Same thing happened to me about two years ago, and it was something burnt out in the 8MHz trap. Snipped out the offending component and all was fine while I waited for a replacement from Elecraft.
Stephen G4SJP On 1 July 2011 19:01, Joe Subich, W4TV <[email protected]> wrote: > > Normally I would tell you to connect your dummy load, enable the KAT3, > tune into the dummy load then disable the tuner and try the antenna. > However, I know there is an issue with the KAT3 finding the right match > on 6 meters. > > Since you're seeing a high SWR after field day, inspect the KAT3 > carefully to see if the 8 MHz trap has been damaged (extended TX into > a less than ideal load). Damage to that trap will be most evident on > six. > > 73, > > ... Joe, W4TV > > > On 7/1/2011 1:25 PM, James C. Hall, MD wrote: > > The radio was used at the digital station, so RTTY was the active mode. > 6M > > was not used on this radio. > > > > Ron, yes, you are quite correct about the ATU - it does work on 6M. :) I > > just never had to use it. Just for grins I switched in the ATU and could > > only get 3.9:1 SWR. Taking the cable off the ANT connector and putting it > on > > my MFJ analyzer, it shows 1.3:1. > > > > Sigh ... Worked perfectly on 6M prior to taking it to FD. > > > > 73, Jamie > > WB4YDL > > > > -----Original Message----- > > From: Joe Subich, W4TV [mailto:[email protected]] > > Sent: Friday, July 01, 2011 11:51 AM > > To: James C. Hall, MD; Elecraft Reflector > > Subject: Re: [Elecraft] K3 6M problem > > > > > > > > Jamie, > > > > Did the antenna selection on the K3 get toggled to ANT 1 for > > six meters? Remember the ATN1/ANT2 is stored on a per band > > basis. If the rig was used in 6 with ANT 1 at field day, it's > > likely that ANT 1 is still selected! > > > > 73, > > > > ... Joe, W4TV > > > > > > On 7/1/2011 12:06 PM, James C. Hall, MD wrote: > >> Hello: > >> > >> > >> > >> After returning my K3 back to the shack after Field Day, I have > discovered > >> that 6M no longer transmits with low SWR. I checked all the rear panel > >> connections as it is interfaced through a microham MK2R+ and > Stationmaster > >> band decoder. However, I have the 6M antenna coax directly going to > > Antenna > >> 2 on the radio. Using an antenna analyzer, the antenna shows excellent > > SWR. > >> Using a dummy load to each antenna port, all bands shows good SWR except > > 6M. > >> I updated the firmware and cycled the power but I still have the HI SWR > >> showing with 6M. > >> > >> > >> > >> I do have the PR6 pre-amp in line, but the problem is not receive. > >> > >> > >> > >> I'm stumped. Any help appreciated. > >> > >> > >> > >> 73, Jamie > >> > >> WB4YDL > >> > >> > > > ______________________________________________________________ > 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 > ______________________________________________________________ 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
