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Total 286 documents matching your query.

261. Re: [TowerTalk] Sources for SS Hardware ?? (score: 1)
Author: Rob Atkinson <ranchorobbo@gmail.com>
Date: Fri, 11 Nov 2022 05:12:29 -0600
Lots of sources given for s.s. hardware but little on how to tell if the stuff is dependable. Before I retired, I worked for a DOE contractor and I recall there was a lot of concern over sourcing qua
/archives//html/Towertalk/2022-11/msg00060.html (7,938 bytes)

262. Re: [TowerTalk] Sources for SS Hardware ?? (score: 1)
Author: Rob Atkinson <ranchorobbo@gmail.com>
Date: Fri, 11 Nov 2022 05:22:57 -0600
More up to date info: https://www.energy.gov/sites/default/files/2022-05/Fastener-Headmark-List-2022.pdf https://www.standards.doe.gov/standards-documents/1200/1221-bhdbk-2016/@@images/file _________
/archives//html/Towertalk/2022-11/msg00061.html (8,506 bytes)

263. Re: [TowerTalk] MFJ-259 (score: 1)
Author: Rob Atkinson <ranchorobbo@gmail.com>
Date: Tue, 29 Nov 2022 04:28:16 -0600
I guess now we know where all the swishing up and down a ham band is coming from: All these hams with MFJ analyzers that don't work! : ) Get that MFJ accessory that traps out the broadcast band? Heck
/archives//html/Towertalk/2022-11/msg00167.html (6,538 bytes)

264. Re: [TowerTalk] 16om vertical and the number of radials (score: 1)
Author: Rob Atkinson <ranchorobbo@gmail.com>
Date: Sat, 3 Dec 2022 04:40:55 -0600
We all would! If you find a nice used one for under $1000 let me know! Oh, except that you'll buy it probably. And number 3, that with longer wavelengths and longer radials, as the radials diverge,
/archives//html/Towertalk/2022-12/msg00044.html (9,274 bytes)

265. Re: [TowerTalk] 160m vertical and the number of radials (score: 1)
Author: Rob Atkinson <ranchorobbo@gmail.com>
Date: Sat, 3 Dec 2022 05:19:17 -0600
For US hams wanting to get a rough idea of where they land in the ground conductivity lottery, you can look at the high def. FCC map and either cheer or weep. But, keep in mind, the boundaries were d
/archives//html/Towertalk/2022-12/msg00045.html (8,924 bytes)

266. Re: [TowerTalk] DIY Air Wound Coils (score: 1)
Author: Rob Atkinson <ranchorobbo@gmail.com>
Date: Wed, 18 Jan 2023 05:05:54 -0600
73 Rob K5UJ _______________________________________________ _______________________________________________ TowerTalk mailing list TowerTalk@contesting.com http://lists.contesting.com/mailman/listinf
/archives//html/Towertalk/2023-01/msg00058.html (7,223 bytes)

267. Re: [TowerTalk] Tower Collapse in South Dakota (score: 1)
Author: Rob Atkinson <ranchorobbo@gmail.com>
Date: Sat, 21 Jan 2023 10:43:33 -0600
Professionally constructed guyed lattice towers are always on pier pins even if a base insulator isn't needed. No commercial guyed tower is ever put in the ham way of sinking the legs in concrete be
/archives//html/Towertalk/2023-01/msg00083.html (8,977 bytes)

268. Re: [TowerTalk] How To Remove Tarnish off Bare Copper Wires (score: 1)
Author: Rob Atkinson <ranchorobbo@gmail.com>
Date: Sun, 19 Feb 2023 06:06:56 -0600
I quit soldering copper wires together outside years ago. Use a copper split bolt instead. Fast, easy, weather doesn't matter, works FB for years and years, never had one fail. Rob K5UJ _____________
/archives//html/Towertalk/2023-02/msg00096.html (6,761 bytes)

269. Re: [TowerTalk] How To Remove Tarnish off Bare Copper Wires (score: 1)
Author: Rob Atkinson <ranchorobbo@gmail.com>
Date: Sun, 19 Feb 2023 12:33:48 -0600
Good for you that your secret works in nice sunny California. A mechanical joint works for me in any and ALL Chicago weather conditions. No gas, no iron, no torch, flux, none of that, just a few too
/archives//html/Towertalk/2023-02/msg00098.html (7,316 bytes)

270. Re: [TowerTalk] hexbeam (score: 1)
Author: Rob Atkinson <ranchorobbo@gmail.com>
Date: Tue, 28 Mar 2023 04:59:02 -0500
10 years ago I helped a friend put one on top of a 55 foot free standing tower. Rotator in the tower, mast extending only a foot at most out of the top section. The hex beam is heavy enough to make i
/archives//html/Towertalk/2023-03/msg00061.html (7,600 bytes)

