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1. [TowerTalk] Painting fiberglass antennas (score: 1): Author: k0rc@pclink.com (Robert Chudek); Date: Sun Apr 13 14:17:13 2003; If you must "paint" the top of your Diamond, you can use polyester resin, hardner, and a white pigment "coloring" additive. These products can be found at marine supply houses and are used for marine; /archives//html/Towertalk/2003-04/msg00222.html (9,295 bytes)
2. [Towertalk] attenuation of fir trees at 50 mhz and 144 (score: 1): Author: k0rc@pclink.com (k0rc); Date: Sun, 19 May 2002 14:28:31 -0500; Good point Chris... Actually this characteristic is true for decideous trees as well. During my 432 MHz ATV career I remember seeing a major difference in path attenuation between summer and winter.; /archives//html/Towertalk/2002-05/msg00464.html (8,174 bytes)
3. [Towertalk] Rohn 25G rating (score: 1): Author: k0rc@pclink.com (k0rc); Date: Thu, 23 May 2002 08:50:18 -0500; Ford, I would get a written quote for replacement Rohn 25G from a dealer, including tax, license, and freight. :-) Then a written quote to have someone install it for you. This is equivalent replacem; /archives//html/Towertalk/2002-05/msg00608.html (10,009 bytes)
4. [TowerTalk] mast weight (score: 1): Author: k0rc@pclink.com (Robert Chudek); Date: Mon, 14 Apr 1997 03:06:59 +0100; weighs plate, of the To: <towertalk@contesting.com> Why bother with the danger of switching a 135 pound load over to a come along at the top of the tower? Simply drop the cable through the mast and o; /archives//html/Towertalk/1997-04/msg00386.html (9,412 bytes)
5. [TowerTalk] How do u take down a tower? (score: 1): Author: k0rc@pclink.com (Robert Chudek); Date: Tue, 15 Apr 1997 04:03:49 +0100; Several years ago I found it necessary to hire a crane to remove my 90 foot self supporting aluminum tower at my old QTH. In the Minneapolis/St. Paul Minnesota area it cost me $150.00 per hour, porta; /archives//html/Towertalk/1997-04/msg00408.html (8,574 bytes)
6. [TowerTalk] Spring Tower Inspection & Maintenance! -Rep (score: 1): Author: k0rc@pclink.com (Robert Chudek); Date: Tue, 01 Apr 1997 02:58:49 +0000; Rohn drawing B-690712 states "Space cable clamps or fist grips 6 X cable diameter apart (U-bolt shall bear on dead end)". This particular illustration appears to be drawn to approximate scale, where; /archives//html/Towertalk/1997-03/msg00003.html (8,738 bytes)
7. [TowerTalk] insulated wire wrapped-back (score: 1): Author: k0rc@pclink.com (Robert Chudek); Date: Sat, 22 Mar 1997 17:31:37 +0000; Hello Dave... I use this technique on both my 80 and 160 meter inverted vee antennas. I have about 4 feet looped back on each end. This allows me to easily drop the ends and adjust them to resonate a; /archives//html/Towertalk/1997-03/msg00355.html (9,455 bytes)
8. [TowerTalk] Sommer Antennas ? (score: 1): Author: k0rc@pclink.com (Robert Chudek); Date: Thu, 27 Mar 1997 05:16:21 +0000; This is a great (typical) ham story! Charles, you wanted Sommer to give you $1,000 work of antennas that afternoon. You might as well as asked him for crisp twenty's, neatly bundled together in a sta; /archives//html/Towertalk/1997-03/msg00601.html (9,946 bytes)
9. [TowerTalk] New T2X (score: 1): Author: k0rc@pclink.com (Robert Chudek); Date: Sun, 30 Mar 1997 00:25:31 +0000; KT-34XA Dave you are correct, the HDBX-48 uses sections BX-8 through BX-3. The Rohn drawing A-760001 states the following wind load specifications for the various combinations of BX-1 through BX-8 ta; /archives//html/Towertalk/1997-03/msg00696.html (11,941 bytes)
10. Belden 9913 & Aluminum towers (score: 1): Author: k0rc@pclink.com (Robert Chudek); Date: Tue, 11 Feb 1997 04:11:30 +0000; Hello Ed Sleight & reflectorites... Two topics in this post... I have connected Belden 9913 directly to my antennas for a number of years (over 4, less than 6). The coax comes up a tower leg and make; /archives//html/Towertalk/1997-02/msg00224.html (10,821 bytes)
