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1. Re: [TowerTalk] Re: Tower Installation (score: 1): Author: "Don K5AQ" <donhall@myriad.net>; Date: Thu, 18 Nov 2004 15:49:08 -0600; I second Jim's method. Have been doing this for over 20 years and it still is my preferred way to handle the problem. 73 Don K5AQ _______________________________________________ See: http://www.mscom; /archives//html/Towertalk/2004-11/msg00538.html (7,409 bytes)
2. Re: [TowerTalk] Vacuum tube 100 years old today (score: 1): Author: "Don K5AQ" <donhall@myriad.net>; Date: Tue, 16 Nov 2004 15:55:28 -0600; My first job out of college was with Bell Labs in Whippany, NJ designing a solid state (transistorized!) guidance system for the NIKE guided missile. The first circuit I worked on was a one-shot usin; /archives//html/Towertalk/2004-11/msg00432.html (9,161 bytes)
3. Re: [TowerTalk] Balun Construction help (score: 1): Author: "Don K5AQ" <donhall@myriad.net>; Date: Fri, 22 Oct 2004 22:46:55 -0500; Rich, Take a look at Jerry Sevick's book "Transmission Line Transformers", 2nd Edition put out by ARRL. Might be some useful information for you. 73 Don K5AQ _________________________________________; /archives//html/Towertalk/2004-10/msg00622.html (7,111 bytes)
4. [TowerTalk] Recabling LM-354 (score: 1): Author: "Don K5AQ" <donhall@myriad.net>; Date: Wed, 11 Aug 2004 12:12:05 -0500; I have the new cables and am getting ready to replace the old ones on my TriEx LM-354. Would appreciate any words of advice and/or wisdom from anyone who has done the same. 73 Don K5AQ ______________; /archives//html/Towertalk/2004-08/msg00210.html (6,611 bytes)
5. Re: [TowerTalk] Bobtail Curtain using aluminum verticals (score: 1): Author: "Don K5AQ" <donhall@myriad.net>; Date: Tue, 6 Jul 2004 07:44:44 -0500; Doug, Check Antenna Compendium, Volume 2, p19. The author built what he called the "Robert Tail" using three verticals in an inverted Bobtail fashion. Might work for you. 73 Don K5AQ ________________; /archives//html/Towertalk/2004-07/msg00183.html (7,781 bytes)
6. Re: [TowerTalk] Re: Need Capacitor ... (score: 1): Author: "Don K5AQ" <donhall@myriad.net>; Date: Mon, 28 Jun 2004 22:44:30 -0500; David, Try paralleing two to get the value you need. 73 Don K5AQ _______________________________________________ See: http://www.mscomputer.com for "Self Supporting Towers", "Wireless Weather Station; /archives//html/Towertalk/2004-06/msg00660.html (7,031 bytes)
7. Re: [TowerTalk] sealing connectors (score: 1): Author: "Don K5AQ" <donhall@myriad.net>; Date: Fri, 11 Jun 2004 09:24:59 -0500; Lowe's does carry liquid electrical tape. 73 Don K5AQ _______________________________________________ See: http://www.mscomputer.com for "Self Supporting Towers", "Wireless Weather Stations", and lot; /archives//html/Towertalk/2004-06/msg00221.html (8,221 bytes)
8. Re: [TowerTalk] New Tower up With Some Issues 2L40 TH7 (score: 1): Author: "Don K5AQ" <donhall@myriad.net>; Date: Sun, 15 Feb 2004 13:03:57 -0600; I likewise suffered a "world of hurt" on my MFJ259B when the local 10KW AM station opened up less than a mile from me on 1620!! I built a 9 section high pass filter from the October 1983 QST pp 17-19; /archives//html/Towertalk/2004-02/msg00247.html (8,875 bytes)
9. Re: [TowerTalk] Hy-gain Hy tower (score: 1): Author: "Don K5AQ" <donhall@myriad.net>; Date: Mon, 2 Feb 2004 08:40:24 -0600; Ed, You might contact Dan, N5AR who used Hy Towers in a phased array here in Texas and I believe still has them up in Washington state. He is active on this reflector. 73 Don K5AQ ___________________; /archives//html/Towertalk/2004-02/msg00025.html (7,344 bytes)
