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Total 80 documents matching your query.

61. [TowerTalk] 5 meter dish antenna (score: 1)
Author: "Doug Ronald" <doug@dougronald.com>
Date: Fri, 14 Jun 2019 10:41:34 -0700
This probably isn't the proper reflector to post this - maybe someone could suggest a more appropriate place... I have a 5 meter parabolic reflector antenna I'm in the process of disassembling, and w
/archives//html/Towertalk/2019-06/msg00079.html (6,949 bytes)

62. Re: [TowerTalk] Non HOA tower troubles (score: 1)
Author: "Doug Ronald" <doug@dougronald.com>
Date: Fri, 23 Aug 2019 14:19:35 -0700
I live in a city, I won't mention the name (Sunnyvale), where they have a whole staff of Nazis to harass citizens just like you're experiencing. Except in my city, they take color pictures, and provi
/archives//html/Towertalk/2019-08/msg00113.html (13,150 bytes)

63. Re: [TowerTalk] Non HOA tower troubles (score: 1)
Author: "Doug Ronald" <doug@dougronald.com>
Date: Fri, 23 Aug 2019 16:36:56 -0700
Okay, it's the wrong expression - I won't use it again. I don't know the name for a group that encourages people to report their neighbors to the state anonymously... Using the term for things other
/archives//html/Towertalk/2019-08/msg00121.html (15,888 bytes)

64. [TowerTalk] High VSWR (score: 1)
Author: "Doug Ronald" <doug@dougronald.com>
Date: Wed, 28 Aug 2019 15:30:38 -0700
Hmmm, my VSWR came up a little high this afternoon, see my QRZ page to see why. Actually, I shouldn't joke about it - I'm totally devastated. 73 all, -Doug Ronald, W6DSR _____________________________
/archives//html/Towertalk/2019-08/msg00207.html (6,347 bytes)

65. Re: [TowerTalk] High VSWR (score: 1)
Author: "Doug Ronald" <doug@dougronald.com>
Date: Thu, 29 Aug 2019 10:24:42 -0700
Aware that the hoisting cable could break, or the winch fail, or some other unforeseen event could happen, I made sure no people or animals were in the fall zone. My expensive mistake was not torquei
/archives//html/Towertalk/2019-08/msg00238.html (10,071 bytes)

66. Re: [TowerTalk] High VSWR (score: 1)
Author: "Doug Ronald" <doug@dougronald.com>
Date: Thu, 29 Aug 2019 10:48:42 -0700
Wind is the reason. I get usually two storms in the winter with BIG winds. My anemometer at about 20 feet has had the cups blown off it with a 116 MPH reading. Even this military antenna with a 120 M
/archives//html/Towertalk/2019-08/msg00240.html (11,668 bytes)

67. Re: [TowerTalk] High VSWR (score: 1)
Author: "Doug Ronald" <doug@dougronald.com>
Date: Sun, 1 Sep 2019 11:18:09 -0700
SO2R is still feasible with the proper diplexer as long as the two operators can work stations in the same direction. This antenna's beamwidth is 70 degrees, so there is plenty of leeway geographical
/archives//html/Towertalk/2019-09/msg00011.html (12,221 bytes)

68. Re: [TowerTalk] High VSWR (score: 1)
Author: "Doug Ronald" <doug@dougronald.com>
Date: Sun, 1 Sep 2019 11:41:19 -0700
I would like to talk to you about that vane idea when I get further along on the repair of this LP. Those back 4 elements are really heavy, so placing the boom-to-mast mounting plate in the physical
/archives//html/Towertalk/2019-09/msg00012.html (11,366 bytes)

69. Re: [TowerTalk] High VSWR (score: 1)
Author: "Doug Ronald" <doug@dougronald.com>
Date: Tue, 3 Sep 2019 10:42:39 -0700
People would show up at every hearing, and there were four hearings, and say things like: "I don't want ANYTHING manmade in my view shed!". Another couple some 2.5 miles away line-of-sight, would sho
/archives//html/Towertalk/2019-09/msg00041.html (11,702 bytes)

70. Re: [TowerTalk] Shack Heater (score: 1)
Author: "Doug Ronald" <doug@dougronald.com>
Date: Tue, 8 Oct 2019 00:17:36 -0700
I think the heater type Jim is referring to is an infra-red radiation heater. They are not designed to work efficiently via conduction, or convection. I have one also sold by Costco, and put on displ
/archives//html/Towertalk/2019-10/msg00050.html (9,996 bytes)

