On at least one occasion when I thought my amplifier had blown up, and it
turned out only to be a bad coax cable in the shack. So even when testing
by running the amp directly to a dummy load, it's a good idea to try more
than one coax cable.
73,
Dick- K9OM
In a message dated 1/19/2014 12:01:26 P.M. Eastern Standard Time,
[hidden email] writes:
I did a similar test using a dummy load (Mil-Spec 2 kW) with the KAT500
in line and carried on a "QSO" while watching all the meters. After
about 45 seconds the tuner went nuts and started a retune - with no
change in frequency etc. having been made. I did this to eliminate any
futher waste of time checking and repairing non-existent antenna problems.
For the naysayers: The dummy load does not heat up at that low power.
Going directly to a dummy load eliminates everything in the antenna
line(s).
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