educate me on "fish finders"
looking at picking up a new fish finder this spring. I have only every bought the 100-200$ basic models. Looking at spending under 800$ this go around.
Whats the difference between GPS and Sonar?
I fish 90% of my time for big pike. So I like the idea of being able to tell the where in the water column the warm water meets cold water. It looks like this is only available in GPS units.
I have never used side scanning units before. Would this be helpful when casting for pike on drop offs, weed lines etc?
Ideally I would like a through the hull mount. Does this change whats available to me?
What else do I need to know?
Whats the difference between a 400$ unit and a 800$ unit?
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