Quote: Originally Posted by
S11D336B 
Oh sorry, I must have been mistaken. But what I meant by relevent map data. . . I meant markers on the gps such as intercoastal markers, depths, marina data, etc. I suppose though that you only need to be able to specify way points though. . But if software packages exist then you won't have a problem with that
. Sorry about that.
Err - the opposite is true, there are some very capabale software packages out there specifically designed for this kind of thing.
I regularly sail on a boat which is equipped with a PC that is linked into the B&G instrument databus, drives an on-deck repeater screen for the helmsman - downloads wind and tide data and even tells you which sails to use based on past performance information that it has captured over time.
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