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161. Re: [TowerTalk] Balun question (score: 2): Author: k3bu@optonline.net; Date: Thu, 14 Jun 2007 01:08:58 +0000 (GMT); For mono-band antennas I prefer "bazooka" balun. It is a quarter wave stub wired per instructions in handbooks etc. Advantage is low loss, no ferites, it is a bal-un and also bandpass filter. Also w; /archives//html/Towertalk/2007-06/msg00379.html (7,822 bytes)
162. [TowerTalk] Antenna Masts (score: 2): Author: "AD5VJ Bob" <rtnmi@sbcglobal.net>; Date: Sat, 18 Nov 2006 09:02:51 -0600; Hello everyone: As most of you know, I am located near Weatherford in Hudson Oaks. I have some very strong poles (about 10 or more) that would make very good antenna masts if anyone is interested. Th; /archives//html/Towertalk/2006-11/msg00376.html (7,519 bytes)
163. Re: [TowerTalk] 75 meter loop (score: 2): Author: K4SAV <RadioIR@charter.net>; Date: Wed, 18 Oct 2006 23:36:25 -0500; You could move the inverted vee to 125 ft and pick up 2 to 3 dB. A vertical loop with 102 ft horizontal wires and 42 ft vertical wires, with the top wire at 80 ft (resonates at 3.55 MHz), fed at the; /archives//html/Towertalk/2006-10/msg00517.html (8,550 bytes)
164. Re: [TowerTalk] 75 meter loop (score: 2): Author: "D. Scott MacKenzie" <kb0fhp@comcast.net>; Date: Wed, 18 Oct 2006 23:27:53 -0400; I think it depends on what you want....From you description, I gather you are putting the loop up vertically - if so, it will be an excellent performer for DX (from ON4UN's book), when loaded to prov; /archives//html/Towertalk/2006-10/msg00512.html (8,463 bytes)
165. [TowerTalk] 75 meter loop (score: 2): Author: Joe Barnes <n4jbk@bellsouth.net>; Date: Wed, 18 Oct 2006 22:24:05 -0400; can anyone tell me what kind of performance I can expect from a 75 meter loop positioned on its side with the top at 80 feet or so? I am still trying to find something to out perform my inverted v wi; /archives//html/Towertalk/2006-10/msg00511.html (6,417 bytes)
166. [TowerTalk] Bazzoka L ? (score: 2): Author: Nick Pair <daweezil2003@yahoo.com>; Date: Fri, 14 Jul 2006 02:02:19 -0700 (PDT); I think what we have here is half a double bazooka antenna. If one was wont to use nec4 to model it, you can think of it as a folded monopole with extension. over a ground level radial system. Overal; /archives//html/Towertalk/2006-07/msg00492.html (7,785 bytes)
167. Re: [TowerTalk] Question on Multiple Inverted L Antennas (score: 2): Author: K3vw@aol.com; Date: Thu, 13 Jul 2006 18:57:51 EDT; I have been using a pair of phased " coaxial inverted l's " for about 20 years on 160 meters. They are 1/2 of a double bazooka, fed against ground. They are very broad-banded, not lossy and out do my; /archives//html/Towertalk/2006-07/msg00478.html (8,514 bytes)
168. Re: [TowerTalk] Question on Multiple Inverted L Antennas (score: 2): Author: "hasan schiers" <schiers@netins.net>; Date: Thu, 13 Jul 2006 16:52:36 -0500; Hi Bruce, The only way for the bandwidth of an inverted L to be broad is if there are excessive losses. If you measure the resonant impedance at the feedpoint and compare it to the known radiation re; /archives//html/Towertalk/2006-07/msg00473.html (9,646 bytes)
169. Re: [TowerTalk] Simple Tower Construction (score: 2): Author: "D. Scott MacKenzie" <kb0fhp@comcast.net>; Date: Sun, 17 Jul 2005 23:08:56 -0400; I like that Idea - very simple and easy. For what I plan, it can be made simplier too. Install the pipe as you did, and attach the rotor to the pipe (sticking about 5-6' above the roof). Capping each; /archives//html/Towertalk/2005-07/msg00412.html (14,879 bytes)
170. Re: [TowerTalk] Simple Tower Construction (score: 2): Author: "JC Smith" <jc-smith@comcast.net>; Date: Sun, 17 Jul 2005 17:45:16 -0700; Hi Scott, The TH6DXX (plus a 5L 6-meter) is a good amount antenna so I'm not sure about that, but here's what I did to support some smaller antennas. Perhaps it will give you an idea. When I was putt; /archives//html/Towertalk/2005-07/msg00406.html (13,780 bytes)
