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Total 292 documents matching your query.

281. Re: [TowerTalk] COAX SEAL (score: 1)
Author: Rob Atkinson <ranchorobbo@gmail.com>
Date: Sun, 10 Mar 2024 06:04:52 -0500
The "pros" don't use anything because they don't use UHF connectors. They are working with Heliax, waveguide, or ridgid line and the lines are often pressurized. Connectors made for those kinds of l
/archives//html/Towertalk/2024-03/msg00057.html (8,453 bytes)

282. Re: [TowerTalk] COAX SEAL (score: 1)
Author: Rob Atkinson <ranchorobbo@gmail.com>
Date: Sun, 10 Mar 2024 18:39:22 -0500
VE1ZZ had the right idea. I've done the same thing here. Yes when it comes to professionals I was thinking of the broadcast industry. Sorry if that offended all the cellular phone folks and made you
/archives//html/Towertalk/2024-03/msg00073.html (8,478 bytes)

283. Re: [TowerTalk] TowerTalk difference? (score: 1)
Author: Rob Atkinson <ranchorobbo@gmail.com>
Date: Wed, 17 Apr 2024 08:05:50 -0500
You can search the tower talk archives using Google; here's an example search argument: site:lists.contesting.com [TowerTalk] HDBX Version but the problem is that the Google crawler doesn't traverse
/archives//html/Towertalk/2024-04/msg00057.html (8,209 bytes)

284. Re: [TowerTalk] A High Efficiency Broadband Antenna - The Broadcasters D (score: 1)
Author: Rob Atkinson <ranchorobbo@gmail.com>
Date: Sat, 20 Apr 2024 05:39:09 -0500
I think this topic is more appropriate for the 160 m. Topband email list. I've been following the discussion about this antenna on FB and it's similar in that some folks think it's BS and others have
/archives//html/Towertalk/2024-04/msg00070.html (7,653 bytes)

285. [TowerTalk] Wanted LPDA 4-30 MHz (score: 1)
Author: Rob Atkinson <ranchorobbo@gmail.com>
Date: Sun, 21 Apr 2024 05:53:25 -0500
Andrew used to make them for us ("us" meaning US Army Communications Command) but they were 2 to 30 MHz. Back in the mid to late 1970s I was assigned to a tactical outfit in AZ and we had two telesc
/archives//html/Towertalk/2024-04/msg00082.html (7,561 bytes)

286. Re: [TowerTalk] Fwd: MFJ QRT on May 17, 2024 (score: 1)
Author: Rob Atkinson <ranchorobbo@gmail.com>
Date: Sat, 27 Apr 2024 05:32:12 -0500
For some reason ARRL hired J school grads to work on QST. Non-technical people. I guess they viewed QST as no longer a tech. journal and wanted to steer everyone to QEX. On average, there's maybe one
/archives//html/Towertalk/2024-04/msg00103.html (7,081 bytes)

287. Re: [TowerTalk] How lossy are PL-259s at HF? (score: 1)
Author: Rob Atkinson <ranchorobbo@gmail.com>
Date: Tue, 18 Jun 2024 08:15:35 -0500
I'd say when it comes to loss with UHF connectors the most critical thing is the machining of the male pin and the female cup fingers. Amphenol females are made so that you feel some resistance when
/archives//html/Towertalk/2024-06/msg00035.html (8,905 bytes)

288. [TowerTalk] Junk Coonectors (was Re: How lossy are PL-259s at HF?) (score: 1)
Author: Rob Atkinson <ranchorobbo@gmail.com>
Date: Tue, 18 Jun 2024 13:26:15 -0500
I disagree because those female jacks will pass the test. But, in some cases one of those premium brand jacks will have been damaged by banana plugs or some other insertion not intended for the jack
/archives//html/Towertalk/2024-06/msg00045.html (8,021 bytes)

289. [TowerTalk] PL-259 recycling (score: 1)
Author: Rob Atkinson <ranchorobbo@gmail.com>
Date: Wed, 17 Jul 2024 05:34:46 -0500
Same here. All my money for ham radio came from a paper route and doing things like returning bottles. Parents gave no money for radio, but they did take me to hamfests if I couldn't get to them on
/archives//html/Towertalk/2024-07/msg00035.html (7,199 bytes)

290. Re: [TowerTalk] Heliax question (score: 1)
Author: Rob Atkinson <ranchorobbo@gmail.com>
Date: Sat, 5 Oct 2024 12:41:55 -0500
I think W9AC is on to somethng WRT the Z of the line. 75 ohm, like LDF4-75. BTW Andrew AFAIK made LDF4-50 and LDF5-50 but I never heard of this LDF4.5 stuff. Is that just some ham's invention? Connec
/archives//html/Towertalk/2024-10/msg00034.html (8,551 bytes)

291. Re: [TowerTalk] Heliax question (score: 1)
Author: Rob Atkinson <ranchorobbo@gmail.com>
Date: Sat, 5 Oct 2024 13:08:23 -0500
Interesting. Looks like something Comscope invented after Andrew was bought. Thanks Rob K5UJ _______________________________________________ _______________________________________________ TowerTalk
/archives//html/Towertalk/2024-10/msg00039.html (9,085 bytes)

292. Re: [TowerTalk] Heliax question (score: 1)
Author: Rob Atkinson <ranchorobbo@gmail.com>
Date: Sun, 6 Oct 2024 20:43:09 -0500
No one is "trying" anything. It was a legitimate question. Thanks for all the answers and interesting comments. I have a coil of LDF4-75. No one ever said it wasn't "real" either. 73 Rob K5UJ _______
/archives//html/Towertalk/2024-10/msg00044.html (8,172 bytes)

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