Great pics! When do you need to use each frequency??
Here are a few screen shots I took a while back to compare 800 and 455 khz.
Fair Winds and Following Seas
Bill H. PTC USN Ret
Chesapeake, Va
Great pics! When do you need to use each frequency??
CATCH A BIG-UN
Great pics Bill.Looks like the 455 is a little more detail. I have always used the 800 for shallow,but the 455 narrows the beam and shows clearer.