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References: [ +from:nielsen@oz.net: 172 ]

Total 172 documents matching your query.

1. Re: [TowerTalk] JAMAICA ANTENNA (score: 1)
Author: Bob Nielsen <nielsen@oz.net>
Date: Wed, 11 Jul 2007 08:39:51 -0700
In 2004, my wife and I travelled to the northeastern part of France and I brought along my K2 and a MP-1 small "screwdriver" vertical by Superantennas. I set this antenna up on the desk of our 6th fl
/archives//html/Towertalk/2007-07/msg00460.html (8,316 bytes)

2. Re: [TowerTalk] the elusive 1db (score: 1)
Author: Bob Nielsen <nielsen@oz.net>
Date: Tue, 15 May 2007 18:24:53 -0700
Maybe a bunch of grunts wielding Friden or Marchant calculators? I worked at Douglas Aircraft for a brief time in 1957 before going to college. My job title was "technical computer" and I had a nice
/archives//html/Towertalk/2007-05/msg00429.html (9,065 bytes)

3. Re: [TowerTalk] Got a tower/antenna in a CC&R subdivision? (score: 1)
Author: Bob Nielsen <nielsen@oz.net>
Date: Mon, 14 May 2007 15:40:57 -0700
Wives. 73, Bob N7XY _______________________________________________ _______________________________________________ TowerTalk mailing list TowerTalk@contesting.com http://lists.contesting.com/mailman
/archives//html/Towertalk/2007-05/msg00362.html (10,629 bytes)

4. Re: [TowerTalk] Plenty of Ham Friends who climb towers (score: 1)
Author: Bob Nielsen <nielsen@oz.net>
Date: Fri, 11 May 2007 09:53:51 -0700
I recall seeing a photo in the L.A. Times of W6AM on his tower when Don was in his 80s. Of course not all of us are that agile (I'm definitely not). Bob, N7XY ________________________________________
/archives//html/Towertalk/2007-05/msg00170.html (7,724 bytes)

5. Re: [TowerTalk] Pole Mount for Beam Antenna (score: 1)
Author: Bob Nielsen <nielsen@oz.net>
Date: Fri, 27 Apr 2007 11:46:34 -0700
I remember K6EWL showing me something like that which his father (W6CN?) had in Los Angeles back in the 1950s. I suspect it would be fairly straightforward to mount a Glen Martin Hazer <http:// www.g
/archives//html/Towertalk/2007-04/msg00568.html (7,566 bytes)

6. Re: [TowerTalk] Manual wanted - KLM 4 element 40M antenna (score: 1)
Author: Bob Nielsen <nielsen@oz.net>
Date: Sun, 22 Apr 2007 13:47:55 -0700
Hi Dink, Try here: <http://bama.edebris.com/manuals/klm/40m4/>. 73, Bob N7XY _______________________________________________ _______________________________________________ TowerTalk mailing list Tow
/archives//html/Towertalk/2007-04/msg00454.html (8,257 bytes)

7. Re: [TowerTalk] Wilson TT-45 (score: 1)
Author: Bob Nielsen <nielsen@oz.net>
Date: Fri, 30 Mar 2007 09:23:18 -0700
The radio club at Hughes Aircraft in Canoga Park, CA (WD6EZI) had one of these towers with a TH6DXX from ~1979-1994. I don't recall the weight of the TH6DXX, but it was a bit lighter than the TH7DX,
/archives//html/Towertalk/2007-03/msg00619.html (8,255 bytes)

8. Re: [TowerTalk] alpha spid rotator (score: 1)
Author: Bob Nielsen <nielsen@oz.net>
Date: Fri, 9 Feb 2007 13:04:56 -0800
NAFTA should have eliminated this (customs duties don't equate to free trade)! 73, Bob, N7XY _______________________________________________ _______________________________________________ TowerTalk
/archives//html/Towertalk/2007-02/msg00146.html (12,395 bytes)

9. Re: [TowerTalk] RG-316 choke cables (score: 1)
Author: Bob Nielsen <nielsen@oz.net>
Date: Thu, 1 Feb 2007 16:34:29 -0800
Yes, I meant the dielectric! Sorry about the "senior moment". Bob, N7XY _______________________________________________ _______________________________________________ TowerTalk mailing list TowerTal
/archives//html/Towertalk/2007-02/msg00024.html (9,457 bytes)

10. Re: [TowerTalk] RG-316 choke cables (score: 1)
Author: Bob Nielsen <nielsen@oz.net>
Date: Thu, 1 Feb 2007 16:03:54 -0800
The reason that RG-316 has a power rating that appears to be a bit high is that it has a teflon center conductor, which can take high temperatures. It will probably get extremely hot at 1250 watts, w
/archives//html/Towertalk/2007-02/msg00021.html (8,324 bytes)

