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Total 8 documents matching your query.

1. [TenTec] Orion and rf feedback (score: 1): Author: "John K Gotwals" <john@gotwals.com>; Date: Fri, 13 Oct 2006 15:47:45 -0400; I have moved to a new QTH and am having a problem with rf feedback on SSB when I connect my Orion I to an amplifier. At my previous location I had a similar problem but solved it by (1) not using an; /archives//html/TenTec/2006-10/msg00390.html (6,954 bytes)
2. Re: [TenTec] Orion and rf feedback (score: 1): Author: Craig Roberts <crgrbrts@verizon.net>; Date: Fri, 13 Oct 2006 16:08:24 -0400; My Pegasus' very stubborn second floor/no ground SSB RF feedback problems were finally solved by stringing several ferrite chokes on the mic cable and grounding the mic jack shell inside the rig's ca; /archives//html/TenTec/2006-10/msg00391.html (7,669 bytes)
3. Re: [TenTec] Orion and rf feedback (score: 1): Author: "David H. Walker" <k0cop@onlymyemail.com>; Date: Fri, 13 Oct 2006 20:12:56 -0000; How high above ground? Location of equipment in regards to xmit, ant, etc? David 73,K0COP David H. Walker Aiken, SC k0cop@onlymyemail.com Virus scan by BitDefender --Original Message-- From: tentec-b; /archives//html/TenTec/2006-10/msg00392.html (8,490 bytes)
4. Re: [TenTec] Orion and rf feedback (score: 1): Author: Art <k6xt@arrl.net>; Date: Fri, 13 Oct 2006 21:37:54 -0600; John A lot of unknows here. You didn't describe how the rig is powered, a prime source of RF feedback for external supplies. Fundamentally there is a source of RF interfering, feeding back, to your l; /archives//html/TenTec/2006-10/msg00400.html (9,044 bytes)
5. [TenTec] Orion and RF Feedback (score: 1): Author: "John K Gotwals" <john@gotwals.com>; Date: Sun, 15 Oct 2006 12:49:10 -0400; Ray, many thanks for your comments. I have already found that touching the mike makes a difference, although that may just be the symptom of a more serious grounding problem at this end. Radioworks h; /archives//html/TenTec/2006-10/msg00424.html (8,698 bytes)
6. Re: [TenTec] Orion and RF Feedback (score: 1): Author: K4IA@aol.com; Date: Sun, 15 Oct 2006 15:19:20 EDT; run a wire down a story and a half to a ground rod As the Radioworks article points out, that is an "unground" and may be the worst thing you can do. The story and a half is almost exactly a quarter; /archives//html/TenTec/2006-10/msg00426.html (8,099 bytes)
7. Re: [TenTec] Orion and RF Feedback (score: 1): Author: "Gary Hoffman" <ghoffman@spacetech.com>; Date: Sun, 15 Oct 2006 17:03:49 -0400; This is correct.....a quarter wave will be a bad thing. Either you have to be significantly less than a quarter wave, or, tuned at a half wave (which will reflect the low impedance of the ground into; /archives//html/TenTec/2006-10/msg00429.html (9,997 bytes)
8. [TenTec] Orion and RF Feedback (score: 1): Author: "John K Gotwals" <john@gotwals.com>; Date: Mon, 16 Oct 2006 17:20:08 -0400; I was able to get my Orion + L-4B working on 40 meters today by using choke filters between the Matchbox and amplifier and between the amplifier and Orion. In addition I draped about 35 feet of #24 i; /archives//html/TenTec/2006-10/msg00441.html (9,257 bytes)

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