271. Re: [TowerTalk] Source for Beverage Antenna Terminating Resistors (score: 1)
Author: Rob Atkinson <ranchorobbo@gmail.com>
Date: Mon, 17 Apr 2023 05:34:47 -0500
I wonder if a ball gap around the resistor has been tried, or a static drain choke to ground at the antenna side of the resistor or both? Rob K5UJ _______________________________________________ ____
/archives//html/Towertalk/2023-04/msg00037.html (8,750 bytes)

272. [TowerTalk] Ever seen one of these before? (score: 1)
Author: Rob Atkinson <ranchorobbo@gmail.com>
Date: Mon, 17 Apr 2023 05:46:45 -0500
https://photos.app.goo.gl/KZTBmNjAo9K7L3ay8 The whole time I've lived at my QTH, there was this guy a few houses up the street who ran a TV repair business out of his house. He called it Day Nite TV
/archives//html/Towertalk/2023-04/msg00039.html (7,758 bytes)

273. [TowerTalk] References for using a grounded tower as a vertical radiator (score: 1)
Author: Rob Atkinson <ranchorobbo@gmail.com>
Date: Tue, 20 Jun 2023 09:25:31 -0500
Here are two to start with: ON4UN's Low Band DXing by ON4UN of course Radio-Electronic Transmission Fundamentals by B. Whitfield Griffith, Jr. Probably just about any antenna handbook will have somet
/archives//html/Towertalk/2023-06/msg00098.html (7,887 bytes)

274. Re: [TowerTalk] MA 550 Beeswax? (score: 1)
Author: Rob Atkinson <ranchorobbo@gmail.com>
Date: Sat, 23 Sep 2023 05:29:54 -0500
I got beeswax a number of years ago on-line that was in the form of small pellets. I softened it up by putting some of the pellets in a metal coffee can along with some lamp oil and heating over a st
/archives//html/Towertalk/2023-09/msg00066.html (7,130 bytes)

275. Re: [TowerTalk] ...and another coax adapter question (score: 1)
Author: Rob Atkinson <ranchorobbo@gmail.com>
Date: Sat, 25 Nov 2023 08:43:03 -0600
Two failings of off-brand UHF connectors is the machining of the threaded surfaces and the female center pin cup. Off brands don't have the thread precision that Amphenol has. There's a risk that the
/archives//html/Towertalk/2023-11/msg00074.html (8,348 bytes)

276. [TowerTalk] FW: PL-259 Electrical Joint Compound (score: 1)
Author: Rob Atkinson <ranchorobbo@gmail.com>
Date: Tue, 5 Dec 2023 05:00:46 -0600
I'd separate the UHF connectors with PB Blaster. If necessary apply some heat with a torch. I'd replace the Times Microwave feedline with LDF4-50 or whatever RFS calls the original Andrew line. 1/2 i
/archives//html/Towertalk/2023-12/msg00009.html (6,704 bytes)

277. Re: [TowerTalk] Open-wire transmission line (score: 1)
Author: Rob Atkinson <ranchorobbo@gmail.com>
Date: Sun, 31 Dec 2023 05:22:57 -0600
I think we should back up and get more information from the fellow asking for help. It's understandable to assume the question pertains to a pair of wires but open wire line is a term encompassing di
/archives//html/Towertalk/2023-12/msg00075.html (9,299 bytes)

278. Re: [TowerTalk] Open-wire transmission line (score: 1)
Author: Rob Atkinson <ranchorobbo@gmail.com>
Date: Mon, 1 Jan 2024 05:27:25 -0600
Of course that will work depending on the matching network and load Z encountered. But we're dealing with RF; not audio despite the recent digression, and the advisory 600 ohm line is intended to be
/archives//html/Towertalk/2024-01/msg00002.html (8,087 bytes)

279. Re: [TowerTalk] Open-wire transmission line (score: 1)
Author: Rob Atkinson <ranchorobbo@gmail.com>
Date: Tue, 2 Jan 2024 05:12:49 -0600
Then this is a question about how to detune a tower. He needs a detuning kit. I faintly recall that there was an article in QST a few years ago about how to detune a tower. BTW if he had asked how t
/archives//html/Towertalk/2024-01/msg00006.html (8,804 bytes)

280. Re: [TowerTalk] Coax cable stripper (score: 1)
Author: Rob Atkinson <ranchorobbo@gmail.com>
Date: Fri, 9 Feb 2024 05:16:46 -0600
Tell us what kind (size) of coax cable you want to strip. 73 Rob K5UJ _______________________________________________ _______________________________________________ TowerTalk mailing list TowerTalk@
/archives//html/Towertalk/2024-02/msg00018.html (6,893 bytes)


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