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Total 435 documents matching your query.

341. Re: [TowerTalk] Interpreting symptoms (score: 1)
Author: TexasRF@aol.com
Date: Thu, 5 May 2011 08:17:58 EDT
Shorted/open coax feed line? Happy hunting! 73, Gerald K5GW In a message dated 5/5/2011 6:10:57 A.M. Central Daylight Time, nf4l@nf4l.com writes: My SteppIR is exhibiting high SWR at all frequencies.
/archives//html/Towertalk/2011-05/msg00042.html (7,899 bytes)

342. Re: [TowerTalk] concrete bases for freestanding towers (score: 1)
Author: TexasRF@aol.com
Date: Fri, 13 May 2011 09:55:47 EDT
Ken and all, We frequently overlook the wind load generated by the tower structure, not including any antennas at all. In the case of the BX style towers (compared to a round leg/z braced style), the
/archives//html/Towertalk/2011-05/msg00183.html (9,611 bytes)

343. Re: [TowerTalk] Lexan - Element to mast plate (score: 1)
Author: TexasRF@aol.com
Date: Thu, 19 May 2011 09:02:50 EDT
A Google search for Lexan specifications will return plenty of info. Lexan is a GE brand name for polycarbonate material. There are a number of manufacturers of the polycarbonate stuff today and read
/archives//html/Towertalk/2011-05/msg00352.html (12,060 bytes)

344. Re: [TowerTalk] LM470 or HG-70HD or ? (score: 1)
Author: TexasRF@aol.com
Date: Mon, 6 Jun 2011 07:41:54 EDT
Hello All, There was a period between Tristao Towers and US Towers when Lou was associated with a company called Towermaster. The company was in business maybe a couple of years before it folded. The
/archives//html/Towertalk/2011-06/msg00025.html (16,341 bytes)

345. Re: [TowerTalk] U-bolts for holes with 1 and 7/8 centers (score: 1)
Author: TexasRF@aol.com
Date: Mon, 13 Jun 2011 06:37:09 EDT
William, I recently had a similar problem; needing some ubolts for 2 3/8" outside diameter pipe. No standard sizes were available. The next smaller size was expanded to fit by whaming the center of t
/archives//html/Towertalk/2011-06/msg00076.html (8,323 bytes)

346. Re: [TowerTalk] Rohn - Spaulding Tower (score: 1)
Author: TexasRF@aol.com
Date: Tue, 28 Jun 2011 05:36:57 EDT
Hi Gary, that is an old AX model tower which predates the BX model and was last made in the late 1970's. Even if the cost is nothing, this is no bargain! 73, Gerald K5GW , In a message dated 6/28/201
/archives//html/Towertalk/2011-06/msg00249.html (7,176 bytes)

347. Re: [TowerTalk] Need 3.5" Thrust Bearing (score: 1)
Author: TexasRF@aol.com
Date: Tue, 28 Jun 2011 21:54:46 EDT
Mike, a quick Ebay search for 3 1/2" bearing turned up several four hole flange bearings over a range of $329 to $1300 as well as one offering that goes another 3 days to the high bidder. You can hav
/archives//html/Towertalk/2011-06/msg00268.html (7,359 bytes)

348. Re: [TowerTalk] want place to lookup alum cable tv hardline specs (score: 1)
Author: TexasRF@aol.com
Date: Fri, 8 Jul 2011 22:09:36 EDT
Kevin, if your application requires use of the velocity factor, then the only safe way to have accurate data is to measure it yourself, on the actual cable you plan to use. Velocity factor is known t
/archives//html/Towertalk/2011-07/msg00139.html (8,614 bytes)

349. Re: [TowerTalk] HOHOHO... strap yourself into your crank-up tower... (score: 1)
Author: TexasRF@aol.com
Date: Fri, 5 Aug 2011 11:19:20 -0400 (EDT)
How does that old saying go? Don't do as I do, do as I say to do! Reminds me of an older Rohn Catalog cover when they were still manufacturing BX towers. Inside the BX section of the catalog it said"
/archives//html/Towertalk/2011-08/msg00031.html (11,821 bytes)

350. Re: [TowerTalk] Yaesu rotors (score: 1)
Author: TexasRF@aol.com
Date: Thu, 11 Aug 2011 09:43:20 -0400 (EDT)
The voltages are compatible. Be aware there are SDX and DXA versions and you might want to do some checking before just connecting them together. 73, Gerald K5GW In a message dated 8/11/2011 8:25:39
/archives//html/Towertalk/2011-08/msg00085.html (7,528 bytes)