171. Re: [TowerTalk] FW: Moxon rectangles (score: 2): Author: "Mike Baker" <k7ddmjb@qwest.net>; Date: Sat, 26 Mar 2005 10:26:23 -0700; Hello Clive and the list. Yep, been there, done that. Got the same results. Now I model them with EZNEC and make adjustments in the computer FIRST then build. Here are a few tips to keep in mind. The; /archives//html/Towertalk/2005-03/msg00841.html (16,396 bytes)
172. Re: [TowerTalk] Force 12 Multi band Antenna (score: 2): Author: Jay Urish <j@unixwolf.net>; Date: Thu, 11 Mar 2004 14:52:06 -0600; I run the C4S and I agree, trying to get the 40m dipole tuned is a pain in the ass. I will be selling this sucker soon and replacing it with a C31XR. I plan on getting a 40m double bazooka from KB5HO; /archives//html/Towertalk/2004-03/msg00182.html (9,291 bytes)
173. Re: [TowerTalk] Vertical balun (score: 2): Author: K3BU@aol.com; Date: Fri, 19 Dec 2003 11:46:02 EST; the coax around a 3.5" dia 12" former at the point the feeder enters the shack - Viola......it cured all my RFI problems.<< I hated baluns after I fried Hi-Q balun, which stunk for years (fried ferri; /archives//html/Towertalk/2003-12/msg00573.html (8,963 bytes)
174. [TowerTalk] re: 160 Transmission Line ANT (score: 2): Author: "Jerry Connelly" <jerryc@clinchrivercorp.com>; Date: Mon, 15 Dec 2003 18:18:02 -0500; Gene Let us know how it all turns out. I have been stumbling along with an 160m inverted L and having mixed results. The first one (with linear loaded horizontal section) seemed to work o.k. but the; /archives//html/Towertalk/2003-12/msg00465.html (8,371 bytes)
175. [Towertalk] limitations of stacking (score: 2): Author: W8JI@contesting.com (Tom Rauch); Date: Tue, 26 Mar 2002 05:44:43 -0500; Please tell me how, with fixed efficiency, one dipole has gain over another without having a pattern change. Is this like the folklore a double Bazooka or coaxial dipole has gain, or a folded s dipo; /archives//html/Towertalk/2002-03/msg00665.html (8,371 bytes)
176. [TowerTalk] RG83/U (score: 2): Author: K7GCO@aol.com (K7GCO@aol.com); Date: Tue, 16 Oct 2001 06:16:54 EDT; << For the group's interest, we've received a shipment of RG83/U, the 35 ohm coax that has been very hard to find in the past year or so. Briefly, The characteristics are, in addition to the characte; /archives//html/Towertalk/2001-10/msg00313.html (8,424 bytes)
177. [TowerTalk] Re: Force12 (score: 2): Author: Mike" <W4EF@dellroy.com (Mike); Date: Wed, 10 Oct 2001 18:55:23 -0700; Hi Wes, What you say is true if the characteristic impedance of the line is equal to the system reference impedance (Zo). In other words, if your are changing the length of a 50 ohm feedline in a 50; /archives//html/Towertalk/2001-10/msg00225.html (14,219 bytes)
178. [TowerTalk] Re: Force12 (score: 2): Author: wes@attawayinterests.com (Wes Attaway); Date: Wed, 10 Oct 2001 20:23:40 -0500; These opinions re changing bandwidth of an antenna by adding or subtracting feedline are the silliest things I have heard in a long time. Tom, and many others, are correct in that making bandwidth br; /archives//html/Towertalk/2001-10/msg00224.html (11,599 bytes)
179. Fw: [TowerTalk] Re: Force12 (score: 2): Author: pringle50@home.com (pringle50@home.com); Date: Wed, 10 Oct 2001 20:19:12 -0500; comments was line. in antenna List Sponsored by AN Wireless: AN Wireless handles Rohn tower systems, Trylon Titan towers, coax, hardline and more. Also check out our self supporting towers up to 100; /archives//html/Towertalk/2001-10/msg00222.html (11,344 bytes)
180. [TowerTalk] Re: Force12 (score: 2): Author: K3BU@aol.com (K3BU@aol.com); Date: Wed, 10 Oct 2001 20:55:53 EDT; Here is one "else": Quarter wave "bazooka" coax balun increases the bandwidth. Change in its reactance with frequency works "against" reactance change of antenna with frequency. Yuri, K3BU List Spons; /archives//html/Towertalk/2001-10/msg00219.html (8,978 bytes)

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