how can i create my own bathymetric map using sonar log and non-wifi Dragonfly 7"?
I fish this small local lake but no contour map available anywhere, so I need to chart it on my own. I can record sonar log from my first generation non-wifi Dragonfly 7 but what is next?
I fish this small local lake but no contour map available anywhere, so I need to chart it on my own. I can record sonar log from my first generation non-wifi Dragonfly 7 but what is next?