Originally Posted by sailingdog
The only problem with getting one of the Garmin/Lowrance/Hummingbird combination GPS chartplotter/fish finders is that the wind instruments won't be able to talk to them, and can't estimate true wind speed then. If you don't use electronic wind instruments... you're home free.
The Raymarine ST60 wind instruments wont display true wind from a gps derived SOG. For expensive up market wind instrument they should be able to do this. Other wind instruments will.