11. Re: [TowerTalk] Coax Connectors (score: 1)
Author: Bob Nielsen <nielsen@oz.net>
Date: Wed, 10 Jan 2007 21:30:22 -0800
From an Amphenol web page <http://www.amphenolrf.com/products/ "Invented in the 1930's by an Amphenol engineer named E. Clark Quackenbush, UHF coaxial connectors are general purpose units developed f
/archives//html/Towertalk/2007-01/msg00403.html (12,590 bytes)

12. Re: [TowerTalk] Verticals (score: 1)
Author: Bob Nielsen <nielsen@oz.net>
Date: Sun, 24 Dec 2006 18:08:02 -0800
Of course, NEC4 isn't anywhere close to "free". Does anyone remember using a stack of punch cards for NEC2 analysis? _______________________________________________ __________________________________
/archives//html/Towertalk/2006-12/msg00883.html (9,777 bytes)

13. Re: [TowerTalk] HF Vertical Opinions NEEDED... (score: 1)
Author: Bob Nielsen <nielsen@oz.net>
Date: Sun, 26 Nov 2006 17:03:09 -0800
Yes, it does include the R8, but it wasn't elevated much and there was a ground screen. Based on the results quoted, I was seriously looking at the R8, but the AV-640 is nearly identical except for n
/archives//html/Towertalk/2006-11/msg00718.html (15,129 bytes)

14. Re: [TowerTalk] HF Vertical Opinions NEEDED... (score: 1)
Author: Bob Nielsen <nielsen@oz.net>
Date: Sun, 26 Nov 2006 14:00:45 -0800
I also have a AV-640 (my only HF antenna currently) and my experience with it over the past 5 years is quite different. I have had good results from 40-10 (don't do 6) and a contact with 5A7A this mo
/archives//html/Towertalk/2006-11/msg00706.html (13,032 bytes)

15. Re: [TowerTalk] PL259 crimp-ons for TV cable (score: 1)
Author: Bob Nielsen <nielsen@oz.net>
Date: Tue, 7 Nov 2006 11:50:45 -0800
The cable you are referring to is RG-6. I have never seen UHF connectors for this--the standard connector is type F, and is available in both crimp and compression models. Adapters from F to UHF are
/archives//html/Towertalk/2006-11/msg00145.html (7,899 bytes)

16. Re: [TowerTalk] Balun on a vertical (score: 1)
Author: Bob Nielsen <nielsen@oz.net>
Date: Fri, 6 Oct 2006 21:30:32 -0700
A quarter-wave vertical with radials is definitely unbalanced. A half-wave, center fed vertical is balanced if it is sufficiently elevated (with the feed perpendicular). Most are probably "semibalanc
/archives//html/Towertalk/2006-10/msg00201.html (7,889 bytes)

17. Re: [TowerTalk] tiny tilt over (score: 1)
Author: Bob Nielsen <nielsen@oz.net>
Date: Tue, 26 Sep 2006 22:39:47 -0700
Something like this could possibly be adapted to a mag mount: <http://www.diamondantenna.net/k9000tm.html> Bob, N7XY _______________________________________________ __________________________________
/archives//html/Towertalk/2006-09/msg00869.html (7,527 bytes)

18. Re: [TowerTalk] Solid Copper Wire #6 (score: 1)
Author: Bob Nielsen <nielsen@oz.net>
Date: Tue, 26 Sep 2006 14:18:55 -0700
There is a big difference between the price of copper on the commodity exchange and the price of wire. Maybe some of the mines and smelters which shut down in the 90s will reopen. ___________________
/archives//html/Towertalk/2006-09/msg00852.html (8,578 bytes)

19. Re: [TowerTalk] HG-70 (score: 1)
Author: Bob Nielsen <nielsen@oz.net>
Date: Wed, 21 Jun 2006 16:47:36 -0700
I've never had a motorized crankup, but the way to handle that is with a limit switch which cuts off the power when the tower reaches a specified position. Likewise, one can be used to do the same in
/archives//html/Towertalk/2006-06/msg00495.html (7,505 bytes)

20. Re: [TowerTalk] Using Plenum Plenum Cable (score: 1)
Author: Bob Nielsen <nielsen@oz.net>
Date: Wed, 21 Jun 2006 11:25:22 -0700
10base-T refers to the type of ethernet connection which used Cat5, etc., cables. As opposed to 10base-2 which used 50-ohm coax. I don't see that nomenclature used much anymore. _____________________
/archives//html/Towertalk/2006-06/msg00474.html (8,902 bytes)

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