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References: [ +from:n1rj@pivot.net: 35 ]

Total 35 documents matching your query.

21. [TowerTalk] Rotor tip (score: 1)
Author: n1rj@pivot.net (Roger D. Johnson)
Date: Tue, 05 Oct 1999 13:48:49 -0400
That product is "Scotchkote" and is designed to go over vinyl electrical tape to seal the edges and prevent weathering. A method we used in the Coast Guard to weatherproof connectors was to wrap the
/archives//html/Towertalk/1999-10/msg00095.html (8,420 bytes)

22. [TowerTalk] Chicken Wire (score: 1)
Author: n1rj@pivot.net (Roger D. Johnson)
Date: Wed, 13 Oct 1999 13:16:17 -0400
Be aware that there are TWO types of chicken wire on the market......galvanized BEFORE weaving and galvanized AFTER weaving. If you look closely at the points where the wires are twisted around one a
/archives//html/Towertalk/1999-10/msg00376.html (7,185 bytes)

23. [TowerTalk] Com-Tek (score: 1)
Author: n1rj@pivot.net (Roger D. Johnson)
Date: Tue, 31 Aug 1999 14:36:01 -0400
I'm interested in trying a 4-square this season. Does Com-Tek have a website? Can't seem to find one. Thanks, Roger -- FAQ on WWW: http://www.contesting.com/towertalkfaq.html Submissions: towertalk@c
/archives//html/Towertalk/1999-08/msg00561.html (6,597 bytes)

24. [TowerTalk] Forestport Antenna (score: 1)
Author: n1rj@pivot.net (Roger D. Johnson)
Date: Thu, 18 Feb 1999 18:22:24 -0500
Omega was a VLF navigation system similar to the Decca system. Position was determined by measuring the phase difference between several transmitters. I only used it once during an oceanographic trip
/archives//html/Towertalk/1999-02/msg00414.html (7,384 bytes)

25. [TowerTalk] HDR-300 (score: 1)
Author: n1rj@pivot.net (Roger D. Johnson)
Date: Thu, 14 Jan 1999 17:29:43 -0500
Afriend of mine has a chance to replace his T2X with an HDR-300. Will it fit into a Rohn 25 top section?? 73, Roger -- FAQ on WWW: http://www.contesting.com/towertalkfaq.html Submissions: towertalk@c
/archives//html/Towertalk/1999-01/msg00250.html (6,527 bytes)

26. Re: [TowerTalk] Air dielectric cable (score: 1)
Author: Roger D Johnson <n1rj@pivot.net>
Date: Sun, 07 Sep 2003 13:20:40 -0400
Hi Dick.... Just what type of line are you talking about? It has been my experience that unpressurized air line will have problems with condensation. This is why virtually every installation will hav
/archives//html/Towertalk/2003-09/msg00205.html (8,355 bytes)

27. Re: [TowerTalk] RFI resolution (score: 1)
Author: Roger D Johnson <n1rj@pivot.net>
Date: Sat, 27 Sep 2003 14:04:04 -0400
In my opinion you are putting yourself in a very precarious position whenever you go into someone's house and attempt to "fix" their RFI problem. It leaves you open to all manner of charges that you
/archives//html/Towertalk/2003-09/msg00633.html (7,919 bytes)

28. [TowerTalk] FA Rohn 45 tower w/ accessories (score: 1)
Author: Roger D Johnson <n1rj@pivot.net>
Date: Sat, 04 Oct 2003 16:24:38 -0400
It's a 58 ft tower with torque arms, rotor shelf and base. Pick up only in Limington, Me. See details at: http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=3051085695&category=1502 73, Roger _______
/archives//html/Towertalk/2003-10/msg00067.html (6,791 bytes)

29. Re: [TowerTalk] Rohn 25G Harware (score: 1)
Author: Roger D Johnson <n1rj@pivot.net>
Date: Sun, 19 Oct 2003 14:13:02 -0400
According to my Rohn catalog the bolts are as follows: 1/4 X 1 1/2" NF grade 5 5/16 X 1 1/2" NF grade 5 I used stainless on my tower but could not find NF bolts locally. I used NC with nylon locknuts
/archives//html/Towertalk/2003-10/msg00413.html (8,042 bytes)

30. Re: [TowerTalk] Rohn 25G Hardware (score: 1)
Author: Roger D Johnson <n1rj@pivot.net>
Date: Mon, 20 Oct 2003 11:11:51 -0400
After posting my previous message, I decided to do some research to determine the strength of the SS hardware I used on my tower. It turned out to be more complicated than I thought. I soon got bogge
/archives//html/Towertalk/2003-10/msg00430.html (9,624 bytes)

31. Re: [TowerTalk] B&W Folded Dipoles Recommended? (score: 1)
Author: Roger D Johnson <n1rj@pivot.net>
Date: Tue, 21 Oct 2003 11:47:15 -0400
The G5RV when configured and installed properly is actually a pretty good antenna. The current models for sale that have a balun and coax to the radio are not really G5RV's. The original G5RV, develo
/archives//html/Towertalk/2003-10/msg00478.html (9,153 bytes)

32. Re: [TowerTalk] B&W Folded Dipoles Recommended? (score: 1)
Author: Roger D Johnson <n1rj@pivot.net>
Date: Tue, 21 Oct 2003 12:31:41 -0400
Roger D Johnson wrote: original G5RV, developed by Louis Varney, was fed with balanced line through a tuner. The balanced line kept losses low and the tuner enabled operation across many ham bands. 7
/archives//html/Towertalk/2003-10/msg00482.html (8,569 bytes)

33. Re: [TowerTalk] Broken Johnny-ball insulators (score: 1)
Author: Roger D Johnson <n1rj@pivot.net>
Date: Thu, 23 Oct 2003 14:00:22 -0400
Cqtestk4xs@aol.com wrote: I have heard tales of people hearing snapping and popping at the insulators as storms approach on broadcast towers. I would imagine it happens on a grander scale from a ligh
/archives//html/Towertalk/2003-10/msg00538.html (8,799 bytes)

34. Re: [TowerTalk] Freq. Counter Recommendations (score: 1)
Author: Roger D Johnson <n1rj@pivot.net>
Date: Sun, 26 Oct 2003 18:14:27 -0500
Cliff Bond wrote: Greetings to all... I am shopping for a "knock-about" frequency counter. Requirements are: (1) battery operated, (2) portable, (3) coverage to at least 1.0 gHz, and (4) affordable.
/archives//html/Towertalk/2003-10/msg00603.html (10,267 bytes)

35. [TowerTalk] Tower collapse in Portland, Me (score: 1)
Author: Roger D Johnson <n1rj@pivot.net>
Date: Fri, 12 Dec 2003 07:41:55 -0500
A 550 footer fell down in yesterday. Cause is unknown. See story at: http://www.pressherald.com/news/local/031212tower.shtml 73, Roger -- Remember the USS Liberty (AGTR-5) http://ussliberty.org/ ____
/archives//html/Towertalk/2003-12/msg00329.html (6,966 bytes)

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