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Total 78 documents matching your query.

21. [TowerTalk] Radials (score: 1): Author: "Tom Osborne" <w7why@verizon.net>; Date: Sun, 07 May 2006 19:12:16 -0700; Hi All I have 3 phased verticals for 40 and an inverted "L" for 160. At the base of each of these, I have a pretty extensive radial system. I run a wire from the radials at the base of each antenna t; /archives//html/Towertalk/2006-05/msg00120.html (6,480 bytes)
22. Re: [TowerTalk] Radials (score: 1): Author: "Jim Brown" <jim@audiosystemsgroup.com>; Date: Sun, 07 May 2006 21:34:00 -0700; Standard practice in a multi-tower AM broadcast station is to bond the radials where they intersect each other, and to run an circumferentail arc along the points of bonding. IMO, that is probably ma; /archives//html/Towertalk/2006-05/msg00121.html (6,813 bytes)
23. Re: [TowerTalk] Radials (score: 1): Author: "AA6DX - Mark" <aa6dx@arrl.net>; Date: Mon, 8 May 2006 08:37:24 -0700; Back in the 7Øs, I had a steerable vertical array for 4ØM like that of which you speak .. I read, re-read, studied, and decided the "way to go" was EACH vertical have its own isolated s; /archives//html/Towertalk/2006-05/msg00128.html (8,585 bytes)
24. [TowerTalk] Radials (score: 1): Author: "Tom Osborne" <w7why@verizon.net>; Date: Tue, 13 Jun 2006 21:50:21 -0700; Hi all Going to put up a 40/20 (probably use the 40 on 15) multiband vertical for field day. Do they work better with 1/4 radials for each band, or would 1/4 wave radials for 40 work on 20 OK? 73 Tom; /archives//html/Towertalk/2006-06/msg00240.html (6,303 bytes)
25. Re: [TowerTalk] Radials (score: 1): Author: "hasan schiers" <schiers@netins.net>; Date: Wed, 14 Jun 2006 08:33:15 -0500; If you are talking about elevated radials, they have to be tuned for each band at a 1/4 wave. At the very minimum you need two for each band (on opposite sides of the "circle"). The higher you get th; /archives//html/Towertalk/2006-06/msg00254.html (9,888 bytes)
26. Re: [TowerTalk] Radials (score: 1): Author: Bill Coleman <aa4lr@arrl.net>; Date: Wed, 14 Jun 2006 20:39:23 -0400; 1/4 wave radials for 40m are 1/2 wave on 20m. If we're talking about a ground-mounted vertical, certainly the 40m radials will work great for 20m. Just put down a lot of them (strive for 20-40 radial; /archives//html/Towertalk/2006-06/msg00293.html (7,563 bytes)
27. Re: [TowerTalk] Radials (score: 1): Author: "Tom Osborne" <w7why@verizon.net>; Date: Wed, 14 Jun 2006 18:08:48 -0700; Hi Kelly No, probably just lay them on the ground. Will be lots of kids and dogs running around :-) Thanks for all the replies. 73 Tom W7WHY _______________________________________________ _________; /archives//html/Towertalk/2006-06/msg00295.html (7,080 bytes)
28. Re: [TowerTalk] radials (score: 1): Author: "Eric Hilding" <dx35@hilding.com>; Date: Wed, 14 Jun 2006 20:37:33 -0700; Umh, I would think "shipping costs" vs. local ACE/OSH/Home Depot/etc. acquistion would be a consideration depending upon where one lives :-) FYI, I almost pulled the rest of the hair out of my bald h; /archives//html/Towertalk/2006-06/msg00297.html (8,119 bytes)
29. [TowerTalk] Radials (score: 1): Author: <doktorij@bellsouth.net>; Date: Wed, 14 Jun 2006 15:24:37 -0400; I've used wire as small as 22 AWG for radials. They are still doing a fine job 3 years later. My radials are slightly buried so that the mower doesn't get 'em. I had some 10 AWG I also put in, a mowe; /archives//html/Towertalk/2006-06/msg00300.html (9,974 bytes)
30. Re: [TowerTalk] radials (score: 1): Author: "Newby, Wayne D." <newbywd@ornl.gov>; Date: Thu, 15 Jun 2006 07:59:55 -0400; The wire from Davis RF was much cheaper than going to Home Depot or any of the local electrical supply places. Shipping wasn't that bad. however I am Umh, I would think "shipping costs" vs. local ACE; /archives//html/Towertalk/2006-06/msg00303.html (9,054 bytes)
