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81. [TowerTalk] P.S.: Surge supression (score: 1): Author: "Rob Atkinson, K5UJ" <k5uj@hotmail.com>; Date: Fri, 07 Nov 2003 18:45:11 +0000; It seems to me that it will nevertheless still add an unwanted rf ground loop. It sounds like it might not be a problem provided you have common mode chokes in the feedlines between exciter and amp,; /archives//html/Towertalk/2003-11/msg00218.html (9,527 bytes)
82. Re: [TowerTalk] P.S.: Surge supression (score: 1): Author: "Rob Atkinson, K5UJ" <k5uj@hotmail.com>; Date: Fri, 07 Nov 2003 23:45:10 +0000; I'm certainly no expert but I'll take a stab at this. <The concept of "RF ground loop" does not compute for me. It seems we are getting audio concepts in here.> Yes, one of the problems is RF in the; /archives//html/Towertalk/2003-11/msg00231.html (10,315 bytes)
83. [TowerTalk] re: question for loop users (score: 1): Author: "Rob Atkinson, K5UJ" <k5uj@hotmail.com>; Date: Mon, 10 Nov 2003 14:46:05 +0000; Don't worry about the built in antenna tuner and the length of the loop. Concentrate on building your balanced transmatch. Build it with components that are robust enough to handle your power level a; /archives//html/Towertalk/2003-11/msg00308.html (7,318 bytes)
84. [TowerTalk] Best tuner value? (I think that was the topic) (score: 1): Author: "Rob Atkinson, K5UJ" <k5uj@hotmail.com>; Date: Sat, 29 Nov 2003 01:07:26 +0000; Right, the best tuner depends on what you want to do. For balanced feed lines I use the Bliss Z Matchmaster. It uses two synchronized 30 mH roller inductors and a 1000 pf vac. variable. One of the th; /archives//html/Towertalk/2003-11/msg00624.html (8,426 bytes)
85. [TowerTalk] pushup mast sources (score: 1): Author: "Rob Atkinson, K5UJ" <k5uj@hotmail.com>; Date: Sat, 06 Dec 2003 00:44:26 +0000; Hi folks, It appears from searching through the Radio Shack catalog, that they have discontinued their line of galv. steel pushup masts. I know, I know, all you guys with log periodics are saying, so; /archives//html/Towertalk/2003-12/msg00143.html (7,492 bytes)
86. [TowerTalk] Re Pushup masts and popups (score: 1): Author: "Rob Atkinson, K5UJ" <k5uj@hotmail.com>; Date: Mon, 08 Dec 2003 15:00:22 +0000; First, THANKS to everyone who posted to the list or wrote me directly with advice on sources for pushup masts. I think I've got a lot of leads now. re popups: if they bother you, the solution is to d; /archives//html/Towertalk/2003-12/msg00185.html (7,359 bytes)
87. [TowerTalk] One more ground radial question (score: 1): Author: "Rob Atkinson, K5UJ" <k5uj@hotmail.com>; Date: Wed, 17 Dec 2003 22:40:45 +0000; You have all these guys telling you to add more radials which is true--you do need more. Also, more shorter is better than a few long. But before you go crazy or start messing around with ununs and s; /archives//html/Towertalk/2003-12/msg00495.html (10,126 bytes)
88. [TowerTalk] One more ground radial question (score: 1): Author: "Rob Atkinson, K5UJ" <k5uj@hotmail.com>; Date: Thu, 18 Dec 2003 00:05:39 +0000; Dear Paul: I apologize if I inadvertently denigrated your suggestion regarding ununs. However, I advise you to dial down your sensitivity level. I do not believe I ever wrote anything that cast asper; /archives//html/Towertalk/2003-12/msg00499.html (10,132 bytes)
89. [TowerTalk] Carmen Ambroggio's victory photo (score: 1): Author: "Rob Atkinson, K5UJ" <k5uj@hotmail.com>; Date: Thu, 15 Jan 2004 18:31:51 +0000; As a follow-up to last summer's post regarding a Chicago Tribune story which detailed a battle between Carmen Ambroggio along with his atty., Sheldon Epstein, and residents of Park Ridge IL, over Mr.; /archives//html/Towertalk/2004-01/msg00250.html (7,558 bytes)
90. [TowerTalk] Re: Multi-multi contest QTH for sale (score: 1): Author: "Rob Atkinson, K5UJ" <k5uj@hotmail.com>; Date: Fri, 23 Jan 2004 15:10:40 +0000; So far no one has touched on the real advantage to this thing: Sail out beyond any territorial limit. Run a megawatt. If you can afford the QTH you can afford the 1 Mw tx. You'd have to get the ITU t; /archives//html/Towertalk/2004-01/msg00392.html (7,918 bytes)
