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References: [ +from:w8ji.tom@MCIONE.com: 321 ]

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101. [TowerTalk] Aluminum mast (score: 1): Author: w8ji.tom@MCIONE.com (w8ji.tom); Date: Mon, 12 Oct 1998 19:25:01 -0400; Anyone ever done a strength vs weight vs cost analysis of common mast sizes? 73 Tom -- FAQ on WWW: http://www.contesting.com/towertalkfaq.html Submissions: towertalk@contesting.com Administrative req; /archives//html/Towertalk/1998-10/msg00319.html (7,659 bytes)
102. [TowerTalk] Re: Munimula masts, a serious question (score: 1): Author: w8ji.tom@MCIONE.com (w8ji.tom); Date: Mon, 12 Oct 1998 19:39:52 -0400; Hi Ken, I don't know what I said that was highly inflammatory. I haven't had a glass of sour milk with two scoops of dirt today. Seems like us mechanically challenged folks could use some real number; /archives//html/Towertalk/1998-10/msg00320.html (8,745 bytes)
103. [TowerTalk] 67pf doorknob needed (score: 1): Author: w8ji.tom@MCIONE.com (w8ji.tom); Date: Wed, 14 Oct 1998 10:28:35 -0400; "New price" on a 850 series door knob is: Wholesale $4.95 Retail $10.95 "New price" on an 858 series door knob is: Wholesale $9.85 Retail $21.20 I have no idea what the "surplus" prices are, but qui; /archives//html/Towertalk/1998-10/msg00423.html (7,489 bytes)
104. [TowerTalk] Response to R for math (score: 1): Author: w8ji.tom@MCIONE.com (w8ji.tom); Date: Wed, 14 Oct 1998 11:23:46 -0400; Hey Guys, This is starting to take on the flavor of the amp reflector! What could have been a good reflector turned to crap, because of personal insults and name calling. Everyone makes technical mis; /archives//html/Towertalk/1998-10/msg00424.html (9,049 bytes)
105. [TowerTalk] Will 10 Mtr Vertical Reduce RFI in SO2R? (score: 1): Author: w8ji.tom@MCIONE.com (w8ji.tom); Date: Wed, 14 Oct 1998 11:45:45 -0400; in the putting This is a real problem! Remember a horizontal antenna radiates with "vertical polarity" off the ends (even in the far field), and the view of the antennas is complicated by the fact t; /archives//html/Towertalk/1998-10/msg00425.html (9,662 bytes)
106. [TowerTalk] SB1000 BANDSWITCH (score: 1): Author: w8ji.tom@MCIONE.com (w8ji.tom); Date: Wed, 14 Oct 1998 12:19:09 -0400; I wasn't going to post an answer on towertalk, but I will. The amp reflector is useless for good info, because it has such a poisonous environment! I designed the SB-1000, and two other Heath amps. U; /archives//html/Towertalk/1998-10/msg00426.html (10,291 bytes)
107. [TowerTalk] Response to R for math (score: 1): Author: w8ji.tom@MCIONE.com (w8ji.tom); Date: Wed, 14 Oct 1998 11:10:09 -0400; Hi Denny, Pardon my ignorance, being mechanically challenged I go by rumor, folklore, hear-say and rough approximations on mechanical issues. My old friend Wiley Bunn, now a SK, was a mechanical engi; /archives//html/Towertalk/1998-10/msg00427.html (9,521 bytes)
108. [TowerTalk] RE: Concrete an insulator??? (score: 1): Author: w8ji.tom@MCIONE.com (w8ji.tom); Date: Thu, 15 Oct 1998 10:50:00 -0400; Hi Peter, Peter, I'm very sorry you were targeted with nasty insulting comments. Even if you were wrong, you never deserved to be insulted that way. The tragedy is you were not wrong. As you pointed; /archives//html/Towertalk/1998-10/msg00468.html (7,784 bytes)
109. [TowerTalk] quad vs. yagi @ low height (score: 1): Author: w8ji.tom@MCIONE.com (w8ji.tom); Date: Fri, 16 Oct 1998 08:41:14 -0400; Hi John, at loops If we use the IRE definition of radiation resistance (total power radiated as EM energy divided by the square of net or effective current causing the radiation), the quad element ha; /archives//html/Towertalk/1998-10/msg00493.html (8,664 bytes)
110. [TowerTalk] quad vs. yagi @ low height (score: 1): Author: w8ji.tom@MCIONE.com (w8ji.tom); Date: Fri, 16 Oct 1998 08:43:15 -0400; Hi Dave, By the way, this does not belong cross-posted on top band. I expect W4ZV will be making that perfectly clear very soon! This is one of those tar baby threads, because people who have loops a; /archives//html/Towertalk/1998-10/msg00494.html (9,328 bytes)
