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161. [TowerTalk] ground... (score: 1)
Author: "Jim Jarvis" <jimjarvis@comcast.net>
Date: Mon, 17 Jan 2005 16:56:18 -0500
Warren.... Sounds like a good system. If it were me, however, I would run copper strap between all of those rods...and the house-peripheral ground would be 3" strap as well...but not UNDER FOUNDATION
/archives//html/Towertalk/2005-01/msg00719.html (8,002 bytes)

162. [TowerTalk] FD ground systems (score: 1)
Author: "Jim Jarvis" <jimjarvis@comcast.net>
Date: Thu, 20 Jan 2005 19:41:15 -0500
And you thought the never-ending-story was exciting? As prime driver of more than one top-ten entry, and of at least one record score which will never be broken... (that's a challenge!) ..... Don't s
/archives//html/Towertalk/2005-01/msg00903.html (8,250 bytes)

163. [TowerTalk] grade Michael Powell... (score: 1)
Author: "Jim Jarvis" <jimjarvis@comcast.net>
Date: Fri, 21 Jan 2005 17:20:24 -0500
If you want to give Powell a grade on his performance as FCC Chair... go here: http://online.wsj.com/home/us and follow the yellow brick road. Early votes seem to want to hoist him up a tower... ther
/archives//html/Towertalk/2005-01/msg00932.html (7,473 bytes)

164. [RFI] Powell survey, subscriber limited (score: 1)
Author: "Jim Jarvis" <jimjarvis@comcast.net>
Date: Fri, 21 Jan 2005 17:44:09 -0500
Sorry guys, I didn't realize this survey was in the subscriber-only part of the Wall Street Journal. When I looked at results, though, F grades were the major vote. n2ea jimjarvis@ieee.org __________
/archives//html/Towertalk/2005-01/msg00933.html (6,724 bytes)

165. [TowerTalk] Off topic post--- but relevant -- FCC (score: 1)
Author: "Jim Jarvis" <jimjarvis@comcast.net>
Date: Fri, 21 Jan 2005 22:39:26 -0500
We are all affected by the president's selection of the next FCC chair. This is relevant to those of us with towers, but we might well keep this thread short. Wise words were already issued here conc
/archives//html/Towertalk/2005-01/msg00953.html (7,570 bytes)

166. [TowerTalk] plastic owls? (score: 1)
Author: "Jim Jarvis" <jimjarvis@comcast.net>
Date: Sat, 22 Jan 2005 13:49:43 -0500
"Now, I KNOW I can google this thread and find the answer", he said for purposes of newcomer instruction. We tried 'em in gardens, we tried 'em on sailboats, we tried 'em on yagis. They all wound up
/archives//html/Towertalk/2005-01/msg00971.html (7,321 bytes)

167. [TowerTalk] knock it off (score: 1)
Author: "Jim Jarvis" <jimjarvis@comcast.net>
Date: Sun, 23 Jan 2005 19:00:24 -0500
Even I am tiring of this one.... Powell is leaving. I'm sorry I added to the discussion. Enuf already. n2ea jimjarvis@ieee.org _______________________________________________ See: http://www.mscomput
/archives//html/Towertalk/2005-01/msg00994.html (6,967 bytes)

168. [TowerTalk] Tower wenches and ground rods (score: 1)
Author: "Jim Jarvis" <jimjarvis@comcast.net>
Date: Mon, 24 Jan 2005 09:45:03 -0500
Hey, Bryan...she's a lot better looking than Michael Powell. What are you complaining about? I sense, from your criticism that I need to keep you away from my daughters. Besides, MT winters are hard
/archives//html/Towertalk/2005-01/msg01015.html (7,530 bytes)

169. [TowerTalk] Need advice on effects of trees (score: 1)
Author: "Jim Jarvis" <jimjarvis@comcast.net>
Date: Mon, 24 Jan 2005 14:14:44 -0500
Jim, You can't change the topography without changing residence, or antenna site, so I wouldn't worry about the hill some distance away. As for the trees, just be sure you have a clear column for rai
/archives//html/Towertalk/2005-01/msg01042.html (8,280 bytes)

170. [TowerTalk] concrete and lightning (score: 1)
Author: jimjarvis@comcast.net
Date: Thu, 27 Jan 2005 15:19:22 +0000
I was responsible for a 500' self supported installation, AM/FM/commercial tenants, and significant effort was placed on routing strike current away from the foundation concrete. That stick gets hit
/archives//html/Towertalk/2005-01/msg01169.html (8,300 bytes)

