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261. Re: [TowerTalk] Question on Multiple Inverted L Antennas (score: 1)
Author: Don Havlicek <n8de@thepoint.net>
Date: Wed, 12 Jul 2006 21:39:50 -0400
Why not a SINGLE vertical wire, with three wires attached at the top of the vertical portion to tune for the three bands? Seems someone could model this and give us some projections. Don N8DE _______
/archives//html/Towertalk/2006-07/msg00415.html (8,770 bytes)

262. Re: [TowerTalk] 1100 foot tower for a buck (score: 1)
Author: Don Havlicek <n8de@thepoint.net>
Date: Wed, 02 Aug 2006 21:49:27 -0400
IF you don't care about the insurance ... and are willing to sign off to that effect ... I am sure some of us would love to help you remove those towers ... by cutting the guys and watching them fall
/archives//html/Towertalk/2006-08/msg00051.html (11,667 bytes)

263. Re: [TowerTalk] Ground Radials (score: 1)
Author: Don Havlicek <n8de@thepoint.net>
Date: Fri, 04 Aug 2006 17:19:41 -0400
Sounds like buried is your best option .. unless you like replacing them when the dethatcher chews them up. You can make a burying tool that will put them down a few inches without having to dig tren
/archives//html/Towertalk/2006-08/msg00140.html (8,408 bytes)

264. Re: [TowerTalk] Rotor connector waterproofing? (score: 1)
Author: Don Havlicek <n8de@thepoint.net>
Date: Sat, 12 Aug 2006 16:56:08 -0400
How about a cheap poly sponge from the dollar store? Don N8DE _______________________________________________ _______________________________________________ TowerTalk mailing list TowerTalk@contesti
/archives//html/Towertalk/2006-08/msg00335.html (8,897 bytes)

265. Re: [TowerTalk] Anodized Aluminum Tower (score: 1)
Author: Don Havlicek <n8de@thepoint.net>
Date: Thu, 24 Aug 2006 10:10:23 -0400
The electrolysis is internal to the tower legs. If you remove a tower bolt, you will find it is no longer cylindrical in shape, but may even look 'coke-bottle' shaped from degredation. On my Universa
/archives//html/Towertalk/2006-08/msg00780.html (8,629 bytes)

266. Re: [TowerTalk] And now for something completely different (TrueNorth) - was Re: Mast -- Drill or not? (score: 1)
Author: Don Havlicek <n8de@thepoint.net>
Date: Sun, 27 Aug 2006 12:05:22 -0400
Here we go again. This method only works for those who live exactly on the time zone meridian. Don N8DE _______________________________________________ _______________________________________________
/archives//html/Towertalk/2006-08/msg00928.html (13,335 bytes)

267. Re: [TowerTalk] And now for something completely different (TrueNorth) (score: 1)
Author: Don Havlicek <n8de@thepoint.net>
Date: Sun, 27 Aug 2006 14:10:23 -0400
Each time zone is 15 degrees wide [15 zones x24 hours =360 degrees] If some one lives at the 'edge' of one of those time zones, they can be 7.5 [or more] degrees off the time zone meridian. Therefore
/archives//html/Towertalk/2006-08/msg00937.html (11,513 bytes)

268. Re: [TowerTalk] And now for something completelydifferent (TrueNorth) (score: 1)
Author: Don Havlicek <n8de@thepoint.net>
Date: Sun, 27 Aug 2006 20:32:02 -0400
<snip> <snip> That was the purpose of my being vague on time zone width. The meridian is ALWAYS centered. .. but a station location would have to be exactly on that meridian for noon local time to in
/archives//html/Towertalk/2006-08/msg00956.html (15,541 bytes)

269. Re: [TowerTalk] And now for something completely different (TrueNorth) (score: 1)
Author: Don Havlicek <n8de@thepoint.net>
Date: Mon, 28 Aug 2006 10:35:12 -0400
Actually, Polaris has been mentioned often on the reflector in the past. To use Polaris [The North Star] to determine "True North": 1. At night, when [and where] Polaris is visible, stand on what you
/archives//html/Towertalk/2006-08/msg00975.html (16,114 bytes)

270. [TowerTalk] Antennas FS on eBay (score: 1)
Author: Don Havlicek <n8de@thepoint.net>
Date: Mon, 28 Aug 2006 16:56:24 -0400
Thought some of you might like to look at this item: Item number: 150027231441 Unfortunately, it's pickup only. Don N8DE _______________________________________________ ______________________________
/archives//html/Towertalk/2006-08/msg01013.html (6,856 bytes)

