Your story reminds me of a scene from that Godzilla movie with Matthew Broderick where he is “pumping” over sized worms from the ground using electricity.
73, phil, K7PEH > On Apr 2, 2017, at 10:05 AM, Mike Rhodes <[email protected]> wrote: > > No practical experience with the KAT500 but can tell you that, years ago, > while guest operation at a contest station, a 160 meter vertical was strung > up between a couple of the towers. The operator went in and successfully > tuned the antenna to a 1:1 match and then loaded the KW amp to full output. > He then went S&P to get warmed up but heard very little and could not work > any of the few stations he did hear. We went out and discovered that the > vertical wire had snagged on the ground rod! The tuner was manual but imagine > the same principal applies. Yes, you can often get a "perfect" match but that > may not count for much! Have often wondered if the earth worm population in > that area ever recovered. > > Mike / W8DN > > On 4/2/2017 12:42 PM, Phil Hystad wrote: >> I got my second KAT500 tuner to use with my new backup rig and while setting >> up and testing and tuning with my two different antennas I made a mistake. >> >> I first observed the results displayed on the utility program operate page >> where the tuned SWR was 1:1 and the bypass SWR was something like 54:1. I >> immediately realized that something was not right and discovered that my >> coax cable was not switched to the antenna but rather my dummy load but the >> cable to the dummy load was disconnected (because I was moving things >> around). >> >> OK, fixed that little problem but I was curious about the behavior when the >> KAT500 tuner is faced with an impossible match. Does it give up? I assume >> it gives up but then I didn’t see anything to indicate that the tuning >> operation gave up. In fact, it seemed like it found a tuned LC solution but >> one that was matched with a bypass of 54:1. >> >> My first question: If KAT500 fails to find a valid solution does it report >> an error. I ask this because at times I have had red LED lights flashing on >> a failed tune but I did not have one this time. I am wondering if I missed >> the error report on the utility program. >> >> My second question: Is it possible that the KAT500 did resolve a tuned LC >> solution with basically 6 feet of coaxial cable unconnected with anything? >> >> Thanks, >> >> 73, phil, K7PEH >> >> ______________________________________________________________ >> Elecraft mailing list >> Home: http://mailman.qth.net/mailman/listinfo/elecraft >> Help: http://mailman.qth.net/mmfaq.htm >> Post: mailto:[email protected] >> >> This list hosted by: http://www.qsl.net >> Please help support this email list: http://www.qsl.net/donate.html >> Message delivered to [email protected] > > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:[email protected] > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > Message delivered to [email protected] ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [email protected]
