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Total 179 documents matching your query.

61. Re: [TowerTalk] RG6 (score: 1)
Author: "Peter Voelpel" <df3kv@t-online.de>
Date: Tue, 11 Sep 2007 23:06:16 +0200
RG6 is used as a phasing line (half wave balun) with MSquare antennas. So far I had no problem at 2KW+ with my 144MHz antennas 73 Peter TT: I'm wondering if anyone has worked with RG6 for power trans
/archives//html/Towertalk/2007-09/msg00332.html (8,792 bytes)

62. Re: [TowerTalk] exploding foundations and semanticquibblesregarding Ufer & "Single Point" grounds (score: 1)
Author: "Peter Voelpel" <df3kv@t-online.de>
Date: Fri, 14 Sep 2007 15:52:39 +0200
It does not matter what kind of ground system you use as long the conductors are not running through the concrete but outside to prevent explosion of the concrete. Peter --Original Message-- From: to
/archives//html/Towertalk/2007-09/msg00480.html (9,117 bytes)

63. Re: [TowerTalk] Second And Third Age Old Questions (score: 1)
Author: "Peter Voelpel" <df3kv@t-online.de>
Date: Mon, 24 Sep 2007 06:34:20 +0200
Why not fix the coax well above the Tic Ring, do the rotator loop there and then clamp the cable down the guy support of the beam? 73 Peter This has been a tough one for me. The worst possible arrang
/archives//html/Towertalk/2007-09/msg00726.html (8,479 bytes)

64. [TowerTalk] FW: re Wooden poles (score: 1)
Author: "Peter Voelpel" <df3kv@t-online.de>
Date: Thu, 4 Oct 2007 20:04:47 +0200
What&acute;s the weight of such monster, 150 tons? Might be an awful job to get it up and down again after about 20 years 73 Peter Old poles make great supports for 4 squares using elevated radials.
/archives//html/Towertalk/2007-10/msg00091.html (9,769 bytes)

65. Re: [TowerTalk] VE3GK stacking drawing (score: 1)
Author: "Peter Voelpel" <df3kv@t-online.de>
Date: Tue, 9 Oct 2007 13:14:34 +0200
Yes, you will have a hole around 20&deg; with the stack, but that would be very well covered with the lower antenna alone up to 24&deg;. Setting the stack antiphase will have the maximum lobe at abou
/archives//html/Towertalk/2007-10/msg00188.html (11,640 bytes)

66. Re: [TowerTalk] Skyhawk, KT36XA, opinions requested (score: 1)
Author: "Peter Voelpel" <df3kv@t-online.de>
Date: Tue, 9 Oct 2007 15:28:58 +0200
Who buys a cow if he wants just a nap of milk? :-) Why don&acute;t you tell him more about the anomalies of the 34? 73 Peter Sounds like you should take a gander at our tribander comparison report fr
/archives//html/Towertalk/2007-10/msg00191.html (8,638 bytes)

67. Re: [TowerTalk] Skyhawk, KT36XA, opinions requested (score: 1)
Author: "Peter Voelpel" <df3kv@t-online.de>
Date: Tue, 9 Oct 2007 17:36:56 +0200
I certainly will not as the content seems to me very questionable. 73 Peter If you want the nap of milk, you don't need the cow. You go to the store and buy the milk for $17 plus shipping & handling.
/archives//html/Towertalk/2007-10/msg00197.html (7,805 bytes)

68. Re: [TowerTalk] Skyhawk, KT36XA, opinions requested (score: 1)
Author: "Peter Voelpel" <df3kv@t-online.de>
Date: Wed, 10 Oct 2007 02:54:04 +0200
I use "alumslip" (I thinks it&acute;s a product from the U.K.) on he joints of my yagis. Thats a kind of grease mixed with very fine aluminum powder. After mounting and aligment I put a double layer
/archives//html/Towertalk/2007-10/msg00206.html (12,043 bytes)

69. Re: [TowerTalk] Climbing Alone was RE: Safe Climbing (score: 1)
Author: "Peter Voelpel" <df3kv@t-online.de>
Date: Thu, 25 Oct 2007 16:52:19 +0200
I am in the same position and handle all tower work on my own. I also handle large antennas and heavy parts with help of a homebrew electrical winch, which I can operate from any position on the towe
/archives//html/Towertalk/2007-10/msg00675.html (10,226 bytes)

70. Re: [TowerTalk] worlds biggest yagi (score: 1)
Author: "Peter Voelpel" <df3kv@t-online.de>
Date: Fri, 28 Mar 2008 19:06:41 +0100
The rotable arrays of Deutsche Welle Nauen, 80m high, 87m wide, 6-26MHz based on Telefunken technology http://sfbb.sf.funpic.de/bilder/nauen03.jpg More: http://www.senderfotos-bb.de/nauen.htm Similar
/archives//html/Towertalk/2008-03/msg00520.html (9,407 bytes)