171. [TowerTalk] automatic tiltover of R8 vertical (score: 1)
Author: "Jim Jarvis" <jimjarvis@comcast.net>
Date: Sat, 29 Jan 2005 14:58:18 -0500
Reading this thread with interest, as I own both an R7000 and an R8, and may have need for a tiltover operation. They're both decent antennas, and I don't know anything about the hy-gain alternative.
/archives//html/Towertalk/2005-01/msg01210.html (8,473 bytes)

172. [TowerTalk] 6btv (score: 1)
Author: "Jim Jarvis" <jimjarvis@comcast.net>
Date: Sat, 29 Jan 2005 22:39:20 -0500
The Hygain verticals are interesting. I've had a couple of them, at various times. The bases are particularly good for making single band verticals with. I had a 6btv set up as a GP, on top of a 50'
/archives//html/Towertalk/2005-01/msg01242.html (7,322 bytes)

173. [TowerTalk] 4 way guyed, tiltover 25G? (score: 1)
Author: "Jim Jarvis" <jimjarvis@comcast.net>
Date: Sun, 30 Jan 2005 05:32:21 -0500
TT: Just wondering if anyone else has seen the tiltover system which is used by several Frankford Radio Club members? Locally called the W3GM design, but Gerry Mathis may have cribbed it from someone
/archives//html/Towertalk/2005-01/msg01249.html (7,856 bytes)

174. [TowerTalk] Mast stiffness (score: 1)
Author: "Jim Jarvis" <jimjarvis@comcast.net>
Date: Tue, 1 Feb 2005 10:39:55 -0500
When this thread started, I just KNEW someone would throw in Viagra. At the outset, this was about some 2.5" od, 0.5" wall 24' STEEL masts. The complaint was, "they flexed more than I was comfortable
/archives//html/Towertalk/2005-02/msg00011.html (8,454 bytes)

175. [TowerTalk] ground systems... ferrous conduit (score: 1)
Author: "Jim Jarvis" <jimjarvis@comcast.net>
Date: Wed, 2 Feb 2005 17:31:24 -0500
Jim, W6RMK provided a link to the FAA's lightning ground and surge protection standards. They include a requirement that cables pass through a grounded 10' long ferrous conduit (pipe), before enterin
/archives//html/Towertalk/2005-02/msg00063.html (7,290 bytes)

176. [TowerTalk] iron pipe "lightning chokes" (score: 1)
Author: "Jim Jarvis" <jimjarvis@comcast.net>
Date: Wed, 2 Feb 2005 22:26:42 -0500
In response to the discussion about routing cables through iron pipe... k9yc wrote: .I am QUITE certain that any smart engineer would specify that the .ground conductor be bonded to ferrous conduit a
/archives//html/Towertalk/2005-02/msg00083.html (7,983 bytes)

177. [TowerTalk] second floor shacks & grounding? (score: 1)
Author: "Jim Jarvis" <jimjarvis@comcast.net>
Date: Sun, 6 Feb 2005 13:21:59 -0500
Lots of good wisdom in issue 21 of the digest, on this topic. I won't attribute them here, as I mention them...but I'll outline my approach to a 2nd floor shack. * Earth ground vs. RFI. Absolutely tr
/archives//html/Towertalk/2005-02/msg00150.html (9,442 bytes)

178. [TowerTalk] 2003 Accord antenna mount (score: 1)
Author: "Jim Jarvis" <jimjarvis@comcast.net>
Date: Tue, 8 Feb 2005 14:50:58 -0500
TT: Contemplating going mobile again. Wonder if anyone has used a Diamond d-400 mount on a Honda Accord trunk lid? The gap looks too small, although I haven't measured it. Anyone had experience with
/archives//html/Towertalk/2005-02/msg00206.html (7,224 bytes)

179. [TowerTalk] coax condoms (score: 1)
Author: "Jim Jarvis" <jimjarvis@comcast.net>
Date: Tue, 8 Feb 2005 15:00:20 -0500
I messaged Jim separately with PART of this... Two thoughts: 1) Cushcraft provides pl259 covers with all of their antennas. Call 'em up and buy a bunch. Perfectly adequate for non-permanent installat
/archives//html/Towertalk/2005-02/msg00207.html (7,657 bytes)

180. [TowerTalk] Isolated LPDA as toploading (score: 1)
Author: "Jim Jarvis" <jimjarvis@comcast.net>
Date: Wed, 9 Feb 2005 12:19:32 -0500
"The question is this: The tower supports a Tennadyne T-12 12 element log periodic antenna that is not electrically connected to the mast and tower.....is there sufficient coupling to provide the nee
/archives//html/Towertalk/2005-02/msg00246.html (8,303 bytes)

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