your tracklog in Mapsource
2. Click on the Tracks tab in Mapsource
3. Right click on your tracklog and choose Show Selected Track on Map
4. Click on the Map Tool (Tools Menu > Map) then click on the map to hilite the tile. The map tile that you need to edit is shown in the Maps tab. Your tracklog may cover more than one map tiles.