111. [TowerTalk] 160meter half sloper (score: 1): Author: w8ji.tom@MCIONE.com (w8ji.tom); Date: Fri, 16 Oct 1998 21:46:57 -0400; Hi Eric, I don't understand that statement Eric. The loading inductor is in series with one terminal of the coax. How can it not add loss? Loss in a loading component has nothing to do with radiation; /archives//html/Towertalk/1998-10/msg00516.html (8,141 bytes)
112. [TowerTalk] Folded Monopole (score: 1): Author: w8ji.tom@MCIONE.com (w8ji.tom); Date: Sat, 17 Oct 1998 08:05:47 -0400; Hi Larry, because it is much simplier for me support on my city lot to hold up the Thanks Any reasonably tall well constructed vertical works very well on 160, but you need a fairly good ground syste; /archives//html/Towertalk/1998-10/msg00528.html (7,948 bytes)
113. [TowerTalk] Ground Rods (score: 1): Author: w8ji.tom@MCIONE.com (w8ji.tom); Date: Sat, 17 Oct 1998 09:29:22 -0400; Hi Lyn, Lightning has almost no "dc" content, it is a rapidly changing voltage and current. Skin depth at 1.8 MHz is over 40 feet deep in poor soil, and that "depth" means 30% of the total current st; /archives//html/Towertalk/1998-10/msg00531.html (8,210 bytes)
114. [TowerTalk] Short-Snort (score: 1): Author: w8ji.tom@MCIONE.com (w8ji.tom); Date: Sat, 17 Oct 1998 10:40:26 -0400; That's right on ALL counts Dennis. n7rt@doitnow.com I assume N7RT has never owned a Ten-tec, Yaesu, or Kenwood either. Because they have ALL had this and other problems. That's why it is an especiall; /archives//html/Towertalk/1998-10/msg00534.html (9,659 bytes)
115. [TowerTalk] 160meter half sloper (score: 1): Author: w8ji.tom@MCIONE.com (w8ji.tom); Date: Sat, 17 Oct 1998 21:01:32 -0400; Hi Eric, Understood now. 73 Tom -- FAQ on WWW: http://www.contesting.com/towertalkfaq.html Submissions: towertalk@contesting.com Administrative requests: towertalk-REQUEST@contesting.com Problems: ow; /archives//html/Towertalk/1998-10/msg00557.html (7,708 bytes)
116. [TowerTalk] Folded Monopole (score: 1): Author: w8ji.tom@MCIONE.com (w8ji.tom); Date: Sat, 17 Oct 1998 21:10:00 -0400; Hi Tom, Same. Folding makes no difference in efficiency, except the increased conductor area from the additional conductor slightly lowers the already minuscule "copper loss" in the wire. If you use; /archives//html/Towertalk/1998-10/msg00558.html (8,261 bytes)
117. [TowerTalk] Folded Monopole (score: 1): Author: w8ji.tom@MCIONE.com (w8ji.tom); Date: Mon, 19 Oct 1998 08:47:27 -0400; Hi Larry, impedance Circulating currents and losses are a function of VAR (volt-amperes reactive) power as well as the resistive part of the impedance. With an omega match, losses are always higher t; /archives//html/Towertalk/1998-10/msg00652.html (9,851 bytes)
118. [TowerTalk] N6AW on 30m BIG GUN SIGNAL (score: 1): Author: w8ji.tom@MCIONE.com (w8ji.tom); Date: Mon, 19 Oct 1998 09:46:17 -0400; Hi Josh, Of course I can't say if what you heard was "real or Memorex", but I'm skeptical about antennas provide exceptional gain in all directions at all distances. A Rhombic 350 meters on a side (1; /archives//html/Towertalk/1998-10/msg00653.html (9,807 bytes)
119. [TowerTalk] A Question of GAIN (score: 1): Author: w8ji.tom@MCIONE.com (w8ji.tom); Date: Mon, 19 Oct 1998 13:59:05 -0400; Hi all.. Antenna's develop "gain" because of cancellation of radiation in unwanted directions. In order to have gain, the system must force a null into what once was an area of appreciable radiation.; /archives//html/Towertalk/1998-10/msg00659.html (11,549 bytes)
120. [n7cl@toontown.mmsi.com: Re: [TowerTalk] A Question of GAIN] (score: 1): Author: w8ji.tom@MCIONE.com (w8ji.tom); Date: Tue, 20 Oct 1998 08:25:18 -0400; Hi Eric, here is a reason no one named that effect, it already has a name. It is not actually from diversity, but rather from increased directivity (skywave only). If the fading is caused by Faraday; /archives//html/Towertalk/1998-10/msg00695.html (11,259 bytes)

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