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References: [ +from:jimjarvis@verizon.net: 152 ]

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121. [TowerTalk] bottom mount rotor (score: 1): Author: "Jim Jarvis" <jimjarvis@verizon.net>; Date: Tue, 19 Sep 2006 07:31:20 -0400; You guys are missing the point, here. If you put the rotor at the bottom of the tower, for easy access, you DO NOT want a heavy, rigid mast. What you want is something light enough that it's going to; /archives//html/Towertalk/2006-09/msg00687.html (7,193 bytes)
122. [TowerTalk] dx skeds/ language translation / inappropriate (score: 1): Author: "Jim Jarvis" <jimjarvis@verizon.net>; Date: Tue, 19 Sep 2006 22:08:05 -0400; TT: This is off-topic, but worth saying once. No response, no comments, no flames, no more thread, if you please. The language translation site which was posted here...and the post itself...pose an i; /archives//html/Towertalk/2006-09/msg00715.html (7,579 bytes)
123. [TowerTalk] tiny tilt over (score: 1): Author: "Jim Jarvis" <jimjarvis@verizon.net>; Date: Wed, 27 Sep 2006 03:15:33 -0400; Valor or Comet made a motorized tiltover mount for precisely this application. Don't know if it's in their current product portfolio or not. Check your local HRO for details. N2EA Message: 2 Date: Tu; /archives//html/Towertalk/2006-09/msg00871.html (7,716 bytes)
124. [TowerTalk] different OCF dipoles (score: 1): Author: "Jim Jarvis" <jimjarvis@verizon.net>; Date: Tue, 03 Oct 2006 03:15:38 -0400; There is a good white paper on the subject of OCF dipoles on the YCCC website, yccc.org. 160M OCF dipoles will exhibit resonances in all amateur bands, through 10M, as shown in that paper. Typically,; /archives//html/Towertalk/2006-10/msg00038.html (7,412 bytes)
125. [TowerTalk] OCF 160 (score: 1): Author: "Jim Jarvis" <jimjarvis@verizon.net>; Date: Wed, 04 Oct 2006 16:46:47 -0400; <snip> I have two trees on my property. They are 195' apart. I am thinking of an OCF dipole with 45' and 90' legs with a 6:1 autotransformer at the feedpoint connected to 50 ohm coax (buckmaster styl; /archives//html/Towertalk/2006-10/msg00092.html (7,855 bytes)
126. [TowerTalk] Insurance, and tower as "accessory structure" (score: 1): Author: "Jim Jarvis" <jimjarvis@verizon.net>; Date: Sat, 07 Oct 2006 22:42:34 -0400; This is a question of contract law. Your insurance agent has the contract in front of him. It MAY specify that accessory structures are attached to the house. Then, again, would a back yard shed be c; /archives//html/Towertalk/2006-10/msg00213.html (7,962 bytes)
127. [TowerTalk] Tower base advise (score: 1): Author: "Jim Jarvis" <jimjarvis@verizon.net>; Date: Sun, 08 Oct 2006 08:38:53 -0400; Not sure if I over did this or not. <snip> The specs only call for a 4x4x8 hole. <snip>(summarize, we did 6.5x6.5x7.5) I hope to schedule the concrete pour for this week. 4000 psi and gonna have it p; /archives//html/Towertalk/2006-10/msg00225.html (8,661 bytes)
128. [TowerTalk] tower insurance (score: 1): Author: "Jim Jarvis" <jimjarvis@verizon.net>; Date: Sun, 08 Oct 2006 11:37:04 -0400; I was told by my Allstate agent that if I want it covered by my homeowners policy any claims will be paid as depreciated value; not replacement value. He recommended a separate policy ("rider") at re; /archives//html/Towertalk/2006-10/msg00234.html (8,426 bytes)
129. [TowerTalk] antenna insurance (score: 1): Author: "Jim Jarvis" <jimjarvis@verizon.net>; Date: Sun, 08 Oct 2006 11:59:32 -0400; One thing I DIDN'T say in my previous posts...and w2ttt asked about, off-line: We moved to MD 9 months after the claims. Travellers refused to write coverage on the new house, even though it wasn't i; /archives//html/Towertalk/2006-10/msg00235.html (7,517 bytes)
130. [TowerTalk] OCF 160 (score: 1): Author: "Jim Jarvis" <jimjarvis@verizon.net>; Date: Mon, 09 Oct 2006 05:12:10 -0400; Eugene, Someone else suggested the Carolina Windom 160. I'll echo that, and expand on the suggestion. Get it made from #12 flexweave, PE insulated. Worth the extra money. Seems to tolerate being in t; /archives//html/Towertalk/2006-10/msg00247.html (6,964 bytes)
