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Total 32 documents matching your query.

1. Re: [TowerTalk] RCS4 Antenna Switch - Noise (score: 1)
Author: Billy Cox <aa4nu@comcast.net>
Date: Mon, 24 Nov 2014 22:44:26 +0000 (UTC)
Hi Tom, Study the schematic ... IIRC, the #4 position uses no power, so that is why it may seem to be 'quiet'? (And it means that antenna is always going connected when the power is OFF, think that o
/archives//html/Towertalk/2014-11/msg00485.html (10,420 bytes)

2. Re: [TowerTalk] Best Balun (score: 1)
Author: Billy Cox <aa4nu@comcast.net>
Date: Thu, 27 Nov 2014 17:35:23 +0000 (UTC)
Good Morning and Happy Thanksgiving to All ... I believe Jim meant the 1980 February and March issues of Ham Radio, for George, W6TC's 2 part series on "A New Class of Coaxial-line Transformers" ...
/archives//html/Towertalk/2014-11/msg00564.html (9,298 bytes)

3. Re: [TowerTalk] Single tower and 3 monoband yagis - "Christmas three" (score: 1)
Author: Billy Cox <aa4nu@comcast.net>
Date: Thu, 11 Dec 2014 20:18:09 +0000 (UTC)
Good Afternoon Fudo, May I suggest before you invest into doing this, you review W6QHS/W6NL and N6BT's published materials on the "christmas tree". Both found the performance, regardless of which yag
/archives//html/Towertalk/2014-12/msg00124.html (10,705 bytes)

4. Re: [TowerTalk] Beverage Antenna (score: 1)
Author: Billy Cox <aa4nu@comcast.net>
Date: Tue, 3 Feb 2015 16:58:08 +0000 (UTC)
Great sharing of thoughts, ideas, and even reality on this topic! As to some real world measurements, search ZL3IX on this link and review his experiences with Beverages above a fence ... http://www.
/archives//html/Towertalk/2015-02/msg00082.html (9,845 bytes)

5. Re: [TowerTalk] Yaesu G-2800 Rotor + Polyphaser Rotator Protector Issue (score: 1)
Author: Billy Cox <aa4nu@comcast.net>
Date: Fri, 17 Jul 2015 16:22:01 +0000 (UTC)
Tony, What is the clamping voltage on that specific Polyphaser unit? What is/are the operating voltages on the G-2800 rotor? If the operating voltages are higher than the clamping point on the Polyph
/archives//html/Towertalk/2015-07/msg00172.html (8,175 bytes)

6. Re: [TowerTalk] Shorty Forty Hose Clamp thread (score: 1)
Author: Billy Cox <aa4nu@comcast.net>
Date: Mon, 10 Aug 2015 04:14:44 +0000 (UTC)
Well done Geo ... per an often shared motto on this forum, simply do what the manufacturer states to do ... B-) The smaller standard 5/16" bandwidth clamps (also known as "micros" or SAE J1508 Type M
/archives//html/Towertalk/2015-08/msg00200.html (11,285 bytes)

7. Re: [TowerTalk] Shorty Forty Hose Clamp thread (score: 1)
Author: Billy Cox <aa4nu@comcast.net>
Date: Mon, 10 Aug 2015 14:24:31 +0000 (UTC)
Good Morning Doug, Not at all my friend. "WE" are using products for applications that were not part of the original design requirements here. Your 'real world' method has some performance limitation
/archives//html/Towertalk/2015-08/msg00203.html (13,720 bytes)

8. Re: [TowerTalk] Shorty Forty Hose Clamp thread (score: 1)
Author: Billy Cox <aa4nu@comcast.net>
Date: Tue, 11 Aug 2015 14:50:19 +0000 (UTC)
Good Morning All, And despite a rather rude comment from Doug sent to directly to my email, here is a bit more information to HELP others perhaps. Again, we are using clamp products in applications t
/archives//html/Towertalk/2015-08/msg00216.html (15,758 bytes)

9. Re: [TowerTalk] Shorty Forty Hose Clamp thread (score: 1)
Author: Billy Cox <aa4nu@comcast.net>
Date: Thu, 13 Aug 2015 15:47:44 +0000 (UTC)
Good Morning All, Doug, once again you are not examining the total joint situation. We will get to that in a moment as there are other variables to consider. You continue to make statements that may
/archives//html/Towertalk/2015-08/msg00263.html (24,523 bytes)

10. Re: [TowerTalk] My lightning and grounding reading list (score: 1)
Author: Billy Cox <aa4nu@comcast.net>
Date: Fri, 14 Aug 2015 13:22:04 +0000 (UTC)
Excellent list Patrick, thanks for posting this information! 73 de Billy, AA4NU -- Original Message -- *A little light--ning reading. *Book published by PolyPhaser. Lightning protection and grounding
/archives//html/Towertalk/2015-08/msg00283.html (9,956 bytes)

