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Total 58 documents matching your query.

41. [TowerTalk] Guy wires (score: 1)
Author: bjk@ihug.co.nz (Barry Kirkwood)
Date: Mon, 4 Jun 2001 16:54:40 +1200
I put strops of EHS wire covered with garden hose around the tower legs. There is an eye in a lineman's or P&T splice at each end of the strop. The two ends of the strop and the eye at the top end of
/archives//html/Towertalk/2001-06/msg00048.html (8,026 bytes)

42. [TowerTalk] Sail boat practice (score: 1)
Author: bjk@ihug.co.nz (Barry Kirkwood)
Date: Tue, 5 Jun 2001 17:12:53 +1200
Yes, Alumin spars etc are generally anodised for marine use. Even so bad corrosion problems can occur, especially where salt lodges under fittings and it all explodes with white crud. Stainless riggi
/archives//html/Towertalk/2001-06/msg00061.html (7,361 bytes)

43. [TowerTalk] Guys and things (score: 1)
Author: bjk@ihug.co.nz (Barry Kirkwood)
Date: Mon, 11 Jun 2001 18:53:40 +1200
Been following the guy discussion with interest. Point of information: For us benighted folk outside the USA, what is "Phillystran"? To continue: I have had a lifelong interest in both sailing and am
/archives//html/Towertalk/2001-06/msg00200.html (9,085 bytes)

44. [TowerTalk] Guys and things (score: 1)
Author: bjk@ihug.co.nz (Barry Kirkwood)
Date: Mon, 11 Jun 2001 21:02:16 +1200
Guess it all a matter of scale. If talking towers 100ft with stack etc on top then obviously very careful design is required. But I get the impression from Tower Talk that the smaller stuff is wildly
/archives//html/Towertalk/2001-06/msg00205.html (12,109 bytes)

45. [TowerTalk] Guys and things (score: 1)
Author: bjk@ihug.co.nz (Barry Kirkwood)
Date: Mon, 11 Jun 2001 21:36:12 +1200
See below: end Barry Kirkwood PhD ZL1DD Signal Hill Homestay 66 Cory Road Palm Beach Waiheke Island 1240 NEW ZEALAND www.waiheke.co.nz/signal.htm -- Original Message -- From: Pete Smith <n4zr@contest
/archives//html/Towertalk/2001-06/msg00206.html (10,657 bytes)

46. [TowerTalk] Tin roof blues (score: 1)
Author: bjk@ihug.co.nz (Barry Kirkwood)
Date: Tue, 12 Jun 2001 21:11:34 +1200
Some suggestions on using metal roof as groundplane. When I lived back in the city I had a small two story town house with a galvanised corrugated steel roof. I used various quarter wave verticals wi
/archives//html/Towertalk/2001-06/msg00248.html (8,878 bytes)

47. [TowerTalk] Tin roof blues (score: 1)
Author: bjk@ihug.co.nz (Barry Kirkwood)
Date: Wed, 13 Jun 2001 08:04:08 +1200
Yes, Could be. I did have an isolating balun at the feed point, made the assuption that no current =no coupling, but as you point out no current could mean perfect coupling. FWIW the higher band mono
/archives//html/Towertalk/2001-06/msg00265.html (9,425 bytes)

48. [TowerTalk] Re: GB> update / marconi speculation. (score: 1)
Author: bjk@ihug.co.nz (Barry Kirkwood)
Date: Thu, 14 Jun 2001 06:21:03 +1200
The Marconi "S" story is indeed a bit mysterious. Couple of points: The Marconi group believed the wavelength was 300m ie 1 mHz. Belrose has calculated the natural resonance of the tx ant at 817kHz.
/archives//html/Towertalk/2001-06/msg00302.html (13,808 bytes)

49. [TowerTalk] Fw: Sailing Ship Masts (score: 1)
Author: bjk@ihug.co.nz (Barry Kirkwood)
Date: Mon, 14 May 2001 10:10:58 +1200
How did sailing ships deal with 100ft masts? (socket) the over than List Sponsor: Champion Radio Products - We'll be at the Dayton Hamvention with all of our safety equipment and other products. Stop
/archives//html/Towertalk/2001-05/msg00295.html (8,649 bytes)

