the pointy end is the bow
Join Date: Aug 2006
Location: La Conner, Washington
Thanked 27 Times in 26 Posts
Rep Power: 12
I use Capn Voyager. It lets the user plot LOP's that are easily measured and to set up circular alarm zones. Either tool would work to mark a light's range of visibility. It also allows you to add notes to waypoints, even pictures if you want but it wouldn't appear unless you clicked on the waypoint and chose the appropriate command to see your notes from the drop down menu. The demo version of Capn is missing several features available in the full version.
1983 Fraser 41
La Conner, WA
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Boating for over 25 years, some of them successfully.