71. Re: [TowerTalk] Fwd: Re: Most Connectors sold to Hams are JUNK (score: 1)
Author: "Peter Voelpel" <df3kv@t-online.de>
Date: Mon, 19 May 2008 22:17:38 +0200
I donīt think so. Itīs the cheap ham who wants everything for nothing. If one buys connectors from Spinner, Huber&Suhner, RFS, Andrew etc. he will NEVER get junk 73 Peter Point of view depending whic
/archives//html/Towertalk/2008-05/msg00336.html (9,291 bytes)

72. Re: [TowerTalk] Anyone stacking some large qauds out there? (score: 1)
Author: "Peter Voelpel" <df3kv@t-online.de>
Date: Sat, 7 Jun 2008 09:04:22 +0200
DJ4PT is using stacked Quads on a rotating tower: http://www.pbase.com/df3kv/image/46485720/large 73 Peter I know there was a VK that use to have some but he went over to yagi stack when he lost his
/archives//html/Towertalk/2008-06/msg00139.html (8,665 bytes)

73. Re: [TowerTalk] FIRST TOWER UP AND LOOKING GORGEOUS (score: 1)
Author: "Peter Voelpel" <df3kv@t-online.de>
Date: Mon, 9 Jun 2008 06:09:58 +0200
Itīs not, my KLM logperiodic at 30 feet quite often is as good a my high monobander at 140 feet and I did that on purpose. Generally itīs my best antenna for Europe. It depends on the arrivle angles
/archives//html/Towertalk/2008-06/msg00168.html (9,493 bytes)

74. Re: [TowerTalk] Vert. 1/2 wave dipole vs Hori. 1/2 wave dipole? (score: 1)
Author: "Peter Voelpel" <df3kv@t-online.de>
Date: Sat, 14 Jun 2008 09:37:56 +0200
I did that comparison on 40m with dx stations only and it was a big difference. I used a L-tuner with my 1/4 80m vertical above 3km of radials 20-30m long and used an inverted-V dipol at 30m height,
/archives//html/Towertalk/2008-06/msg00278.html (7,940 bytes)

75. Re: [TowerTalk] Vert. 1/2 wave dipole vs Hori. 1/2 wave dipole? (score: 1)
Author: "Peter Voelpel" <df3kv@t-online.de>
Date: Sat, 14 Jun 2008 18:01:22 +0200
A 1/4 wave 80m vertical series fed on 40m is nothing else then a halve wave vertical on 40m which was questioned about. A vertical dipol can be fed at one end, center feed is no must. Radials are use
/archives//html/Towertalk/2008-06/msg00285.html (9,032 bytes)

76. Re: [TowerTalk] Vert. 1/2 wave dipole vs Hori. 1/2 wave dipole? (score: 1)
Author: "Peter Voelpel" <df3kv@t-online.de>
Date: Sat, 14 Jun 2008 21:23:23 +0200
The bobtail curtain array as well as the halfsquare is using vertical elements a 1/4 wave high. Feeding a half wave vertical from top or bottom makes no difference at all, it is high impedance at the
/archives//html/Towertalk/2008-06/msg00288.html (10,887 bytes)

77. Re: [TowerTalk] Vert. 1/2 wave dipole vs Hori. 1/2 wave dipole? (score: 1)
Author: "Peter Voelpel" <df3kv@t-online.de>
Date: Sun, 15 Jun 2008 21:14:06 +0200
My half wave vertical on 40m was not fed against the ground screen anyway, the radials were just underneath. But even fed against that ground screen would not change anything, there is no current flo
/archives//html/Towertalk/2008-06/msg00307.html (9,833 bytes)

78. Re: [TowerTalk] 1/2 wave vertical vs 1/2 wave horizontal dipole (score: 1)
Author: "Peter Voelpel" <df3kv@t-online.de>
Date: Mon, 16 Jun 2008 02:44:19 +0200
One describes a dipole, the other s monopole, what do you want to tell with those links? 73 Peter <<<The vertical dipole COULD be end-fed, against a radial screen.>>> Read <a href="http://en.wikipedi
/archives//html/Towertalk/2008-06/msg00322.html (8,383 bytes)

79. Re: [TowerTalk] NSS Tower Demolition Video (score: 1)
Author: "Peter Voelpel" <df3kv@t-online.de>
Date: Fri, 11 Jul 2008 16:27:36 +0200
--Original Message-- From: towertalk-bounces@contesting.com [mailto:towertalk-bounces@contesting.com] On Behalf Of donovanf@starpower.net Sent: Freitag, 11. Juli 2008 15:56 To: towertalk@contesting.c
/archives//html/Towertalk/2008-07/msg00303.html (7,697 bytes)

80. Re: [TowerTalk] Yagi Balun (score: 1)
Author: "Peter Voelpel" <df3kv@t-online.de>
Date: Sat, 19 Jul 2008 19:06:36 +0200
Typically with a t-match the matching arms are adjusted for an impedance of 200 ohms and then a halfwave coax 4:1 transformer is used for matching to 50 ohms unbalanced feedline. 73 Peter I do believ
/archives//html/Towertalk/2008-07/msg00511.html (9,875 bytes)


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