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Total 111 documents matching your query.

41. [TowerTalk] Color code coax lines? (score: 1)
Author: VE6JY Don Moman" <ve6jy@freenet.edmonton.ab.ca (VE6JY Don Moman)
Date: Fri, 14 Dec 2001 00:09:09 -0000
Most of the color tapes tend to bleed badly after a few years (or sooner) and the result is a nice sticky mess that attracts dust etc. Some tapes are better/worse than others, obviously. For indoor u
/archives//html/Towertalk/2001-12/msg00339.html (9,987 bytes)

42. [TowerTalk] Decoding BCD with passive circuit (score: 1)
Author: VE6JY Don Moman" <ve6jy@freenet.edmonton.ab.ca (VE6JY Don Moman)
Date: Fri, 21 Dec 2001 23:53:06 -0000
Hi Pete If you're looking to minimize the number of control cables, then a BCD format like I built some time ago to switch up to 16 beverages from a 4 wire system would work. You "encode" it at the s
/archives//html/Towertalk/2001-12/msg00498.html (9,984 bytes)

43. [TowerTalk] Homebrew Rotators (score: 1)
Author: VE6JY Don Moman" <ve6jy@freenet.edmonton.ab.ca (VE6JY Don Moman)
Date: Sat, 3 Nov 2001 04:18:02 -0000
Direction readout on HB rotors: The video camera is the way to go. I had several up for 3 years outside in the weather down to -40 degrees with no problems. They are normally left on 24/7 and they ge
/archives//html/Towertalk/2001-11/msg00047.html (11,793 bytes)

44. [TowerTalk] Flex coupling for rotators (score: 1)
Author: VE6JY Don Moman" <ve6jy@freenet.edmonton.ab.ca (VE6JY Don Moman)
Date: Tue, 3 Jul 2001 16:18:49 +0100
I always make a point of having the mast rest a 1/2 inch above the "floor" of the rotor. It is easily held there by the locking collar on the bearing and a backup U clamp or something even heavier. A
/archives//html/Towertalk/2001-07/msg00052.html (9,348 bytes)

45. [TowerTalk] 80m Yagis -- Too Tough to Tame? (score: 1)
Author: VE6JY Don Moman" <ve6jy@freenet.edmonton.ab.ca (VE6JY Don Moman)
Date: Wed, 25 Jul 2001 04:11:59 +0100
Just back from a hamfest long weekend and was interested to read all the comments about 80m yagis and associated issues. I have had a 4 element full size yagi up here since Oct 1998. It has not been
/archives//html/Towertalk/2001-07/msg00466.html (12,222 bytes)

46. [TowerTalk] Wood posts (score: 1)
Author: VE6JY Don Moman" <ve6jy@freenet.edmonton.ab.ca (VE6JY Don Moman)
Date: Thu, 26 Jul 2001 15:24:32 +0100
My choice would be to use pressure treated fence posts - 3" or so by 6' long. Then bolt or screw (I just use 3.5" drywall screws) your 2x4 to that.... slightly more money but 2 advantages: - lets you
/archives//html/Towertalk/2001-07/msg00501.html (9,463 bytes)

47. [TowerTalk] Ginpole for 20 foot sections (score: 1)
Author: VE6JY Don Moman" <ve6jy@freenet.edmonton.ab.ca (VE6JY Don Moman)
Date: Mon, 11 Jun 2001 16:08:46 +0100
A gin pole to handle this would be, by itself, quite a heavy and cumbersome item. Often a smaller gin pole is used to erect the main pole - which in many cases is a small tower itself. A lot of work
/archives//html/Towertalk/2001-06/msg00221.html (10,500 bytes)

48. [TowerTalk] Proposed Changes to 40 Meters (score: 1)
Author: ve6jy-freenet" <ve6jy@freenet.edmonton.ab.ca (ve6jy-freenet)
Date: Sun, 27 May 2001 07:19:35 +0100
Not quite all of us....I'd certainly enjoy an expansion of 40m in either direction.... To that end (of course, it'll never happen now that I planned ahead!) the 5 el 40m OWA style yagi that went up h
/archives//html/Towertalk/2001-05/msg00570.html (9,694 bytes)

49. [TowerTalk] W-I-D-E Arrays (score: 1)
Author: ve6jy@freenet.edmonton.ab.ca (ve6jy@freenet.edmonton.ab.ca)
Date: Wed, 14 Mar 2001 21:42:55 -0700 (MST)
This far north, stacking vertical antennas such as the typical 6/6/6/6 arrangement is not typically useful - only the top two generally contribute to gain at DX angles. That may not be as true for 10
/archives//html/Towertalk/2001-03/msg00297.html (8,002 bytes)

50. [TowerTalk] Anyone using BIG LOG periodic antenns 50ft plus boom lengths? (score: 1)
Author: Don Moman <ve6jy@freenet.edmonton.ab.ca> (Don Moman)
Date: Sun, 14 Jan 2001 21:45:39 -0700 (MST)
A Sabre 4-30 mhz log periodic, 19 elements on a 62 foot boom, has been up at my QTH for nearly 10 years. It is a significant structure with 80' foot elements and weighing over a 1000 pounds. It was a
/archives//html/Towertalk/2001-01/msg00353.html (9,057 bytes)