11. Aluminum Tower idiosyncracy (score: 1): Author: k0rc@pclink.com (Robert Chudek); Date: Tue, 11 Feb 1997 23:48:33 +0000; Yes, I replaced my 30" base section with two new 30" sections (took out a 22" straight section further up) to increase the wind load capacity. I brought the damaged section to a professional welder w; /archives//html/Towertalk/1997-02/msg00254.html (9,555 bytes)
12. Coax Wind Resistance Grease (score: 1): Author: k0rc@pclink.com (Robert Chudek); Date: Mon, 17 Feb 1997 23:32:25 +0000; -preamble snipped After 96 years, Wilbur is still right... Think about it! 73 de Bob - K0RC -- FAQ on WWW: http://www.contesting.com/towertalkfaq.html Submissions: towertalk@contesting.com Administra; /archives//html/Towertalk/1997-02/msg00372.html (7,290 bytes)
13. Sources for fiberglass spreaders? (score: 1): Author: k0rc@pclink.com (Robert Chudek); Date: Thu, 02 Jan 1997 10:16:46 +0000; Maybe I've had just one too many cans of Dr Pepper tonight and I'm over the edge... Why do so many hams feel the necessary to disclaim affiliation with a company or service when posting a reply on th; /archives//html/Towertalk/1997-01/msg00018.html (8,155 bytes)
14. Open in coax (score: 1): Author: k0rc@pclink.com (Robert Chudek); Date: Tue, 15 Oct 1996 16:37:00 +0100; As a previous dealer for a broad range of connector mfgr's and types, I have experience with the problem you have described about the type N connector center pins decoupling. The problem is the expan; /archives//html/Towertalk/1996-10/msg00176.html (10,824 bytes)
15. Determine geographic North (score: 1): Author: k0rc@pclink.com (Robert Chudek); Date: Thu, 24 Oct 1996 20:34:21 +0100; I've been waiting for the opportunity to share this technique with the world. It looks like the time has arrived! But first a brief aside... I've been amazed by the claims that extraterrestrials laye; /archives//html/Towertalk/1996-10/msg00316.html (8,777 bytes)
16. Determine geographic North (score: 1): Author: k0rc@pclink.com (Robert Chudek); Date: Fri, 25 Oct 1996 21:52:11 +0100; OK Bill, I sit corrected... [I can't stand and type at the same time :-)] You are correct. I left out one critical part. I've rounded up the final word and submit "Rev B" for the procedure. The foll; /archives//html/Towertalk/1996-10/msg00325.html (10,158 bytes)
17. MOSELEY JR PROBLEM (score: 1): Author: k0rc@pclink.com (Robert Chudek); Date: Sun, 21 Jul 1996 22:05:22 +0100; Typically you will see a trap self resonate just below the band it is designed for, i.e., a 15 meter trap should show a dip somewhere 20.500 <> 21.000 MHz. KL7HF is correct in saying that it is highl; /archives//html/Towertalk/1996-07/msg00135.html (8,338 bytes)
18. PRO-67C, Any Comments? (score: 1): Author: k0rc@pclink.com (Robert Chudek); Date: Fri, 26 Jul 1996 13:58:41 +0100; Hello Steve, What yagi antenna configuration would you recommend for a 90 foot self-supporting tower rated at 15 sq ft load, and be able to operate all bands 10m through 40m? I will be moving soon an; /archives//html/Towertalk/1996-07/msg00164.html (9,131 bytes)
19. [TowerTalk] Dipole resonates lower than expected. (score: 1): Author: "Robert Chudek" <k0rc@pclink.com>; Date: Sun, 16 Oct 2005 10:49:32 -0500; I slapped together an 80m dipole using the L=468/F formula and find that it resonates about 200 KHz lower than expected. My target frequency was 3.775 MHz. That's 124 feet on my calculator. I built i; /archives//html/Towertalk/2005-10/msg00556.html (7,993 bytes)
20. Re: [TowerTalk] Dipole resonates lower than expected. (score: 1): Author: "Robert Chudek" <k0rc@pclink.com>; Date: Sun, 16 Oct 2005 17:59:31 -0500; Thanks for the many replies! I knew velocity factors of coax changed depending upon the dielectric, but I couldn't remember if this was true for a single wire radiator. Everyone agrees it does. Gene,; /archives//html/Towertalk/2005-10/msg00580.html (10,654 bytes)

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