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References: [ slopers: 220 ]

Total 220 documents matching your query.

61. Re: Topband: Monopole Elev Pattern w.r.t. Earth Conductivity (score: 3): Author: Herb Schoenbohm <herbs@vitelcom.net>; Date: Wed, 24 Oct 2012 18:58:27 -0400; I used or tried to use a 308 foot self supporting base insulated Blau-Knox in the late 70's and early 80's (Picture on QRZ.com) and although I could not do A-B tests I found it horrible and that was; /archives//html/Topband/2012-10/msg00308.html (13,323 bytes)
62. Re: Topband: Shunt fed tower (score: 3): Author: "Larry" <lknain@nc.rr.com>; Date: Thu, 15 Dec 2011 20:16:08 -0500; The new tower will have a log periodic on it with a 32 foot boom (IIRC). The new tower will have Phillystran guys as does the 100 foot tower. In Vietnam I use a short MFJ antenna that has a capacity; /archives//html/Topband/2011-12/msg00418.html (19,354 bytes)
63. Re: Topband: electrically shortening a tall grounded tower (score: 3): Author: "Robin" <wb6tza@socal.rr.com>; Date: Fri, 25 Sep 2009 22:55:02 -0700; I operated for a number of years with a 250 ft tower with sloper 1/4 wave lines attached 1/4 wave from the top of the tower. I simply hooked coax between the tower and the sloper like you would feed; /archives//html/Topband/2009-09/msg00120.html (10,955 bytes)
64. Topband: 4sq using sloping dipoles (score: 3): Author: "Nodir Tursoon-Zadeh" <nmt@at-communication.com>; Date: Mon, 10 Oct 2005 10:41:13 +0500; I am planning to built 4 square array using slopers. I have access to countryside QTH where I can use 55 m tower for weekends project. Installation of wire verticals is not possible due to complex wo; /archives//html/Topband/2005-10/msg00046.html (7,263 bytes)
65. Re: Topband: sloper antennas (score: 3): Author: "Tom Rauch" <w8ji@contesting.com>; Date: Sun, 5 Dec 2004 17:28:26 -0500; The point with sloppers is unless you plan the system, you are depending on sheer luck. 1.) The tower connection point at the shield ALWAYS, no exceptions, has the same current flowing into the slope; /archives//html/Topband/2004-12/msg00085.html (10,445 bytes)
66. Topband: sloper antennas (score: 3): Author: jimjarvis@comcast.net; Date: Sun, 05 Dec 2004 19:58:00 +0000; If a quarter wave sloper is merely a method for feeding a tower..... what happens if you have multiple 'slopers', like radials around the tower? K3ANS has an "inverted sloper system"....where the tow; /archives//html/Topband/2004-12/msg00080.html (7,808 bytes)
67. Re: Topband: sloper puzzler (score: 3): Author: "Ryszard Tymkiewicz" <rtym@ippt.gov.pl>; Date: Sun, 5 Dec 2004 11:02:56 -0000; Hello All, Since 14 years I was using Slopers /sloppers?/ on both 160 and 80m.Just 2 weeks ago I decided to try shunt feeding the tower.My tower is not too high,only 18m with TH6DXX and above it is 2; /archives//html/Topband/2004-12/msg00066.html (8,981 bytes)
68. Re: Topband: sloper puzzler (score: 3): Author: "Tom Rauch" <w8ji@contesting.com>; Date: Sat, 4 Dec 2004 06:55:59 -0500; kinda at a loss... I just don't see how my old sloper would be melting its end insulator when I'm using the new Dave, The problem with 1/4 wl slopers is they are sloppy antennas. They should be calle; /archives//html/Topband/2004-12/msg00049.html (8,484 bytes)
69. Topband: sloper puzzler (score: 3): Author: Dave NØRQ (lists) <n0rq-lists@sbcglobal.net>; Date: Fri, 3 Dec 2004 22:59:04 -0600; I have a strange problem with 2 slopers. Apologies in advance for being a bit long with this... For the last year, the only topband xmit antenna I've had is a 1/4 wave sloper (actually a W9INN 40/80/; /archives//html/Topband/2004-12/msg00047.html (8,988 bytes)
70. Re: Topband: 1/4 wave sloper array info (score: 3): Author: "Gene Smar" <ersmar@comcast.net>; Date: Tue, 6 Apr 2004 17:15:29 -0400; Greg: There was an interesting thread on TowerTalk in early 2002 on just this topic. Here's one of the more cogent postings from that series: http://lists.contesting.com/archives/html/Towertalk/2002-; /archives//html/Topband/2004-04/msg00037.html (8,738 bytes)
