[Elecraft] Diversity receive with ant1 and ant2?

[tomb18]

Ok this is more complicated than it seems.  What was not apparent to me is
that Ant 1 and Ant 2 must be isolated in anything other than diversity mode. 
But what happens when you are sharing the antenna? i.e. Ant 1 is used by
both receivers (with the 3db loss) and you transmit on Ant 1?  I presume the
main receiver input is grounded.  Is the sub receiver is grounded as well?

I guess I do not still grasp the overall operation of the radio when
transmit occurs.

So the question is how isolated do the antennas have to be?  I have two
antennas, one a dipole in an attic.  At the end of this dipole, outside and
about 15 feet away (at right angles to the dipole) is a cushcraft vertical.
I am only running 100w and so far I cannot tell if the cor has activated.  I
do not think so in the month or so I have been running it.

What if the power goes up to the KPA500?
Does this mean I should remove the subreceiver if the antennas are not
isolated enough?


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