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, elecraft-requ...@mailman.qth.net 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). ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
