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101. [TowerTalk] Petrezewski (sp?) array .. (score: 1): Author: thompson@mindspring.com (thompson@mindspring.com); Date: Thu, 5 Apr 2001 23:49:49 -0400; The viariations of this array (sloping dipole, K8UR, 4X array, and K3LR) are a step up from most antennas on 40/80/160. But as K3LR and KC1XX are finding a high rotatable 2 el beam (or bigger) is as; /archives//html/Towertalk/2001-04/msg00126.html (10,336 bytes)
102. [TowerTalk] KT34XA upgrades are available (score: 1): Author: thompson@mindspring.com (thompson@mindspring.com); Date: Wed, 11 Apr 2001 15:51:26 -0400; I'd believe K6MYC as he originally designed the antenna. Look in CQ Contest magazine (back page I think) for the new specs! K6MYC, List Sponsor: ChampionRadio.com - Trylon self-supporting towers, saf; /archives//html/Towertalk/2001-04/msg00287.html (8,673 bytes)
103. [TowerTalk] Cushcraft 2 el 40 and interaction (score: 1): Author: thompson@mindspring.com (David L. Thompson); Date: Tue, 24 Apr 2001 13:57:48 -0400; The Cushcraft 2 el 40 does interact with the 15 meter portion of almost any tri-bander (the KT34XA etc) although N4KG is correct that it works well on 17 (18mhz). I feel much of the interaction comes; /archives//html/Towertalk/2001-04/msg00523.html (8,112 bytes)
104. [TowerTalk] Tilting Boom Design (score: 1): Author: thompson@mindspring.com (David L. Thompson); Date: Mon, 30 Apr 2001 16:37:03 -0400; There have been several tilt a boom designs. The first was thje W4GL all driven arrays back in the 50's with tilt a boom design. W4GL may have a lock on the name at the time. Hy-gain used a tilt a bo; /archives//html/Towertalk/2001-04/msg00641.html (8,791 bytes)
105. [TowerTalk] Coax Rating (score: 1): Author: thompson@mindspring.com (thompson@mindspring.com); Date: Thu, 1 Mar 2001 10:06:39 -0500; RG-8X is rated to 700 watts CCS....most of us don't push this limit. For casual use 8X is Ok. (as is RG58 Steve) The losses can start to add up on 10...Stay with 213 if running high power in contests; /archives//html/Towertalk/2001-03/msg00021.html (8,183 bytes)
106. [TowerTalk] Sommers Antenna (score: 1): Author: thompson@mindspring.com (thompson@mindspring.com); Date: Sat, 3 Mar 2001 18:23:32 -0500; This is a question I see several times a year. The Sommer (DJ2UT) antenna is a version of the VK2AOU multi-band yagi. The original USA publication of the article was in "Ham Radio" , May 1979. The or; /archives//html/Towertalk/2001-03/msg00084.html (8,973 bytes)
107. [TowerTalk] Portable tower for wire beam (score: 1): Author: thompson@mindspring.com (thompson@mindspring.com); Date: Fri, 9 Mar 2001 15:57:01 -0500; There are several sources for portable masts that can hold up wire antennas but I am looking for inexpensive masts that can hold a 2 or 3 el tribander (30 to 40 '). I know about Force 12 and the Mili; /archives//html/Towertalk/2001-03/msg00185.html (7,322 bytes)
108. [TowerTalk] X-beam (score: 1): Author: thompson@mindspring.com (thompson@mindspring.com); Date: Tue, 13 Mar 2001 22:03:33 -0500; I gave contesters and Dxers a challenge to build a G4ZU Birdcage for either 80 or 160 a couple of years ago. I don't know of anyone who has one, but I do know that many are looking for a way to impro; /archives//html/Towertalk/2001-03/msg00274.html (8,536 bytes)
109. [TowerTalk] back to back yagis (score: 1): Author: thompson@mindspring.com (thompson@mindspring.com); Date: Wed, 14 Mar 2001 16:18:32 -0500; I remember W5RHW had 5 el 20 meter beams back to back in the early 60's. He could switch the beams in an instance. Back then a 5 el monobander by itself was a big antenna! Dave K4JRB -- FAQ on WWW: h; /archives//html/Towertalk/2001-03/msg00291.html (7,600 bytes)
110. [TowerTalk] Results of portable mast search (score: 1): Author: thompson@mindspring.com (thompson@mindspring.com); Date: Mon, 19 Mar 2001 10:33:28 -0500; Here is the results of the portable mast search. 1. Ontario Surplus at web page http://home.att.net/~surplusben/prod01.htm. They sell the AB-577 for about $350 plus shipping. they usually go to Dayto; /archives//html/Towertalk/2001-03/msg00372.html (8,697 bytes)