10. Re: [TowerTalk] INSURANCE (score: 1): Author: "Don K5AQ" <donhall@myriad.net>; Date: Mon, 22 Dec 2003 19:11:18 -0600; Larry, My Texas State Farm agent told me the same thing as yours. 73 Don K5AQ _______________________________________________ See: http://www.mscomputer.com for "Self Supporting Towers", "Wireless We; /archives//html/Towertalk/2003-12/msg00694.html (7,927 bytes)
11. Re: [TowerTalk] Re: One more ground radial question (score: 1): Author: "Don K5AQ" <donhall@myriad.net>; Date: Thu, 18 Dec 2003 06:20:15 -0600; I agree with Con. In my old QTH in north Texas I had room for only two radials snaked in my lawn irrigation trenches. Down here I have 32. With the same shunt loaded tower I was able to make 160 DXCC; /archives//html/Towertalk/2003-12/msg00508.html (9,461 bytes)
12. Re: [TowerTalk] Re: Bulkhead Source & Ground Rod. (score: 1): Author: "Don K5AQ" <donhall@myriad.net>; Date: Wed, 17 Dec 2003 15:57:55 -0600; Bill, Try your local electrical supplies wholesale house for ground rods. I find mine to be much lower than the big box stores. 73 Don K5AQ _______________________________________________ See: http:/; /archives//html/Towertalk/2003-12/msg00493.html (7,552 bytes)
13. [TowerTalk] rotor question (score: 1): Author: donhall@myriad.net (Don K5AQ); Date: Wed Feb 26 11:38:00 2003; Mike, The one in the T2X box is labeled as 120-140mfd at 50v ac. This should be the same in all the control boxes. 73 Don K5AQ; /archives//html/Towertalk/2003-02/msg00503.html (7,384 bytes)
14. [TowerTalk] BCI to analyzers tuning transmatches (score: 1): Author: donhall@myriad.net (Don K5AQ); Date: Wed Jan 29 21:23:22 2003; P.S. The station is on 1620. K5AQ; /archives//html/Towertalk/2003-01/msg00563.html (6,753 bytes)
15. [TowerTalk] BCI to analyzers tuning transmatches (score: 1): Author: donhall@myriad.net (Don K5AQ); Date: Wed Jan 29 21:22:28 2003; The MFJ unit is the 731 and it can be tuned to null the BC station. I have a 10KW AM station less than a mile from me so measurements are real fun, particularly on 160. The unit can be used with any; /archives//html/Towertalk/2003-01/msg00561.html (7,169 bytes)
16. [TowerTalk] Re: Ground rod material (score: 1): Author: donhall@myriad.net (Don K5AQ); Date: Wed Jan 29 21:05:43 2003; I buy my copper ground rods from the local electrical wholesale house at the city sales counter. About half the price of the ones at Lowes(no Home Depot here) and better made. 73 Don K5AQ; /archives//html/Towertalk/2003-01/msg00560.html (7,731 bytes)
17. [Towertalk] CCD Antennas (score: 1): Author: donhall@myriad.net (Don K5AQ); Date: Wed, 25 Dec 2002 19:41:07 -0600; Ed, Try the ARRL Antenna Compendium, Volume 2. It has two articles on CCD antennas, one with a further reference. 73 Don K5AQ; /archives//html/Towertalk/2002-12/msg00737.html (6,482 bytes)
18. [Towertalk] Can my 40' tower be a 160m vertical? (score: 1): Author: donhall@myriad.net (Don K5AQ); Date: Thu, 26 Sep 2002 16:32:24 -0500; I agree that a lot of radials are desirable. I now have 32 each longer than a quarter wavelength, BUT at my previous location on a tiny city lot I had two(2) laid alongside my sprinkler lines snaking; /archives//html/Towertalk/2002-09/msg00868.html (8,697 bytes)
19. [Towertalk] n4kg posts (double?) (score: 1): Author: donhall@myriad.net (Don Hall); Date: Mon, 19 Aug 2002 18:33:55 -0500; Yes, I often get double mail from N4KG. Don K5AQ; /archives//html/Towertalk/2002-08/msg00557.html (7,347 bytes)
20. [Towertalk] Tailtwister won't turn. (score: 1): Author: donhall@myriad.net (Don Hall); Date: Mon, 5 Aug 2002 21:17:25 -0500; Put diodes across them to short on the reverse cycle and they should be full value. 73 Don K5AQ; /archives//html/Towertalk/2002-08/msg00111.html (8,329 bytes)

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