Thanks for the input and info about the Icom 802. I have a couple of
other questions.

First question
Does anyone know anything about the Furuno 1503EM?

Next question.
My Chris Craft had a counterpoise installed into the fiberglas bottom of
the boat when it was manufactured. I started asking around about how
much area this covered but have not gotten an answer yet. All I have so
far is that copper mesh was installed on another boat after the first
layer of fiberglass, after the gelcoat. So the question is - can I
install copper mesh as straps on the floor of the bilge and still have
it work. Meaning it will still act with the sal****er and not be
defeated by the existing copper that will be between it and the sea?
These boats were built with solid fiberglass. In other words, there was
not any foam core used. Just layer after layer of FG.