111. [TowerTalk] Cushcraft 40 meter beam notes (score: 1): Author: thompson@mindspring.com (thompson@mindspring.com); Date: Sun, 25 Mar 2001 22:18:35 -0500; Late this past week I noticed some short pieces of aluminum in the back yard. One had a screw still in the center. Looking closely at my antennas I saw that the capacity hat on one side of the reflec; /archives//html/Towertalk/2001-03/msg00500.html (8,456 bytes)
112. [TowerTalk] Mosley Pro 95 (score: 1): Author: thompson@mindspring.com (thompson@mindspring.com); Date: Mon, 26 Mar 2001 11:27:20 -0500; The Pro 95 is just a 20 to 10 antenna without any 40 meter elements. There is one mounted on Rohn 25 in South Georgia that you can see from I-75 at a truck stop. I went and looked at it and the Rohn; /archives//html/Towertalk/2001-03/msg00510.html (8,051 bytes)
113. [TowerTalk] Summary of replies on Cushcraft 2 el 40 meter problem (score: 1): Author: thompson@mindspring.com (thompson@mindspring.com); Date: Tue, 27 Mar 2001 01:36:37 -0500; Thanks for the many replies on my losing one of the capacity hats on the reflector element. I can see as many pointed out that losing one or both hats on the driven element could move the beam well o; /archives//html/Towertalk/2001-03/msg00527.html (7,522 bytes)
114. [TowerTalk] Tribander question (score: 1): Author: thompson@mindspring.com (thompson@mindspring.com); Date: Wed, 7 Feb 2001 16:54:13 -0500; Some of us have no recourse but to use tri-banders. I did have a stack of KLM beams (6 el 10, 5 el 15, 5 el 20) that was replaced by the KT34XA in 1981. For the peace of mind I can't tell too much di; /archives//html/Towertalk/2001-02/msg00201.html (8,131 bytes)
115. [TowerTalk] VE3BMV Razor beams (score: 1): Author: thompson@mindspring.com (thompson@mindspring.com); Date: Fri, 9 Feb 2001 01:28:50 -0500; I can only speak from seeing the results of the K3BU(VE3BMV) Razor beams. Yuri blew away the competition on the single band he selected to compete in the CQ WW 20 years ago. The razor beam is a Quagi; /archives//html/Towertalk/2001-02/msg00234.html (7,698 bytes)
116. [TowerTalk] Razors (score: 1): Author: thompson@mindspring.com (thompson@mindspring.com); Date: Fri, 9 Feb 2001 21:13:01 -0500; I don't agree with those who say the antennas designed in the 70's were not very effective. Sure equally spaced elements that Bill Orr W6SAI pushed were often a waste of elements and boom length but; /archives//html/Towertalk/2001-02/msg00263.html (11,553 bytes)
117. [TowerTalk] Jontz 60-ft Self-Supporting Tower Info? (score: 1): Author: thompson@mindspring.com (thompson@mindspring.com); Date: Tue, 20 Feb 2001 00:56:48 -0500; Boy, this could go back to the 50's. Jontz and Strato made light duty crank ups altho this is a little larger base and top section than the TV only versions. I remember Jontz telling the world their; /archives//html/Towertalk/2001-02/msg00334.html (8,759 bytes)
118. [TowerTalk] Guy Anchor Failure (score: 1): Author: thompson@mindspring.com (thompson@mindspring.com); Date: Tue, 2 Jan 2001 16:37:36 -0500; Guess I have been lucky but my tower has been up since 1980 at this location without any problems. I did move one of the anchors (they are the stock Rohn) about 5 years ago and saw no damage. I did s; /archives//html/Towertalk/2001-01/msg00069.html (9,072 bytes)
119. [TowerTalk] Portable tribander design help? (score: 1): Author: thompson@mindspring.com (thompson@mindspring.com); Date: Tue, 9 Jan 2001 11:48:21 -0500; Carl, WB4ZNH redesigned a tri-bander so it fit into a 6' long bag. He used it on his many Dxpeditions. You might try his call book address. He does have e-mail too. 73 Dave K4JRB -- FAQ on WWW: http:; /archives//html/Towertalk/2001-01/msg00233.html (8,310 bytes)
120. [TowerTalk] W6SAI SK (score: 1): Author: thompson@mindspring.com (thompson@mindspring.com); Date: Fri, 26 Jan 2001 00:50:01 -0500; This e-mail was received today from W6FR... -- Gentlemen: It is with deep regret to announce that Bill Orr, W6SAI, became a silent key today. Marv, W6FR end-- Dave K4JRB -- FAQ on WWW: http://www.con; /archives//html/Towertalk/2001-01/msg00686.html (6,815 bytes)

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