51. [TowerTalk] Slow motion tower (score: 1)
Author: ve6jy@freenet.edmonton.ab.ca (Don Moman)
Date: Fri, 3 Dec 1999 14:49:56 -0700 (MST)
If heating is a problem or an undesired expense, just cut the gear oil with kerosene. I normally drain all the gear oil out (some will stay of course) and fill with kersone. At the low speed and low
/archives//html/Towertalk/1999-12/msg00035.html (8,411 bytes)

52. [TowerTalk] Tower ID help pls. (score: 1)
Author: ve6jy@freenet.edmonton.ab.ca (Don Moman)
Date: Fri, 10 Dec 1999 19:24:47 -0700 (MST)
Hi Peter; I have one "AllWeld" tower but it is an L&R product. At least that's how some of the guys in the "business" call it. Uses 120 deg angles for legs , and regular angle stock for X braces. The
/archives//html/Towertalk/1999-12/msg00252.html (9,162 bytes)

53. [TowerTalk] Multiple guy anchors (score: 1)
Author: ve6jy@freenet.edmonton.ab.ca (Don Moman)
Date: Thu, 23 Dec 1999 10:15:31 -0700 (MST)
Well, I sure think it is. I've done similar things here on some of the towers for both the reasons you mention. I changed my stacking plans when the 48 foot boom OWA designs came out, so I moved the
/archives//html/Towertalk/1999-12/msg00434.html (9,323 bytes)

54. [TowerTalk] Do Log-Periodics Stress the Selectivity of the Receiver? (score: 1)
Author: Don Moman <ve6jy@freenet.edmonton.ab.ca> (Don Moman)
Date: Sat, 27 Nov 1999 01:14:19 -0700 (MST)
and from a log periodic manufacturer: the on say wouldn't not ham as will off towards As a long time LP owner/user and being an active SWL, the log captures way more signal off the front, side or any
/archives//html/Towertalk/1999-11/msg00521.html (10,834 bytes)

55. [TowerTalk] messenger cable attachments (score: 1)
Author: ve6jy@freenet.edmonton.ab.ca (Don Moman)
Date: Sun, 17 Oct 1999 18:12:36 -0600 (MDT)
There are specific U shaped formed spring steel brackets that hang over the EHS, they have a spring action in that you twist them slightly and snap them over the messenger cable. These are quite stur
/archives//html/Towertalk/1999-10/msg00490.html (9,974 bytes)

56. [TowerTalk] Problems with YAESU Rotor (score: 1)
Author: ve6jy@freenet.edmonton.ab.ca (Don Moman)
Date: Mon, 15 Feb 1999 13:33:58 -0700 (MST)
Having repaired the G-400 control box several times for a friend, here are my comments (and some current measurements)... R1 and R2 are 120 ohm .5 watt. The motor draws about 40 ma when working (no b
/archives//html/Towertalk/1999-02/msg00347.html (12,689 bytes)

57. [TowerTalk] Attaching Large Antennas to Rohn-45 Legs (score: 1)
Author: ve6jy@freenet.edmonton.ab.ca (Don Moman)
Date: Sat, 23 Jan 1999 21:09:50 -0700 (MST)
I'd be more than leary...... the towers I have are all heavier than Rohn 45 and I wouldn't consider mounting anything on just one leg - that just can't help but weaken the leg and contribute to an ev
/archives//html/Towertalk/1999-01/msg00424.html (8,916 bytes)

58. [TowerTalk] W2AU balun and KLM KT-34xa (score: 1)
Author: ve6jy@freenet.edmonton.ab.ca (Don Moman)
Date: Thu, 12 Nov 1998 10:37:15 -0700 (MST)
Hi Dave W2AU makes a new style beam balun with screw terminals and the holes oriented in the proper way for use on a beam..... same price about C$28 here locally, last time I bought some (8 - put the
/archives//html/Towertalk/1998-11/msg00378.html (8,559 bytes)

59. [TowerTalk] hy-gain 300 centered posistion (score: 1)
Author: ve6jy@freenet.edmonton.ab.ca (Don Moman)
Date: Tue, 22 Sep 1998 00:36:15 -0600 (MDT)
Not for this VE6! None of my HF antennas have a North stop. There are a great many unusual bits of over the pole propagation the come in at various slightly skewed paths, and the ability to seek the
/archives//html/Towertalk/1998-09/msg00559.html (8,181 bytes)

60. [TowerTalk] What tape to use? (score: 1)
Author: ve6jy@freenet.edmonton.ab.ca (Don Moman)
Date: Sun, 16 Aug 1998 18:06:55 -0600 (MDT)
On the subject of tapes.... I find 3M "Temflex" to be a very practical alternative to the high cost of 33 and 88, but far superior to most of the hardware store economy stuff. I have used most of the
/archives//html/Towertalk/1998-08/msg00489.html (8,473 bytes)


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