31. [TowerTalk] Radials (score: 1): Author: "Dan Hearn" <dhearn@air-pipe.com>; Date: Mon, 21 Aug 2006 07:36:39 -0700; Doug, I have built 2 phased arrays using lengthened Hytowers. The radials are soldered to a ring of nr. 10 wire around the base. The feed line is LDF5-50 hardline. A short piece of bare nr 10 is sold; /archives//html/Towertalk/2006-08/msg00679.html (7,688 bytes)
32. [TowerTalk] Radials (score: 1): Author: "Donald Chester" <k4kyv@hotmail.com>; Date: Tue, 22 Aug 2006 02:09:30 +0000; I would beware of any kind of connection that depends on mechanical pressure for contact, especially if the bus ring is buried in the ground. If soldered, you must use brazing material like silver al; /archives//html/Towertalk/2006-08/msg00693.html (7,939 bytes)
33. [TowerTalk] Radials (score: 1): Author: Steve Miller <hsmiller@awsllc.net>; Date: Mon, 12 Feb 2007 08:55:23 -0600; This may be the wrong place to ask (in which case, please direct me to the right one!) but I am interested to know what affect wire size has on a radial system. Must one use #14 stranded or will #26; /archives//html/Towertalk/2007-02/msg00204.html (7,069 bytes)
34. Re: [TowerTalk] Radials (score: 1): Author: wa3afs@inav.net; Date: Mon, 12 Feb 2007 10:36:39 -0500; Over the years I found that the larger the diameter the better for radials. When I was a lot younger (ham years, that is), and I was experimenting with my first verticals (coaxial inverted Ls on 160,; /archives//html/Towertalk/2007-02/msg00208.html (8,526 bytes)
35. Re: [TowerTalk] Radials (score: 1): Author: Don Havlicek <n8de@thepoint.net>; Date: Mon, 12 Feb 2007 12:50:02 -0500; My 100 radials on my 80m vertical tower, where I lived in Indiana, were fully able to handle maximum legal power. I plan on doing the same here in Michigan with three verticals on 80m and 3 verticals; /archives//html/Towertalk/2007-02/msg00218.html (8,128 bytes)
36. Re: [TowerTalk] Radials (score: 1): Author: "Cecil Moore" <w5dxp@hotmail.com>; Date: Mon, 12 Feb 2007 12:19:19 -0600; Assuming 1500 watts and a feedpoint impedance of 35 ohms, the feedpoint current is ~6.5 amps. When that current divides among 100 paralleled radials, each radial carries ~65 mA, no big deal for #24.; /archives//html/Towertalk/2007-02/msg00223.html (7,873 bytes)
37. Re: [TowerTalk] Radials (score: 1): Author: Jim Lux <jimlux@earthlink.net>; Date: Mon, 12 Feb 2007 14:17:03 -0800; Sure.. the smaller wire will work. Slightly less well (because the resistance is higher..) AWG14 is roughly 4 times the diameter of AWG26, so the resistance (for RF, depending on frequency) will be 1; /archives//html/Towertalk/2007-02/msg00241.html (9,176 bytes)
38. Re: [TowerTalk] Radials (score: 1): Author: "Tom McAlee" <tom@klient.com>; Date: Mon, 12 Feb 2007 18:04:12 -0500; As others have pointed out, if you're concerned with the current carrying capabilities #26 is fine especially if you have 60 of them. But, don't neglect to consider the physical aspects. I have 40,00; /archives//html/Towertalk/2007-02/msg00248.html (9,008 bytes)
39. Re: [TowerTalk] Radials (score: 1): Author: Jim Lux <jimlux@earthlink.net>; Date: Mon, 12 Feb 2007 21:24:52 -0800; Indeed... However, once you've got all those wires laid into the soil, some breaks don't actually change the RF properties very much. What you're really doing is effectively improving the soil conduc; /archives//html/Towertalk/2007-02/msg00265.html (8,747 bytes)
40. [TowerTalk] Radials (score: 1): Author: "Steve and Judy" <hodgson@cytanet.com.cy>; Date: Fri, 30 Mar 2007 10:23:22 +0300; Hello All, has anyone ever used old RG213 coax as radials. If so what were the results ? Thanks for any replies. 73 Steve, ZC4Li etc. _______________________________________________ _________________; /archives//html/Towertalk/2007-03/msg00612.html (6,732 bytes)

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