351. Re: [TowerTalk] H frame for 10 or 15m (score: 1)
Author: TexasRF@aol.com
Date: Mon, 15 Aug 2011 20:58:13 -0400 (EDT)
Each yagi design has an optimum stacking distance. There is no universal rule for stacking if you want the best performance. Short boom yagis have lower gain and closer stacking distance. Long boom y
/archives//html/Towertalk/2011-08/msg00138.html (8,794 bytes)

352. Re: [TowerTalk] Various small prop pitch motor info requests. (score: 1)
Author: TexasRF@aol.com
Date: Wed, 17 Aug 2011 10:53:10 -0400 (EDT)
Gene, be sure you save those old brake parts. You may some day have an antenna large enough to need them! It is possible to windmill a brakeless PPM with an antenna of sufficient size! 73, Gerald K5G
/archives//html/Towertalk/2011-08/msg00181.html (13,036 bytes)

353. Re: [TowerTalk] Terrain data for HFTA (score: 1)
Author: TexasRF@aol.com
Date: Sat, 20 Aug 2011 07:53:04 -0400 (EDT)
Sounds like someone's earth bulge corrections are amiss! This is the name used due to the earth shape being slightly ellipsoid instead of a perfect sphere. The earth diameter is slightly greater at t
/archives//html/Towertalk/2011-08/msg00227.html (10,877 bytes)

354. Re: [TowerTalk] Rotating tower (score: 1)
Author: TexasRF@aol.com
Date: Sat, 20 Aug 2011 08:13:41 -0400 (EDT)
Art, re: 204BA: wonder if they can be reconfigured as a 4-el OWA design? Love that bandwidth! On the 3-el 40 tip size: keep in mind that as the taper continues, the element length has to increased du
/archives//html/Towertalk/2011-08/msg00230.html (12,049 bytes)

355. Re: [TowerTalk] Bull pin / drift pin (score: 1)
Author: TexasRF@aol.com
Date: Mon, 29 Aug 2011 07:48:38 -0400 (EDT)
Dick, you might try an automotive parts store. Many of them have some pretty big tools to sell. 73, Gerald K5GW In a message dated 8/29/2011 6:29:18 A.M. Central Daylight Time, dieven@comcast.net wri
/archives//html/Towertalk/2011-08/msg00407.html (8,101 bytes)

356. Re: [TowerTalk] Quarter wave baluns (score: 1)
Author: TexasRF@aol.com
Date: Sun, 18 Sep 2011 08:48:01 -0400 (EDT)
Hi Dan, note the drawing of the folded balun shows the 1/4 wavelength green cylindrical sleeve connected to one of the dipole elements. In normal configurations, the sleeve is not connected, just lef
/archives//html/Towertalk/2011-09/msg00203.html (9,017 bytes)

357. Re: [TowerTalk] shipping large, heavy object (score: 1)
Author: TexasRF@aol.com
Date: Tue, 20 Sep 2011 10:01:50 -0400 (EDT)
Jim, standby for screwage! At that weight you will need a freight company and they have all kinds of single shipment, residential pick up and other minimum charges. You might consider removing the mo
/archives//html/Towertalk/2011-09/msg00219.html (9,105 bytes)

358. Re: [TowerTalk] Ameritron RCS-4 question (score: 1)
Author: TexasRF@aol.com
Date: Wed, 28 Sep 2011 09:13:15 -0400 (EDT)
Hearing and seeing a relay close is reassuring. That aspect is lost with solid state switches. A relay is very tolerant of voltage levels, current, and polarity. A bulletproof device if there ever wa
/archives//html/Towertalk/2011-09/msg00383.html (9,823 bytes)

359. Re: [TowerTalk] Ameritron RCS-4 question (score: 1)
Author: TexasRF@aol.com
Date: Wed, 28 Sep 2011 12:21:19 -0400 (EDT)
Exactly, the point is that three relays are an intuitive means of replacing the rotary switch. I need to learn the art of being more descriptive in emails! I am assuming one would bypass the rotary s
/archives//html/Towertalk/2011-09/msg00388.html (11,204 bytes)

360. Re: [TowerTalk] heat shrink weathering (score: 1)
Author: TexasRF@aol.com
Date: Thu, 29 Sep 2011 20:04:32 -0400 (EDT)
Also known as 3M. 73/K5GW In a message dated 9/29/2011 6:46:06 P.M. Central Daylight Time, k8ri-on-towertalk@tm.net writes: It's a flooded heat shrink tube that comes various sizes made by MMM 73 Rog
/archives//html/Towertalk/2011-09/msg00414.html (16,398 bytes)


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