I am bidding on a Garmin GPSMAP 2010c on eBay. It would fit the bail dash mount for the old paper-printing fish-finder display that was installed when I got the boat. That GPS does locations, waypoints, etc. and also has a "through hull" fish finder head. I will install it, but I am really not much of a fisherman. Should more accurately read out speed and course, of course.
The cell phone boat aps are decent. I have "Boat Buddy." It uses GPS to track the course and waypoints, and also keeps track of gas levels in the tanks and other inventory-- and then records trips from the slip and back to the slip, giving exact mileage traveled, speed, and etc. That ap costs $10, but seems worth it. It will show a satellite view of each past trip with landmarks, etc.
Larry
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1975 Wellcraft V20 Steplift with 1979 Evinrude 150. Newly rebuilt dual axle trailer. Boat is in a slip behind Harbor Island on San Diego Harbor.
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