Re: Dual Frequency Fish Finders
50kHz is a wider cone, than 200kHz band. 50kHz band will mark fish that you won't see with 200kHz. When you get into deep water 300+ft . . . 200kHz is the way to go for marking Cod.
For example: Tranducers usually tell you the angles of the cones. (14/45deg) I believe that this means the 50khz cone is 45deg and a 200khz cone of 14degrees. So you can imagine that the large cone picks up more fish, but returns a weaker signal when you get into deep water. If you mark a fish and it's a strong signal on both 200 and 50 . . . it means the fish is UNDER THE BOAT. :)
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1971 222 Hiliner
1973 23 Seacraft Center Console
1973 23 Seacraft Sceptre
1971 25 Seacraft Seafari
1972 28 Cary
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