[Elecraft] KAT-500 problem

[Andy Durbin]

KAT500 antenna port isolation is not impressive, at least not after using an Alpha Delta 4 port switch.  I have ANT-3 port connected to an Alpha Delta switch that selects either my dummy load or a back yard antenna.  The other KAT500 ports are connected to a 40 m dipole and my SteppIR.

Several times I have not realized I was still selected to the dummy load as I was receiving so many stations.  Not worked anyone in that configuration yet though.

It doesn't surprise me a bit that some sneak path could bring a signal in through the KAT500 with no antenna connected to an ANT port.  One of my wish list station improvements is to have a remote controlled antenna switch that has more ports than I have antennas.

Andy, k3wyc