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1. [TowerTalk] Gotham ? triband (score: 1): Author: b_bradfield@yahoo.com (Brad Bradfield); Date: Tue, 6 Nov 2001 17:44:54 -0800 (PST); Also, I don't think Gotham ever made a tri-bander did they? All I remember is their mono-banders and verticals. 73, Brad, W5CGH == __________________________________________________ Do You Yahoo!? Fi; /archives//html/Towertalk/2001-11/msg00130.html (7,810 bytes)
2. [TowerTalk] How to books (score: 1): Author: b_bradfield@yahoo.com (Brad Bradfield); Date: Fri, 12 Oct 2001 10:21:16 -0700 (PDT); In addition to the other books already mentioned, I also regularly use Kraus' (W8JK) "Antennas", Edmund A. Laport's "Radio Antenna Engineering" (1951, but occasionally available on eBay), and Capt Pa; /archives//html/Towertalk/2001-10/msg00263.html (7,773 bytes)
3. [TowerTalk] Viking KW matchbox. (score: 1): Author: b_bradfield@yahoo.com (Brad Bradfield); Date: Wed, 17 Oct 2001 06:47:29 -0700 (PDT); Hi Tom - - Kilowatt Matchboxes show up at hamfests around here (Dallas/Ft Worth/North Texas) in the $200-300 range typically, with the low power tuner in the $90-125 range. As someone else said, the; /archives//html/Towertalk/2001-10/msg00332.html (9,371 bytes)
4. [TowerTalk] RE: High or Low (score: 1): Author: b_bradfield@yahoo.com (Brad Bradfield); Date: Fri, 19 Oct 2001 10:17:20 -0700 (PDT); I can speak for six-meters, and ten-meters has some of the same propagation characteristics as six, and say that there are times when a lower antenna will hear signals that a higher one doesn't even; /archives//html/Towertalk/2001-10/msg00357.html (7,307 bytes)
5. [TowerTalk] Multiband dipoles (score: 1): Author: b_bradfield@yahoo.com (Brad Bradfield); Date: Thu, 25 Oct 2001 15:39:53 -0700 (PDT); Breed's design (now patented) had only one element driven as a dipole. The elements for the other frequencies (three total in his WARC example that you mentioned) were "closely coupled resonators", a; /archives//html/Towertalk/2001-10/msg00520.html (8,285 bytes)
6. [TowerTalk] guy rod angle (score: 1): Author: b_bradfield@yahoo.com (Brad Bradfield); Date: Fri, 7 Sep 2001 08:33:28 -0700 (PDT); Unfortunately, the calculation is not QUITE that simple, but not terribly difficult either, and your assumption is actually pretty close. While your assumption that the guy tensions will all be the s; /archives//html/Towertalk/2001-09/msg00277.html (11,540 bytes)
7. [TowerTalk] guy rod angle (score: 1): Author: b_bradfield@yahoo.com (Brad Bradfield); Date: Fri, 7 Sep 2001 08:46:28 -0700 (PDT); I forgot to mention one thing. While I said that the angle of the anchor rod "probably" wasn't all that critical, I was really referring to a typical tower/guy combination on fairly level ground. The; /archives//html/Towertalk/2001-09/msg00279.html (10,036 bytes)
8. [TowerTalk] guy rod angle (score: 1): Author: b_bradfield@yahoo.com (Brad Bradfield); Date: Fri, 7 Sep 2001 09:19:22 -0700 (PDT); Let me tell you, my Statics professor (Is that old fossil still alive??) would be proud that I even remember as much of what he taught me as I've already told you. We're really digging into the dark; /archives//html/Towertalk/2001-09/msg00285.html (10,765 bytes)
9. [TowerTalk] Mystery antenna switch (score: 1): Author: b_bradfield@yahoo.com (Brad Bradfield); Date: Thu, 13 Sep 2001 06:19:27 -0700 (PDT); My guess is that this is NOT military, and certainly not Navy. SO-239's are not a MIL connector. 73, Brad, W5CGH == __________________________________________________ Terrorist Attacks on U.S. - How; /archives//html/Towertalk/2001-09/msg00433.html (8,663 bytes)
10. [TowerTalk] antenna height (score: 1): Author: b_bradfield@yahoo.com (Brad Bradfield); Date: Fri, 10 Aug 2001 10:24:56 -0700 (PDT); Hi Larry and the group - - I've been out of the broadcast engineering business for about 20 years, but the following is still fairly accurate as far as I know. Towers are painted in an odd number of; /archives//html/Towertalk/2001-08/msg00230.html (9,610 bytes)
