Read up on it it should tell you the degree of cone . Shallower water wider cone angle is best . Some units have more than one cone angle or combos of two
What is beam width exactly? I have my Garmin 93sv set at 200khz what beam width is best? Thanks!
Read up on it it should tell you the degree of cone . Shallower water wider cone angle is best . Some units have more than one cone angle or combos of two
Moderator of Beginners n Mentoring forum
Takeum Jigs
With a 20° cone and 200 khz the width of the bottom of the cone is approx 1/3 the depth. For instance if you are in 30 ft of water you are seeing about 10 ft of the bottom.
Fair Winds and Following Seas
Bill H. PTC USN Ret
Chesapeake, Va