131. [TowerTalk] turnbuckles (score: 1): Author: "Jim Jarvis" <jimjarvis@verizon.net>; Date: Mon, 09 Oct 2006 11:29:42 -0400; Denny, Hitchhiking on the WiFi camera idea... I'd also suggest a motion detector and spotlights aimed at the guy anchor area. The objective being to let the intruder know that you know he's there. If; /archives//html/Towertalk/2006-10/msg00262.html (7,945 bytes)
132. [TowerTalk] re; balun on a vertical (score: 1): Author: "Jim Jarvis" <jimjarvis@verizon.net>; Date: Mon, 09 Oct 2006 13:14:51 -0400; Yes, it matters. Two reasons. Read below: <snip> on a vertical with elevated radials, if there are "enough" radials, does it really matter if the feedline acts as just one more radial? On my 40m vert; /archives//html/Towertalk/2006-10/msg00269.html (7,560 bytes)
133. Re: [TowerTalk] Turnbuckle homocide (score: 1): Author: "Jim Jarvis" <jimjarvis@verizon.net>; Date: Mon, 09 Oct 2006 14:02:08 -0400; I got to thinking about this problem, and commented to Denny, off-reflector. There's an aspect to this which we haven't considered: Tampering with the guys is a threat to personnel aloft. Should some; /archives//html/Towertalk/2006-10/msg00271.html (7,811 bytes)
134. [TowerTalk] 40m slopers (score: 1): Author: "Jim Jarvis" <jimjarvis@verizon.net>; Date: Tue, 10 Oct 2006 18:37:42 -0400; There is a slippery slope in our language concerning slopers. Pun intended. Sloping 1/2 wave dipoles behave like dipoles, with perhaps some reflection or absorption from the tower behind. Or reflecti; /archives//html/Towertalk/2006-10/msg00301.html (7,611 bytes)
135. [TowerTalk] stringing dipoles (score: 1): Author: "Jim Jarvis" <jimjarvis@verizon.net>; Date: Wed, 11 Oct 2006 10:56:59 -0400; During my research for OCF dipoles, I have read about some horror stories of dipoles breaking or coming apart due to the stress of wind, weight and other factors. Especially I've heard that the carol; /archives//html/Towertalk/2006-10/msg00327.html (8,452 bytes)
136. Re: [TowerTalk] asking for trouble (score: 1): Author: "Jim Jarvis" <jimjarvis@verizon.net>; Date: Sun, 15 Oct 2006 19:46:48 -0400; There's what you CAN do, What you're likely to do, What makes sense to do, and what's permitted, by code, as interpreted by bureaucrats. Much as I'd like it to be otherwise, the argument for crankups; /archives//html/Towertalk/2006-10/msg00415.html (6,787 bytes)
137. [TowerTalk] Shortened Radial Experiments (score: 1): Author: "Jim Jarvis" <jimjarvis@verizon.net>; Date: Mon, 16 Oct 2006 07:52:32 -0400; Excellent work, Brian! It's one thing to see comments in a book, estimating resonant lengths of on ground or buried radials( with caveats for 'local variables'), and quite another when the methodical; /archives//html/Towertalk/2006-10/msg00427.html (7,309 bytes)
138. [TowerTalk] Tennadyne Antennas (score: 1): Author: "Jim Jarvis" <jimjarvis@verizon.net>; Date: Wed, 18 Oct 2006 17:01:39 -0400; Tennadyne was purchased by a guy in Michigan, about 18 months ago. So was Cubex Quads, apparently. The website is silent on that topic. The phone number in their current QST advert (616 868 9907) say; /archives//html/Towertalk/2006-10/msg00503.html (7,126 bytes)
139. [TowerTalk] coax jumpers (score: 1): Author: "Jim Jarvis" <jimjarvis@verizon.net>; Date: Wed, 18 Oct 2006 18:22:54 -0400; Check Radioworks. They had 1m long jumpers for reasonable prices, in RG8X, some time ago. Price didn't seem out of whack, when I bought 'em, but I no longer remember what I paid. Molded connectors &; /archives//html/Towertalk/2006-10/msg00504.html (7,017 bytes)
140. Re: [TowerTalk] Matching a Delta Loop (score: 1): Author: "Jim Jarvis" <jimjarvis@verizon.net>; Date: Thu, 19 Oct 2006 09:21:15 -0400; For an equilateral, 1 lambda delta loop, you can find a 50 ohm, vertically polarized, solution by feeding the loop 1/3 up from one of the bottom corners. They work reasonably well. I doubt they'll ou; /archives//html/Towertalk/2006-10/msg00522.html (7,784 bytes)

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