ISTR that the isolation between antenna ports is around 30dB. Allowing for
inaccuracies, your S9 down to S2 reading seems entirely reasonable.
73,
Alan. G4GNX
-----Original Message-----
From: kq5s...@gmail.com
Sent: Thursday, March 22, 2018 1:58 PM
To: Elecraft
Subject: [Elecraft] KAT500 Isolation
I decided to hook my dummy load to antenna two on the KAT500 with my main
antenna being on antenna 1. When I get a strong signal on my main antenna
and switch the KAT500 to port 2 (dummy load) the KAT500 I can still copy the
signal on my K3S though the strength is down from S9+ to about S2.
I can keep the KAT500 on antenna 2 (dummy load) and disconnect the dummy
load from the back of the KAT500 and still hear the signal.
I was using an Alpha Delta 4 port coax switch to switch between my main
antenna and a dummy load. All was well. No signal being heard when I
switched to the dummy load. In this configuration I had antenna 1 from the
KAT500 going to the Alpha Delta switch and then out to my antenna.
——————
73,
Tom - KQ5S
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