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Total 10 documents matching your query.

1. [TowerTalk] Need Quality RG6 cable (score: 1): Author: Dave Sublette <k4to.dave@gmail.com>; Date: Thu, 11 Mar 2021 08:57:03 -0500; Good morning, Each dipole of my 80 meter four square dipole array is fed with 72 ohm coax. Yes, they are full length dipoles suspended vertially around a 150 foot tower. One end of each dipole is at; /archives//html/Towertalk/2021-03/msg00084.html (8,717 bytes)
2. Re: [TowerTalk] Need Quality RG6 cable (score: 1): Author: Artek Manuals <Manuals@ArtekManuals.com>; Date: Thu, 11 Mar 2021 09:11:05 -0500; Dave will 75 ohm work for you rather than 72? Dave NR1DX Each dipole of my 80 meter four square dipole array is fed with 72 ohm coax. Yes, they are full length dipoles suspended vertially around a 15; /archives//html/Towertalk/2021-03/msg00085.html (9,448 bytes)
3. Re: [TowerTalk] Need Quality RG6 cable (score: 1): Author: Artek Manuals <Manuals@ArtekManuals.com>; Date: Thu, 11 Mar 2021 09:28:47 -0500; Dave I am in the process of rebuilding my array of Coax Reversible BOGs and I just bought a large quantity of RG-59U from Davis RF . http://www.davisrf.com/rgcoax.php The measured velelocity factor w; /archives//html/Towertalk/2021-03/msg00086.html (11,220 bytes)
4. Re: [TowerTalk] Need Quality RG6 cable (score: 1): Author: Gary Johnson <gwj@wb9jps.com>; Date: Thu, 11 Mar 2021 06:51:59 -0800; Belden 1829BC https://catalog.belden.com/index.cfm?event=pd&p=PF_1829BC <https://catalog.belden.com/index.cfm?event=pd&p=PF_1829BC> VF = .83 *Solid copper* center conductor, very few such RG6 on the; /archives//html/Towertalk/2021-03/msg00087.html (8,171 bytes)
5. Re: [TowerTalk] Need Quality RG6 cable (score: 1): Author: Steve K8LX <lists@oakcom.org>; Date: Thu, 11 Mar 2021 10:06:08 -0500; Dave, One needs to distinguish between CATV style and Video style cable. CATV coax, whether RG59 or RG6, has an aluminum foil with aluminum braid shield with either copper or copper clad steel center; /archives//html/Towertalk/2021-03/msg00089.html (12,448 bytes)
6. Re: [TowerTalk] Need Quality RG6 cable (score: 1): Author: "Richard (Rick) Karlquist" <richard@karlquist.com>; Date: Thu, 11 Mar 2021 13:04:16 -0800; recommendation for good quality 72 ohm coax with foam dielectric for a V/F of 78% or so. It has to be foam in order that the feedline be long enough to reach the center of the array where the contro; /archives//html/Towertalk/2021-03/msg00094.html (10,752 bytes)
7. Re: [TowerTalk] Need Quality RG6 cable (score: 1): Author: K9MA <k9ma@sdellington.us>; Date: Thu, 11 Mar 2021 15:13:28 -0600; It makes sense that they wouldn't waste expensive copper on the RG6. center conductor. I built a shielded loop out of RG6, and completely forgot that the shield braid was aluminum, until I tried to s; /archives//html/Towertalk/2021-03/msg00095.html (12,000 bytes)
8. Re: [TowerTalk] Need Quality RG6 cable (score: 1): Author: Jim Brown <jim@audiosystemsgroup.com>; Date: Thu, 11 Mar 2021 13:24:22 -0800; I've measured a NOS Pasternak-branded RG6 with a copper center and two copper braid shields that came from a Sil Valley surplus house (HSC) that looked awfully close to a Belden part number, and floo; /archives//html/Towertalk/2021-03/msg00097.html (8,750 bytes)
9. Re: [TowerTalk] Need Quality RG6 cable (score: 1): Author: "Richard (Rick) Karlquist" <richard@karlquist.com>; Date: Thu, 11 Mar 2021 14:00:24 -0800; FWIW, I recall that 75 Ohms minimizes loss, while 50 Ohms maximizes power capacity. No doubt that was for a solid dielectric, and may be 73, Scott K9MA For air dielectric, 77 ohms minimizes loss. For; /archives//html/Towertalk/2021-03/msg00098.html (8,522 bytes)
10. Re: [TowerTalk] Need Quality RG6 cable (score: 1): Author: "Richard (Rick) Karlquist" <richard@karlquist.com>; Date: Thu, 11 Mar 2021 18:42:50 -0800; On 3/11/2021 6:51 AM, Gary Johnson wrote: Belden 1829BC https://catalog.belden.com/index.cfm?event=pd&p=PF_1829BC <https://catalog.belden.com/index.cfm?event=pd&p=PF_1829BC> VF = .83 *Solid copper* c; /archives//html/Towertalk/2021-03/msg00109.html (9,135 bytes)

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