271. Re: [TowerTalk] C31 - 1 feed line or 3 (score: 1)
Author: Don Havlicek <n8de@thepoint.net>
Date: Thu, 31 Aug 2006 23:24:16 -0400
Where did you make those measurements? If at the shack end of the coax, they are quite meaningless as to antenna resonance. The only way to get the correct measurements is AT THE ANTENNA. Sorry, but
/archives//html/Towertalk/2006-08/msg01201.html (9,242 bytes)

272. Re: [TowerTalk] C31 - 1 feed line or 3 (score: 1)
Author: Don Havlicek <n8de@thepoint.net>
Date: Fri, 01 Sep 2006 14:33:02 -0400
When measuring the 'resonance' of an antenna at the shack, you are NOT measuring the antenna's resonance .. you are measuring the resonance of the antenna and feedline. Remember .. the feedline SHOUL
/archives//html/Towertalk/2006-09/msg00013.html (11,666 bytes)

273. Re: [TowerTalk] C31 - 1 feed line or 3 (score: 1)
Author: Don Havlicek <n8de@thepoint.net>
Date: Fri, 01 Sep 2006 16:38:36 -0400
Seems to me the original poster mentioned SWR @ frequencies of interest. The assumption made there is that "lowest SWR = resonance". When measuring at the shack end, that lowest SWR will indicate whe
/archives//html/Towertalk/2006-09/msg00018.html (13,812 bytes)

274. Re: [TowerTalk] Stainless steel wool source? (score: 1)
Author: Don Havlicek <n8de@thepoint.net>
Date: Tue, 05 Sep 2006 13:19:11 -0400
Why steel wool of any kind? Use some pieces of fiberglass insulation material. Works fine and is CHEAP. Don N8DE _______________________________________________ ______________________________________
/archives//html/Towertalk/2006-09/msg00187.html (8,728 bytes)

275. Re: [TowerTalk] Heights Tower - stuck base stub on clamshell (score: 1)
Author: Don Havlicek <n8de@thepoint.net>
Date: Tue, 12 Sep 2006 22:05:38 -0400
Do you mean that you did not have the bottom section[s] of the tower in place when you poured concrete? That is necessary to assure vertical alignment of the tower! By your description, you might be
/archives//html/Towertalk/2006-09/msg00438.html (9,835 bytes)

276. Re: [TowerTalk] Cylinders in compression... (score: 1)
Author: Don Havlicek <n8de@thepoint.net>
Date: Fri, 15 Sep 2006 11:54:20 -0400
The compressibility or non-compressibility of said containers depends on whether the contents have been removed or are still present. Don N8DE _______________________________________________ ________
/archives//html/Towertalk/2006-09/msg00554.html (8,384 bytes)

277. Re: [TowerTalk] The BIG one! (score: 1)
Author: Don Havlicek <n8de@thepoint.net>
Date: Wed, 20 Sep 2006 16:02:11 -0400
That will be about 1/4 the antenna area of the 5-el 80m beam at 7J4AAL. http://www.uba.be/actual/pics/7j4aal.jpg Don N8DE _______________________________________________ _____________________________
/archives//html/Towertalk/2006-09/msg00741.html (7,870 bytes)

278. Re: [TowerTalk] tiny tilt over (score: 1)
Author: Don Havlicek <n8de@thepoint.net>
Date: Wed, 27 Sep 2006 08:27:55 -0400
Look for an old C-band satellite dish in your area which is no longer being used. They have a 12v actuator which is used to turn the dish. My guess is, you can get the actuator and dish for the hauli
/archives//html/Towertalk/2006-09/msg00874.html (8,320 bytes)

279. Re: [TowerTalk] Wench for a hazer..?? (score: 1)
Author: Don Havlicek <n8de@thepoint.net>
Date: Wed, 27 Sep 2006 09:26:25 -0400
I start laughing when I anticipate the comments on this one. Let me see ... how to mount the wench ... on the legs? ... Can't keep from laughing. Don N8DE ____________________________________________
/archives//html/Towertalk/2006-09/msg00879.html (8,192 bytes)

280. Re: [TowerTalk] tower insulators (score: 1)
Author: Don Havlicek <n8de@thepoint.net>
Date: Wed, 27 Sep 2006 21:43:10 -0400
Find some solid fiberglass rod that will fit inside the legs of your tower. Leave a small gap between your tower base and the legs of your tower. Works fine, but you will need to guy your tower. I us
/archives//html/Towertalk/2006-09/msg00932.html (7,648 bytes)


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