[Elecraft] COR question

[Jim Miller]

I've recently been upgrading my station with the KPA500 and a new 80m
vertical. Up to now my 80m antenna has been in the same location and 60ft
from my K9AY but only running 100watts.

Now that the KPA500 has been added and the vertical improved a bit I've
been hearing some clicking of relays when transmitting. I finally
realized that they are probably the Carrier Operated Relays on the RX ANT
input.

It doesn't always happen but it never happened before with the same antenna
locations and only 100w. I'm a bit uncomfortable operating like this and
wondering what to do about it. I assume that ignoring it isn't a great idea.

One option is to provide more separation of the antennas. Another is to add
some relays to switch out the RX ANT on KEY DOWN but that would kill QSK
and I'd rather not do that. A third way would be to add some PIN diode
attenuation on KEY DOWN; I'd need some examples of implementation.

Any others?

What do others do in this situation?

Thanks

Jim ab3cv