Make sure his NB was off, as that will cause rx artifacts on all strong signals.
Eric www.elecraft.com _..._ On Dec 13, 2012, at 12:00 PM, Greg <a...@cablespeed.com> wrote: > Or maybe the guest op not being familiar with the Yaezu. Did the > owner of the station ever mention the problem? > > > > On 12/13/12, Matthew Zilmer <mzil...@magellangps.com> wrote: >> The K3 is the most click-free CW transmitter available on the market. >> Better take a look at the 5000's receiver! >> >> Matt Zilmer >> Consultant - Product Management Dept. >> Magellan Navigation / MiTAC Digital Corp. >> Tel: (909) 394-6052 >> Cell: (909) 730-6552 >> In status quo voluntas non sufficit >> >> >> -----Original Message----- >> From: elecraft-boun...@mailman.qth.net >> [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of William Hein >> Sent: Thursday, December 13, 2012 11:24 AM >> To: elecraft@mailman.qth.net >> Cc: Larry Gerbaz; Jerry Fleck >> Subject: [Elecraft] K3 key clicks >> >> I am currently operating barefoot at my new-ish (moved here one year ago) >> QTH in Glade Park CO with a K3 and a Cushcraft vertical antenna. (Much >> nicer antennas going up in the next few weeks and more power once I get 220V >> to the shack). >> >> I have a neighbor, Jerry K0DU, who lives about 4 miles away and is an active >> contester. We can see each other's QTHs from our respective shacks across a >> high elevation Colorado plateau. Needless to say we have no trouble hearing >> each other. >> >> I have noticed that I can get within 2-kHz of Jerry when he's operating CW >> with at full 1.5-kW output with no clicks or elevated tx noise. I can see a >> giant signal on the P3 but can't hear a thing once I'm 2-kHz either side. >> This underscores how nice the K3 rx is. I have a full set of accessory CW >> roofing filters. >> >> After the 10m test recently Jerry emailed me "...(Jerry's guest op) came >> across you several times on CW... heard buckshot or key clicks out of the >> pass band of our receiver up & down the band" This suprised since I had >> noted during the contest how close I could operate to Jerry. And he was >> running his linear and I was operating barefoot. Jerry has a FTdx5000 so I >> don't think poor selectivity or bad rx design is the issue. I confirmed >> that Jerry's 5000 did not have the NB engaged during the 10m test. >> >> What can I do to check my K3 for transmitted key clicks and other unwanted >> emissions? How to do to eliminate same once I confirm the problem? >> Frankly, I Jerry's transmissions don't bother me reciprocity didcates than >> my transmissions shouldn't bother him especially with an order-of-magnitude >> different to transmitted power. >> >> The Cushcraft vertical (an R8) sometimes has high SWR spikes. Since its >> being decommissioned soon and I've been running low power I haven't bothered >> to trouble shoot it. Could this be contributing to the clicks/"buckshot"? >> >> I'll run some tests with Jerry after I have a plan of attack. >> >> 73 >> Bill >> >> ----- >> William Hein, AA7XT >> (ex-AA4XT, NT1Y, AA6TT, KC6EDP) >> >> AMSAT Life Member >> ARRL Life Member >> UKSMG Member >> >> 1st W to OH0 QSO on 6m >> 1st North America to Asia QSO on 60m >> Founder of TopBand email reflector >> >> Web www.AA7XT.com >> Tel +1 (970) 628-5120 >> Email bill.aa...@gmail.com >> Loc: DM59pa >> Web twitter.com/williamhein >> AIM / iChat / iMessage william.h...@me.com >> Skype williamhein >> about.me/williamhein# >> >> >> >> ______________________________________________________________ >> 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 >> ______________________________________________________________ >> 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 > ______________________________________________________________ > 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 ______________________________________________________________ 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
