Thanks, it's been a few years since my
last post on this but finally have some time to devote to my charts project again!
That is a very nicely programmed tool indeed BL!TZKR!EG, I did create an Excel version for my method a while back, but as we try to do 'paper' navigation only (as below on my custom made charts) with the boat icon invisible in our 'multiplayer' games I decided against using it. We definitely need to get involved with DEF though! I love that online map, very reminiscent of the Virtual Airline ones but much cooler