[Elecraft] [K3] Relay click - SOLVED.....

[john at kk9a.com]

Why not reduced the RF to a safe level on the RX line?  I would try  
something like this https://www.dxengineering.com/parts/dxe-rg5000hd  
and move the wire further away if possible to ensure that you do not  
damage the receiver.

John KK9A - W4AAA



Ray Albers K2HYD wrote:

….thanks to comments and suggestions from K9ZTV and W2CS.

My K3 has the Sub Receiver installed, and I have been playing around with
diversity reception, using a random wire connected to the sub-receiver
antenna input BNC connector.  Apparently the carrier operated relay that
protects the receiver from overload is being triggered by lots of RF coming
into that random wire. When I disconnect the receive antenna, no more
clicking. Now that I know what it is, I'll just ignore it. Or maybe someday
I'll rig a manual T-R switch arrangement to disconnect the sub receiver
antenna except when actually using it.

Thanks, gents!

73
Ray K2HYD