91. [TowerTalk] grounding (score: 1): Author: "Rob Atkinson, K5UJ" <k5uj@hotmail.com>; Date: Fri, 23 Jan 2004 15:32:20 +0000; While soldering ground connections is frowned upon by all the the experts, I don't think there's anything wrong with it as long as you also have a strong mechanical connection--i.e. you have a wire c; /archives//html/Towertalk/2004-01/msg00393.html (10,011 bytes)
92. [TowerTalk] grounding (score: 1): Author: "Rob Atkinson, K5UJ" <k5uj@hotmail.com>; Date: Fri, 23 Jan 2004 23:14:35 +0000; <<<But then, you may see oxidation starting to build up in the joint and possibly rendering the connection useless (meaning high resistance). >>> I have had copper wire antennas soldered and exposed; /archives//html/Towertalk/2004-01/msg00411.html (11,310 bytes)
93. [TowerTalk] RE: CadWeld OneShots (Long) (score: 1): Author: "Rob Atkinson, K5UJ" <k5uj@hotmail.com>; Date: Sat, 24 Jan 2004 02:37:12 +0000; Thanks vy much to everyone who responded with information, especially PHIL who wrote up everything blow by blow with way more detail than I expected! Big THANKS Phil--this is enough to really get me; /archives//html/Towertalk/2004-01/msg00423.html (7,877 bytes)
94. [TowerTalk] climbing is risky business (score: 1): Author: "Rob Atkinson, K5UJ" <k5uj@hotmail.com>; Date: Sun, 01 Feb 2004 05:10:46 +0000; I know for sure I'm in category 1, and I'm glad I know that. Much better than being in category 1 and thinking and acting like I'm in no. 3. Thank God for wire antennas on poles and verticals. A frie; /archives//html/Towertalk/2004-02/msg00000.html (7,161 bytes)
95. [TowerTalk] coiled antennas (score: 1): Author: "Rob Atkinson, K5UJ" <k5uj@hotmail.com>; Date: Mon, 02 Feb 2004 14:55:25 +0000; Chris, Coiled antennas (a.k.a. slinkys, a.k.a. giant rubber ducks) were advertized in the ham magazines around 20 years ago. Someone made them commercially, I forget whom. I have not seen them advert; /archives//html/Towertalk/2004-02/msg00026.html (7,800 bytes)
96. RE: [TowerTalk] climbing is risky business (score: 1): Author: "Rob Atkinson, K5UJ" <k5uj@hotmail.com>; Date: Mon, 02 Feb 2004 14:58:10 +0000; Yep Mike, that's the one! Thanks for sending out the URL so everyone can look at it and get a tight sphincter, hi. 73, Rob/K5UJ From: "Mike Gilmer - N2MG" <n2mg@contesting.com> To: towertalk@contesti; /archives//html/Towertalk/2004-02/msg00027.html (9,724 bytes)
97. [TowerTalk] 4' rods (score: 1): Author: "Rob Atkinson, K5UJ" <k5uj@hotmail.com>; Date: Mon, 16 Feb 2004 18:22:13 +0000; Seems to me that if you have enough of them and the ground is always moist not too far down then 4 foot rods would be okay. Some of the commercial tower sites such as cell phone towers use 20 foot ro; /archives//html/Towertalk/2004-02/msg00275.html (7,704 bytes)
98. [TowerTalk] Fla. hurricane news? (score: 1): Author: "Rob Atkinson, K5UJ" <k5uj@hotmail.com>; Date: Fri, 10 Sep 2004 16:51:52 +0000; Shannon, Sure am sorry to read about the disaster. That's the antenna killer: the continuous battering for hours and hours. What a total disaster Florida hams are going through, not to mention everyo; /archives//html/Towertalk/2004-09/msg00171.html (9,529 bytes)
99. RE: [BULK] - [TowerTalk] Fla. hurricane news? (score: 1): Author: "Rob Atkinson, K5UJ" <k5uj@hotmail.com>; Date: Fri, 10 Sep 2004 21:03:18 +0000; Thanks Steve for the update; also thanks to Bill K4XS. Wow Bill your beam looks like some kind of weird cb antenna now (ka9fox.com/k4xs). If i had just put up a new tower and beam a month or two ago; /archives//html/Towertalk/2004-09/msg00178.html (9,322 bytes)
100. [TowerTalk] FCC Tower Registration (score: 1): Author: "Rob Atkinson, K5UJ" <k5uj@hotmail.com>; Date: Fri, 10 Sep 2004 21:47:02 +0000; Warning: **This is not an expert reply** A few years ago a ham wrote an article in QST about how he got a cell phone company to locate a cell site on his property (actually they approached him like t; /archives//html/Towertalk/2004-09/msg00181.html (10,154 bytes)

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