11. Re: [TowerTalk] RFI Broadcast Station Mixing in Crank-Up tower? (score: 1)
Author: Billy Cox <aa4nu@comcast.net>
Date: Tue, 20 Oct 2015 16:15:21 +0000 (UTC)
Interesting challenge ... in both situations, have you tried to disconnect and ground the rotor control lines and/or any remote switch lines, just to see if that makes any difference. "Eliminate Nois
/archives//html/Towertalk/2015-10/msg00137.html (10,192 bytes)

12. Re: [TowerTalk] 40 metres yagi - Your advice (score: 1)
Author: Billy Cox <aa4nu@comcast.net>
Date: Mon, 26 Oct 2015 17:00:57 +0000 (UTC)
Good Morning/Afternoon All, Tim, K3LR's site has several updates to the original design, here is the link for the most recent one posted: http://www.k3lr.com/engineering/moxon/W6NL_Mox_Tube_100.pdf I
/archives//html/Towertalk/2015-10/msg00269.html (8,829 bytes)

13. Re: [TowerTalk] Strange happening with 10 Meter Beam (score: 1)
Author: Billy Cox <aa4nu@comcast.net>
Date: Wed, 28 Oct 2015 17:39:33 +0000 (UTC)
Hi Herb, The "L" data is listed on Table 2 (page 4) in the manual PDF. It ranges from 13.5" to 28.375 depending on what parameter is most important for your performance there. Hope this helps! 73 de
/archives//html/Towertalk/2015-10/msg00306.html (12,468 bytes)

14. Re: [TowerTalk] Strange happening with 10 Meter Beam (score: 1)
Author: Billy Cox <aa4nu@comcast.net>
Date: Wed, 28 Oct 2015 17:42:43 +0000 (UTC)
Correction: 10.375" to 28.375" .... 73 de Billy, AA4NU The "L" data is listed on Table 2 (page 4) in the manual PDF. It ranges from 13.5" to 28.375 depending on what parameter is most important for y
/archives//html/Towertalk/2015-10/msg00307.html (12,021 bytes)

15. Re: [TowerTalk] Mosley S-402 (score: 1)
Author: Billy Cox <aa4nu@comcast.net>
Date: Tue, 28 Mar 2017 14:25:33 +0000 (UTC)
In this case John, it is necessary as I believe that model uses center loaded elements there at the boom to element mount, so he will need to follow Stan's and your advice advice and and locate somet
/archives//html/Towertalk/2017-03/msg00403.html (9,390 bytes)

16. Re: [TowerTalk] HyGain 155CA dampening rope (score: 1)
Author: Billy Cox <aa4nu@comcast.net>
Date: Thu, 22 Jun 2017 14:39:30 +0000 (UTC)
A bit of advice ... as others noted the advertising can be a bit too vague and sadly there is indeed some real trash out there in the marketplace. When you see the word "stainless" don't stop there.
/archives//html/Towertalk/2017-06/msg00294.html (12,293 bytes)

17. Re: [TowerTalk] HyGain 155CA dampening rope (score: 1)
Author: Billy Cox <aa4nu@comcast.net>
Date: Thu, 22 Jun 2017 15:05:54 +0000 (UTC)
One point of concern ... and overall I agree with what Bob is saying here. If the mechanical/physical design between the two diameters is not correct, meaning there is an excessive measurable differe
/archives//html/Towertalk/2017-06/msg00296.html (14,096 bytes)

18. Re: [TowerTalk] Fwd: Grounding connection to tower legs (score: 1)
Author: Billy Cox <aa4nu@comcast.net>
Date: Mon, 16 Oct 2017 16:13:43 +0000 (UTC)
Good Morning All, and I am reading along this with interest given past posts as to the what/where of properly using worm-gear type clamp products. Ward ... please note that some suppliers DO seem to
/archives//html/Towertalk/2017-10/msg00269.html (12,267 bytes)

19. Re: [TowerTalk] Fwd: Grounding connection to tower legs (score: 1)
Author: Billy Cox <aa4nu@comcast.net>
Date: Mon, 16 Oct 2017 18:00:06 +0000 (UTC)
Wise decision Jeff, as I know you are fully committed to excellence there! As to the antioxidant, and related matters on this topic. It comes down to doing annual (as suggested by W3LPL/others) revie
/archives//html/Towertalk/2017-10/msg00279.html (17,740 bytes)

20. Re: [TowerTalk] Screws used in Element Construction (score: 1)
Author: Billy Cox <aa4nu@comcast.net>
Date: Fri, 10 May 2019 16:59:41 -0500 (CDT)
Good Afternoon All, What Bryan is describing here is a SAE J1508 Type F HD clamp that uses a "staked" clamp design, which uses a two-piece housing is staked at each of the four corners. The true HD v
/archives//html/Towertalk/2019-05/msg00059.html (12,666 bytes)


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