I had a C3SS. From what I remember the amp tuner should be able to handle the SWR. I think the pattern on 12 was 180 degrees from normal heading.
Dave wo2x Sent from my iPad > On Oct 24, 2019, at 9:58 PM, [email protected] wrote: > > I have a C3 that I brought to St Croix and operated as WP2AA. It has no 12m > elements however the manual states it will work on 12m with a tuner although > I am not sure what the pattern would be. I am not a fan of using out of > resonant antennas and do not even have a tuner in any of my K3S's. I wonder > what the C3 SWR is on 12? The KPA1500 specs are for a maximum SWR of 3:1, > perhaps an external tuner is needed? > > John KK9A > > > > eric norris WD6DBM wrote: > > My Force 12 C3 antenna is not resonant on 12m. Using the K3 barefoot, the > internal atu tunes the antenna fine. Bypassing the K3 atu, but still > running barefoot into the KPA1500 atu, the KPA atu loses it's mind and goes > in and out of TUNE mode uncommanded. Even though the KPA has found a match, > trying to transmit through it at the 100w level is impossible because of the > constant retuning. > I have put my small collection of mix-31 ferrites on the antenna output, > input, and KPA control line at the KPA, each at a time, with no success. > Any ideas? I would like to be able to run the KPA at least a few hundred > watts to have the proverbial snowball's chance to break the VP6R pileup on > 12m CW. > Any useful comments appreciated. > 73 Eric WD6DBM > > ______________________________________________________________ > 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]
