That is optimistic at best. I have seen the majority of "open-Source" projects just disappear or never reach the lofty goals set out. Either the project is harder than anticipated or just no audience. But best of luck, I may try it out if just for messing around. Do you think this might work with a cheap GPS sensor from say DealExtreme? Thinking as a backup/planning type situation, where the main system is a dedicated chart plotter on deck and this down below.