50. [TowerTalk] Paint (score: 1)
Author: bjk@ihug.co.nz (Barry Kirkwood)
Date: Thu, 17 May 2001 16:48:51 +1200
The question of paints to protect metal comes up from time to time on this reflector. Have not seen previous reference to the products of POR-15 Inc. which I believe is a US company. Have no other in
/archives//html/Towertalk/2001-05/msg00378.html (9,460 bytes)

51. [TowerTalk] Concrete (score: 1)
Author: bjk@ihug.co.nz (Barry Kirkwood)
Date: Mon, 9 Apr 2001 18:29:34 +1200
If only half a yard of concrete is needed it is quite practical to use a small concrete mixer and mix it on site. Even possible to mix that much by hand in a wheel barrow. Even for an old fart like m
/archives//html/Towertalk/2001-04/msg00193.html (46,771 bytes)

52. [TowerTalk] Homebrew Tower (score: 1)
Author: bjk@ihug.co.nz (Barry Kirkwood)
Date: Mon, 12 Mar 2001 18:08:36 +1300
Hello Jerry, My 1970 ARRL Antenna Book p.274-5 gives brief notes on 60ft tubular tiltover mast. The original in QST, article called "A Paul Bunyan Whip" or words to that effect. There were also later
/archives//html/Towertalk/2001-03/msg00218.html (7,277 bytes)

53. [TowerTalk] C-4SXL adventures (score: 1)
Author: bjk@ihug.co.nz (Barry Kirkwood)
Date: Tue, 13 Mar 2001 05:32:25 +1300
Well, the C-4SXL is up and operational. 50ft tower, 350 ft above the beach, takeoff over saltwater short path to most places. Special thanks to Bill K6KM and Bob G3PJT who took the long trip down her
/archives//html/Towertalk/2001-03/msg00230.html (8,634 bytes)

54. [TowerTalk] Towers, Tiltovers and otherwise. (score: 1)
Author: bjk@ihug.co.nz (Barry Kirkwood)
Date: Sun, 18 Mar 2001 19:21:12 +1200
Quite interesting looking in from the Second World: Attitude seems to be if it is not manufactured you go without. Am also amazed by the statement that a an amateur beam antenna system, rotator etc s
/archives//html/Towertalk/2001-03/msg00339.html (8,127 bytes)

55. [TowerTalk] Re: Ten-Year Goal (score: 1)
Author: bjk@ihug.co.nz (Barry Kirkwood)
Date: Mon, 19 Mar 2001 07:34:39 +1200
Hello Steve, And thanks for the info with which I generally agree. I might say that with modern wood treatments and adhesives wooden structures can be made almost everlasting, certainly beyond the li
/archives//html/Towertalk/2001-03/msg00352.html (14,915 bytes)

56. [TowerTalk] Terrain analysis help (score: 1)
Author: bjk@ihug.co.nz (Barry Kirkwood)
Date: Mon, 22 Jan 2001 12:54:06 +1300
Hello Tower Talkers I am asking a favour. Am on a site 90m (300ft) above the sea (lucky me). I need to make a decision in the next couple of days to complete my tower to antenna height at 50 or 60 fe
/archives//html/Towertalk/2001-01/msg00575.html (7,451 bytes)

57. [TowerTalk] PS on Terrain analysis (score: 1)
Author: bjk@ihug.co.nz (Barry Kirkwood)
Date: Mon, 22 Jan 2001 12:56:34 +1300
BTW, in relation to my earlier post. Nearest significant DX from my QTH is 6000 miles away, more or less, so short skip is not an issue! 73 es tnx again. end Barry Kirkwood PhD ZL1DD Signal Hill Home
/archives//html/Towertalk/2001-01/msg00576.html (6,744 bytes)

58. [TowerTalk] Terrain analysis help (score: 1)
Author: bjk@ihug.co.nz (Barry Kirkwood)
Date: Wed, 24 Jan 2001 05:46:54 +1300
I want to say thanks very much to all who replied to my earlier post. Not only did I get answers to my question, but I had a significant educational experience. I feel quite humbled by the effort tha
/archives//html/Towertalk/2001-01/msg00641.html (8,110 bytes)


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