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Total 8 documents matching your query.

1. [TowerTalk] Identifying Teflon Cable (score: 1): Author: Pete Smith N4ZR <n4zr@contesting.com>; Date: Fri, 11 Sep 2015 11:30:48 -0400; Thanks for all the quick replies. Most guessed RG-142, but the copper-coated steel center conductor pretty well disqualifies it from the flexibility standpoint. I think AB3CV hit it with his suggesti; /archives//html/Towertalk/2015-09/msg00166.html (7,144 bytes)
2. [TowerTalk] Identifying Teflon Cable (score: 1): Author: "Jim Thomson" <jim.thom@telus.net>; Date: Fri, 11 Sep 2015 09:46:05 -0700; Thanks for all the quick replies. Most guessed RG-142, but the copper-coated steel center conductor pretty well disqualifies it from the flexibility standpoint. I think AB3CV hit it with his suggesti; /archives//html/Towertalk/2015-09/msg00170.html (7,115 bytes)
3. Re: [TowerTalk] Identifying Teflon Cable (score: 1): Author: dw <bw_dw@fastmail.fm>; Date: Fri, 11 Sep 2015 11:53:43 -0700; I'm pretty sure RG142 or RG303 are both used for toroid baluns. If I remember they are spec'd out by the W2DU choke balun. 12 turns wrapped pretty tight around an FT-240-61. -- Bw_dw@fastmail.net ___; /archives//html/Towertalk/2015-09/msg00173.html (8,554 bytes)
4. Re: [TowerTalk] Identifying Teflon Cable (score: 1): Author: Jim Brown <jim@audiosystemsgroup.com>; Date: Fri, 11 Sep 2015 13:24:09 -0700; Which is a terrible choke, because the Q of #61 material is far too high. I don't think W2DU ever used #61 material, but W1JR did. 73, Jim K9YC _______________________________________________ _______; /archives//html/Towertalk/2015-09/msg00175.html (7,905 bytes)
5. Re: [TowerTalk] Identifying Teflon Cable (score: 1): Author: "Richard (Rick) Karlquist" <richard@karlquist.com>; Date: Fri, 11 Sep 2015 15:17:25 -0700; Which is a terrible choke, because the Q of #61 material is far too high. 73, Jim K9YC _______________________________________________ There is a tradeoff regarding power handling. 61 material will; /archives//html/Towertalk/2015-09/msg00177.html (8,221 bytes)
6. Re: [TowerTalk] Identifying Teflon Cable (score: 1): Author: Jim Brown <jim@audiosystemsgroup.com>; Date: Fri, 11 Sep 2015 16:19:27 -0700; Which is a terrible choke, because the Q of #61 material is far too high. 73, Jim K9YC _______________________________________________ There is a tradeoff regarding power handling. 61 material will h; /archives//html/Towertalk/2015-09/msg00178.html (9,602 bytes)
7. [TowerTalk] Identifying Teflon Cable (score: 1): Author: "Jim Thomson" <jim.thom@telus.net>; Date: Sat, 12 Sep 2015 22:02:09 -0700; You're talking about a TRANSFORMER to handle RF power, where higher Q is desirable. My comment was on use of the core for a choke. Important fundamental principle: Chokes want LOW Q material, lots of; /archives//html/Towertalk/2015-09/msg00182.html (9,581 bytes)
8. Re: [TowerTalk] Identifying Teflon Cable (score: 1): Author: Jim Brown <jim@audiosystemsgroup.com>; Date: Sat, 12 Sep 2015 23:18:29 -0700; Which is a terrible choke, because the Q of #61 material is far too high. 73, Jim K9YC _______________________________________________ There is a tradeoff regarding power handling. 61 material will; /archives//html/Towertalk/2015-09/msg00184.html (10,991 bytes)

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