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141. [Towertalk] Antenna Advice (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Mon, 23 Dec 2002 09:54:27 -0500; I'm not familiar in detail with the W7NI method (I read the article once ages ago) but I think there's one important caveat. Force 12 states the wind area of its antennas in their worst-case alignmen; /archives//html/Towertalk/2002-12/msg00663.html (9,307 bytes)
142. [Towertalk] WHY?!!! (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Tue, 24 Dec 2002 11:20:32 -0500; I think the only thing I would add to John and Guy's explanations is that, considering he's working at 144 MHz, I doubt there is any broadbanded 4:1 commercial balun that will do the job -- the 1/2 w; /archives//html/Towertalk/2002-12/msg00682.html (7,107 bytes)
143. [Towertalk] Guy Wire Assistance (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Tue, 24 Dec 2002 16:27:37 -0500; The Rohn drawing I have shows a top guy of 1/4" EHS for 100 ft of Rohn 55. That says to me that you need the bigger Phillystran, the one rated for 6700 lb. A factor to keep in mind is that Phillystra; /archives//html/Towertalk/2002-12/msg00695.html (7,833 bytes)
144. [Towertalk] Phillystran stretch (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Tue, 24 Dec 2002 20:34:24 -0500; N3RR has suggested that I make it clear that what I was referring to about Phillytran was non-permanent stretchiness (short of the elastic limit). He (and perhaps others) interpreted my original mess; /archives//html/Towertalk/2002-12/msg00711.html (6,634 bytes)
145. [Towertalk] 160mtr vertical with tower (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Sun, 29 Dec 2002 09:51:02 -0500; My 80m lazy-vee parasitic array was originally supported on a 97' tower with three yagis and three sets of conductive guys, all insulated from the tower and grounded at the guy anchor. Later, to acco; /archives//html/Towertalk/2002-12/msg00775.html (7,986 bytes)
146. [Towertalk] re water pipe ground (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Tue, 31 Dec 2002 16:09:13 -0500; Well sure, you can improve the situation, but you're unlikely to make a significant dent in the noise from a vertically polarized gain array on 80, or a 160m transmit vertical, unless you're in a hig; /archives//html/Towertalk/2002-12/msg00796.html (7,841 bytes)
147. [Towertalk] re water pipe ground (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Tue, 31 Dec 2002 16:54:49 -0500; Oh, I don't have a bit of doubt that you're right -- once inside my station, all bets are off. I have very little confidence in the integrity of my various jumpers, etc. I also have no way of knowing; /archives//html/Towertalk/2002-12/msg00798.html (7,772 bytes)
148. [Towertalk] Yaesu Rotators (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Tue, 31 Dec 2002 21:44:59 -0500; The schematic of my G-800SA bears virtually no resemblance to my G-1000SDX. It also works entirely differently. I submit that there is no reason to judge the new ones by analogy to the old design. FW; /archives//html/Towertalk/2002-12/msg00816.html (7,850 bytes)
149. [Towertalk] Low dipoles (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Mon, 04 Nov 2002 10:42:02 -0500; At the last minute before SS, I put up a low dipole for 40m at about 30 feet. It worked great Sunday morning while the sun was up, but for most of the rest of the time my 2-el yagi at 104 feet seemed; /archives//html/Towertalk/2002-11/msg00032.html (7,977 bytes)
150. [TowerTalk] Guy Breakers (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Tue, 05 Nov 2002 08:32:48 -0500; K7GCO has stated a lot of things. Tom has wisely said that for best isolation, you should have several sets of 10-11 foot insulated sections at the ends closest to the tower. For what it's worth, I'm; /archives//html/Towertalk/2002-11/msg00063.html (8,231 bytes)
151. [Towertalk] Huh?!? (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Wed, 06 Nov 2002 09:31:35 -0500; Yes, but I'm afraid they're not alone. For example, on page 22-11 of the Antenna Book, 18th edition, Figure 25, three cable clamps are shown installed in alternating directions! You can't tell which; /archives//html/Towertalk/2002-11/msg00085.html (7,087 bytes)
152. [Towertalk] Towertalk Huh?!? (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Fri, 08 Nov 2002 07:16:22 -0500; And don't have to be retightened, and don't concentrate the stress at small discrete locations. 73, Pete N4ZR Sometimes a tower is just a tower; /archives//html/Towertalk/2002-11/msg00120.html (8,461 bytes)
153. [Towertalk] Grips vs. Clamps (was Huh?!?) (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Fri, 08 Nov 2002 21:13:18 -0500; Until you have to retighten the cable clamps that are located half-way up your top guy set. Not having to go up after them ... priceless 73, Pete N4ZR Sometimes a tower is just a tower; /archives//html/Towertalk/2002-11/msg00130.html (9,107 bytes)
154. [Towertalk] Towertalk Huh?!? (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Sat, 09 Nov 2002 07:27:58 -0500; Try http://www.preformed.com/cgi-bin/displayContent.pl?type=section&id=324 73, Pete N4ZR Sometimes a tower is just a tower; /archives//html/Towertalk/2002-11/msg00137.html (8,845 bytes)
155. [Towertalk] W8JI Web site (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Thu, 14 Nov 2002 21:37:49 -0500; For those who have been asking, or were concerned, W8JI has asked me to pass along that his web site host had a server problem, which resulted in his site being taken off. It will be coming back up a; /archives//html/Towertalk/2002-11/msg00324.html (6,443 bytes)
156. [Towertalk] OPTIMIZED ANTENNA SYSTEM (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Fri, 15 Nov 2002 08:23:42 -0500; You need to look at both the horizontal and vertical spread of the main forward lobe, versus propagation. I am working on some quantitative methods for doing that -- not quite ready for prime time ye; /archives//html/Towertalk/2002-11/msg00339.html (7,813 bytes)
157. [Towertalk] Loop Gain (was LPA designs) (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Sat, 16 Nov 2002 08:49:47 -0500; If the gain of a square loop over a dipole at its mean height is .84 dBI, then it's hard to imagine that the gain of a quad is much more than that, over a yagi at the same mean height. I wonder what; /archives//html/Towertalk/2002-11/msg00371.html (8,709 bytes)
158. [Towertalk] Loop Gain (was LPA designs) (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Sat, 16 Nov 2002 14:28:34 -0500; Actually, when I lived in Taiwan in the late 1960's, there was a religious broadcasting station there that used a three-element tribander (modified for BC frequencies, I assume) to broadcast to the m; /archives//html/Towertalk/2002-11/msg00383.html (9,326 bytes)
159. [Towertalk] IS Boom length the HOLY GRAIL ? (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Sat, 16 Nov 2002 15:24:37 -0500; Seems like I recall that an erstwhile towertalk regular reported a few years ago testing a KT-34XA trap in a homemade calorimeter to measure the loss actually dissipated as heat. The number he came u; /archives//html/Towertalk/2002-11/msg00388.html (9,258 bytes)
160. [Towertalk] Loop Gain (was LPA designs) (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Sat, 16 Nov 2002 15:29:16 -0500; Yes, I recall that, and that any extra gain was a serendipitous benefit. My point was to refute the notion that SWBC stations don't use directional antennas. I had a 20 meter quad from 1956-1959 (I w; /archives//html/Towertalk/2002-11/msg00389.html (9,369 bytes)

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