11. [TowerTalk] New book announcements (score: 1): Author: b_bradfield@yahoo.com (Brad Bradfield); Date: Mon, 13 Aug 2001 09:46:59 -0700 (PDT); Not sure I understand the basis for this comment. I'm not a subscriber to AntenneX, and don't know an awful lot about it. One thing I DO know is that L. B. Cebik is a regular contributer, and every c; /archives//html/Towertalk/2001-08/msg00297.html (9,045 bytes)
12. [TowerTalk] Take down Rohn 25G tower with crane? (score: 1): Author: b_bradfield@yahoo.com (Brad Bradfield); Date: Mon, 9 Jul 2001 11:57:18 -0700 (PDT); "Liquid Wrench", available at most any hardware store or home builder's center, is one brand that I've used with good success for years. As Bill said, it sometimes takes more than one application and; /archives//html/Towertalk/2001-07/msg00159.html (9,519 bytes)
13. [TowerTalk] Braided Ground Strapping (score: 1): Author: b_bradfield@yahoo.com (Brad Bradfield); Date: Tue, 19 Jun 2001 05:42:34 -0700 (PDT); Common practice in broadcast ground systems is to use only silver solder on the ground bus. This must be the "hard" silver solder as used in air conditioning systems, not the "soft" stuff that's more; /archives//html/Towertalk/2001-06/msg00468.html (9,655 bytes)
14. [TowerTalk] 7075-T6 Aluminum (score: 1): Author: b_bradfield@yahoo.com (Brad Bradfield); Date: Thu, 21 Jun 2001 08:30:57 -0700 (PDT); Also, one of these alloys can be welded and the other can't, I believe. Is it the 6000 series that can be welded? 73, Brad, W5CGH == __________________________________________________ Do You Yahoo!?; /archives//html/Towertalk/2001-06/msg00504.html (8,866 bytes)
15. [TowerTalk] Removing Oil from a Motor (score: 1): Author: b_bradfield@yahoo.com (Brad Bradfield); Date: Thu, 21 Jun 2001 11:51:53 -0700 (PDT); Carburator cleaner is about the best solvent I've ever used. 73, Brad, W5CGH == __________________________________________________ Do You Yahoo!? Get personalized email addresses from Yahoo! Mail htt; /archives//html/Towertalk/2001-06/msg00511.html (9,165 bytes)
16. [TowerTalk] Questions on my tower (score: 1): Author: b_bradfield@yahoo.com (Brad Bradfield); Date: Thu, 17 May 2001 05:23:06 -0700 (PDT); Kind of like a "50% chance of showers", right?? 73, Brad, W5CGH == __________________________________________________ Do You Yahoo!? Yahoo! Auctions - buy the things you want at great prices http://a; /archives//html/Towertalk/2001-05/msg00381.html (8,830 bytes)
17. [TowerTalk] STAINLESS STEEL (Was: New Source for Yagi Ubolts) (score: 1): Author: b_bradfield@yahoo.com (Brad Bradfield); Date: Wed, 30 May 2001 09:25:09 -0700 (PDT); There are something like 60 different grades of stainless steel, differing primarily in their alloying materials. Most contain something like a 10 or 11% minimum quantity of chromium. The more common; /archives//html/Towertalk/2001-05/msg00626.html (9,280 bytes)
18. [TowerTalk] Connectors (score: 1): Author: b_bradfield@yahoo.com (Brad Bradfield); Date: Wed, 4 Apr 2001 06:51:19 -0700 (PDT); Hi Ian - - The silver plated PL-259's are DEFINITELY easier to solder. Texas Towers (http://www.texastowers.com) used to carry the good Amphenol PL-259 connectors, and I assume they still do. In shor; /archives//html/Towertalk/2001-04/msg00085.html (10,567 bytes)
19. [TowerTalk] Guy wires as inverted Vee? (score: 1): Author: b_bradfield@yahoo.com (Brad Bradfield); Date: Wed, 25 Apr 2001 19:47:55 -0700 (PDT); Hi Tom - - I've been doing just this for nearly 20 years. When I originally put up my tower, I insulated the top set of guys, and feed it with window line. I had originally intended to place a relay; /archives//html/Towertalk/2001-04/msg00547.html (11,161 bytes)
20. [TowerTalk] K2RIW 432-19 YAGI (score: 1): Author: b_bradfield@yahoo.com (Brad Bradfield); Date: Thu, 15 Mar 2001 11:35:25 -0800 (PST); Hello from Texas y'all - - Several years ago, I bought a couple of nicely homebrewed, but unassembled, K2RIW 432-19 Yagis. I am only now attempting to assemble these, and find that the maker's docume; /archives//html/Towertalk/2001-03/msg00309.html (7,123 bytes)

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