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Total 6 documents matching your query.

1. Topband: K9AY amplifier (score: 1): Author: Wojciech Tomczyk via Topband <topband@contesting.com>; Date: Thu, 5 Nov 2020 10:09:21 +0000 (UTC); Hello OMs, I plan to build a K9AY antenna.My question is about location of its preamplifier.I consider locating it inside the control box at the base of the antenna.Does it have any advantage/disadva; /archives//html/Topband/2020-11/msg00007.html (6,800 bytes)
2. Re: Topband: K9AY amplifier (score: 1): Author: Mike Furrey <mikefurrey@att.net>; Date: Thu, 5 Nov 2020 15:24:45 +0000 (UTC); Hi Tom, I used a K9AY loop in my small back yard in Houston. I rarely ever found the need for a preamp BUT I used an old Ameco PT-3 preamp inside the shack. That did just fine for me. 73, Mike WA5POK; /archives//html/Topband/2020-11/msg00008.html (7,784 bytes)
3. Re: Topband: K9AY amplifier (score: 1): Author: Tim Shoppa <tshoppa@gmail.com>; Date: Thu, 5 Nov 2020 10:53:50 -0500; Unless you are in some incredibly-low-atmospheric-noise location, the rig's preamplifier will be enough for a K9AY loop. It is important to use good coax with intact shield. I was helping a friend of; /archives//html/Topband/2020-11/msg00009.html (7,577 bytes)
4. Re: Topband: K9AY amplifier (score: 1): Author: Bill Shell - N6WS <n6ws@n6ws.com>; Date: Thu, 5 Nov 2020 08:25:01 -0800; Tom, I use the DX Engineering DXE-RG5000HD receiver guard and DX Engineering DXE-RPA-2 receive preamplifier ahead of my FTDX101MP. They are both located in my shack. I changed from the internal K9AY; /archives//html/Topband/2020-11/msg00010.html (7,755 bytes)
5. Re: Topband: K9AY amplifier (score: 1): Author: Joe Galicic <galicic@comcast.net>; Date: Thu, 5 Nov 2020 13:02:36 -0500 (EST); The preamp in my K3 and Flex 6600M was plenty for my K9AY loop. More importantly chokes should be used on the coax near the antenna and probably before it enters your house. I used 6 or 7 turns of fe; /archives//html/Topband/2020-11/msg00011.html (9,280 bytes)
6. Re: Topband: K9AY amplifier (score: 1): Author: Jim Brown <jim@audiosystemsgroup.com>; Date: Thu, 5 Nov 2020 10:48:28 -0800; Yes. I used 6 or 7 turns of feed line coax around a stack of 5 large FT-240 mix 31 cores. There's a far better solution. It's also a lot cheaper. http://k9yc.com/RXChokesTransformers.pdf 73, Jim K9YC; /archives//html/Topband/2020-11/msg00012.html (7,797 bytes)

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