KAT500: Miracle on 160m
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Like many others I have been chasing TX5K around the bands. I have an HF-2V vertical for 40/80/160 (with 160 resonator), though it is far too short at 31' to be effective on 160m. A couple of years ago I upgraded the radial system from 6 to 66 radials, and it works pretty well on 40m. I have trouble making contacts even a couple hundred miles out on 160m.
One night while TX5K was working endless Europeans on 80m, I tuned on to TX5K's 160m QRG and found silence. I started doing something else in the shack, then I heard QRL? Then CQ CQ de TX5K UP 3. No one was there! I frantically put the K3 into split mode (so easy), and started to call with 100 watts, forgetting that the antenna was tuned 20 KHz higher up for digital work. The KAT500 started tuning, and I frantically hit TUNE on the K3 and the KAT500 made a margarita. He started working other stations and my heart sank because I knew the only way he would hear my pipsqueak ERP signal would be with no one else there. With the pileup growing I kept calling, and by SOME MIRACLE he came back to me! Amazing! It gave me quite a giggle to see the green square on 160 in DXA while trying to get him on 40 and 80 the next few nights. You just never know! 73 Eric WD6DBM ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[hidden email] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html |
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I had a similar Q. While I do NOT recommend this, the KAT500 can only bring the 100 meter dipole (EDZ on 80M) to 4.57:1 so I used the internal K3 tuner to bring it down further (1:1) and gave or a shot on 160M.
At only 35-50' above dirt, it's a cloud heater but day-yam if they didn't hear me on CW. No joy on SSB later last night but I'm happy. And that's how I made my first ever contact on top band. Ugly describes it. Bonus: no release of the magic smoke from the abuse of the KAT500 input. (ALL of the downstream meters went nuts from the rotten SWR.) I now have (confirmed with the real time log) 160-10 CW; 80-10 (minus 30) on phone; 30, 20, 17 on RTTY for 21 contacts (2 dupes, one wasn't logged, another was dodgy). All this in casual DX mode (time available). If I only had a real antenna and Africa were this easy... ;-) Elecraft: that's American speak for making contacts. I think it made a huge difference that both ends are using K3's. The only problems I've heard from them this time was occasional poor audio (wrong TX filter making pinched audio, Luis had a mike issue last night with lots of random distortion). What a great effort by the team! Rick wa6nhc Tiny iPhone 5 keypad, typos are inevitable On Mar 8, 2013, at 1:57 PM, eric norris <[hidden email]> wrote: > Like many others I have been chasing TX5K around the bands. I have an HF-2V vertical for 40/80/160 (with 160 resonator), though it is far too short at 31' to be effective on 160m. A couple of years ago I upgraded the radial system from 6 to 66 radials, and it works pretty well on 40m. I have trouble making contacts even a couple hundred miles out on 160m. > > One night while TX5K was working endless Europeans on 80m, I tuned on to TX5K's 160m QRG and found silence. I started doing something else in the shack, then I heard QRL? Then CQ CQ de TX5K UP 3. No one was there! I frantically put the K3 into split mode (so easy), and started to call with 100 watts, forgetting that the antenna was tuned 20 KHz higher up for digital work. The KAT500 started tuning, and I frantically hit TUNE on the K3 and the KAT500 made a margarita. He started working other stations and my heart sank because I knew the only way he would hear my pipsqueak ERP signal would be with no one else there. With the pileup growing I kept calling, and by SOME MIRACLE he came back to me! Amazing! It gave me quite a giggle to see the green square on 160 in DXA while trying to get him on 40 and 80 the next few nights. You just never know! > > 73 Eric WD6DBM > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:[hidden email] > > 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:[hidden email] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html |
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I also had similar results. After working TX5K on 80 M CW two days before, I thought I would see if I could hear them on 160 M CW. I had previously tuned my 80 M dipole (resonant at 3.505 MHz) with the newly purchased KAT500 to a low VSWR on the CW band of 160, so I thought it might work. Using the KPA500 at around 400 watts, I made contact with only 2 calls! Surprised the heck out of me!
Roger W5RDW
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