71. Topband: Shunt feed vs sloper (score: 3): Author: n6bv@arrl.org (R. Dean Straw); Date: Tue, 11 Sep 2001 19:15:23 -0700; Tom: This is very true -- in other words, "your mileage may vary" when trying quarter-wave slopers! 73, Dean, N6BV; /archives//html/Topband/2001-09/msg00027.html (8,365 bytes)
72. Topband: Shunt feed vs sloper (score: 3): Author: 2@vc.net (2); Date: Tue, 11 Sep 2001 09:25:13 -0700; // As well there should have been. The intrinsic problem with a 1/4 wave sloper antenna is that two currents of opposite polarity are traveling pretty much in the same direction -- i.e., toward the; /archives//html/Topband/2001-09/msg00025.html (9,183 bytes)
73. Topband: Shunt feed vs sloper (score: 3): Author: btippett@alum.mit.edu (Bill Tippett); Date: Tue, 11 Sep 2001 10:17:55 +0100; Greg, 1/4 wave slopers do work but they are very dependent on the individual installation. K0RF has used these for years very effectively and I assure you they work much better than low dipoles! I be; /archives//html/Topband/2001-09/msg00018.html (8,290 bytes)
74. Topband: 1/4 sloper responses (score: 3): Author: Dinsterdog@aol.com (Dinsterdog@aol.com); Date: Wed, 22 Aug 2001 10:10:13 EDT; Thanks to everyone for the suggestions on my sloper questions. There are a lot of emails I've gotten directly back directly as well on the reflector............ Most told me that at the height of my; /archives//html/Topband/2001-08/msg00091.html (9,493 bytes)
75. Topband: When does a 1/4-wave sloper bcome an Inverted V? (score: 3): Author: ae5x@qsl.net (John Harper AE5X); Date: Sun, 20 May 2001 07:54:29 -0400; Mornin, I'm looking at the arrangement of trees in the yard and trying to decide what type of antenna to build for next winter's 80 & 160m DXing efforts. A lot of 80/160m DX credit has been given to; /archives//html/Topband/2001-05/msg00036.html (7,955 bytes)
76. Topband: 240' tower (score: 3): Author: herbs@islands.vi (Herb Schoenbohm); Date: Tue, 08 Feb 2000 12:22:45 -0400; <001201bf7177$45f82340$6594163f@microbyte> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: owner-topband@contesting.com Precedence: bulk X-List-Info: http://www.con; /archives//html/Topband/2000-02/msg00045.html (8,005 bytes)
77. Topband: 240' tower (score: 3): Author: feutz@wctc.net (Ron Feutz); Date: Fri, 04 Feb 2000 14:29:01 -0600; I have access to a 240' Rohn SSV self-support for potential use as a contest station for 160. I would like the help of modelers to tell me if the tower, being close to 1/2 wl high, would interact so; /archives//html/Topband/2000-02/msg00020.html (7,341 bytes)
78. TopBand: Shunt-fed tower - summary (score: 3): Author: DXIS@wxs.nl (Alex C.J. van Eijk); Date: Sat, 21 Mar 1998 12:33:23 +0000; I got several requests to summarize the responses to my query about how 80m (half) slopers suspendend from a tower could/would affect shunt-feeding that tower. influence the SWR of the system on 160m; /archives//html/Topband/1998-03/msg00359.html (7,195 bytes)
79. TopBand: antenna feeding (score: 3): Author: ko5d@juno.com (JOHN M WEBB); Date: Mon, 08 Sep 1997 19:27:57 EDT; Hello to all,To all that replied on the bleeder resistors I am sending a e-mail reply and you should receive soon. Now to the big question.I have a sloper antenna system for 3.5 mhz.They are the guy; /archives//html/Topband/1997-09/msg00080.html (7,442 bytes)
80. TopBand: Charlie O'Brien, W2EQS W9NFC (score: 3): Author: n9dx@michiana.org (Larry Higgins); Date: Mon, 20 Jan 1997 23:09:22 -0500; A footnote to W8JI's posting about Charlie: Tom, you may already know that Charlie put up a 100 foot tower a year or two before he died, and planted a zillion radials under it. The difference was suc; /archives//html/Topband/1997-01/msg00003.html (7,845 bytes)

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