Roy Lewallen writes:

bob wrote:
I dont have NEC4 is it too much to ask you to run the
model. Radials over sea water versus a direct connection?

Sure. How many, how high, and how long? The foot-long wire produces
efficiency of virtually unmeasurably close to 100%. So radials can't
be significantly better. What sort of efficiency are you expecting
from the radials?

How does a copper wire behave when submerged in salt water? Won't it corrode
rapidly, so that you don't get a metal to salt water connection, but
a capacitive coupling across copper oxide?

Not a rhetorical question, btw. I really don't know the answer.

73
LA4RT Jon