71. Re: [TowerTalk] Oldest Free Standing Amateur Tower? W4EM, Memphis TN (score: 1)
Author: "Doug Ronald" <doug@dougronald.com>
Date: Sat, 29 Feb 2020 16:06:01 -0800
Using Street View, the tower looks pretty solid at the base, little rust, but all the bolts are intact. Based on the QSL card, I tried to find the 2nd tower's foundation in Google Earth and in Street
/archives//html/Towertalk/2020-02/msg00166.html (8,947 bytes)

72. Re: [TowerTalk] Using NEC-5 output data with other display programs (score: 1)
Author: "Doug Ronald" <doug@dougronald.com>
Date: Tue, 18 Aug 2020 10:40:36 -0700
That is very useful - thanks for posting! -W6DSR See: https://forums.qrz.com/index.php?threads/using-nec-5-output-data-with-otherdisplay-programs.720532/ Dan, AC6LA __________________________________
/archives//html/Towertalk/2020-08/msg00115.html (7,789 bytes)

73. Re: [TowerTalk] Pan,zoom,tilt camera on tower (score: 1)
Author: "Doug Ronald" <doug@dougronald.com>
Date: Fri, 4 Sep 2020 10:23:17 -0700
I'll put in a plug for the Axis Q6128E. I have one on my tower at a remote location, and can steer it around from my smartphone or any Internet connected computer throughout the world. The camera har
/archives//html/Towertalk/2020-09/msg00046.html (9,333 bytes)

74. Re: [TowerTalk] Need ideas for 80m Vertical Foldover Base (score: 1)
Author: "Doug Ronald" <doug@dougronald.com>
Date: Tue, 24 Nov 2020 12:27:46 -0800
I have some insulators for sale here: http://w6dsr.com/misc/index.html the 2nd item. You can see how you could make a pivot from the forked end of one section, and then the other two legs of the towe
/archives//html/Towertalk/2020-11/msg00217.html (9,798 bytes)

75. [TowerTalk] LP Antenna Question (score: 1)
Author: "Doug Ronald" <doug@dougronald.com>
Date: Sat, 28 Nov 2020 12:37:36 -0800
I have a question for the group (maybe not the right group): My log periodic dipole array antenna has the coaxial transmission line terminus with a Z0 of about 64 Ohms (measured with a VNA, and calcu
/archives//html/Towertalk/2020-11/msg00260.html (7,015 bytes)

76. [TowerTalk] FW: LP Antenna Question (score: 1)
Author: "Doug Ronald" <doug@dougronald.com>
Date: Sat, 28 Nov 2020 16:42:37 -0800
Nope. Not a chance. It's a commercial antenna, hundreds sold, and apparently they all work. I put a photo of the front end of the antenna on my website on a related page. The image is the first one a
/archives//html/Towertalk/2020-11/msg00264.html (8,638 bytes)

77. Re: [TowerTalk] 12V transient/noise filtering? (score: 1)
Author: "Doug Ronald" <doug@dougronald.com>
Date: Thu, 13 May 2021 14:01:58 -0700
It seems like a Maxim MAX16171 would fit the bill. It handles an input protection range of -42 through +76 V, and with an external FET, any reasonable current you need. I didn't look into an applicat
/archives//html/Towertalk/2021-05/msg00042.html (11,300 bytes)

78. Re: [TowerTalk] Air Dummy Loads (score: 1)
Author: "Doug Ronald" <doug@dougronald.com>
Date: Thu, 13 May 2021 16:15:02 -0700
I've had for sale for some time a pile of Bird Termaline Model 8141 250 Watt continuous dissipation dummy loads. Anyone could make a 4-way combiner, and with 4 of these loads, reach 1 kW continuous.
/archives//html/Towertalk/2021-05/msg00049.html (8,397 bytes)

79. Re: [TowerTalk] Radiowavz (score: 1)
Author: "Doug Ronald" <doug@dougronald.com>
Date: Tue, 24 May 2022 12:59:28 -0700
And anyone after some guy line insulators namely: PORCELAIN GUY STRAIN INSULATOR, ANSI 54-2, I have tons of them I'm trying to get rid of... -Doug, W6DSR Many years ago, I bought a couple of center i
/archives//html/Towertalk/2022-05/msg00173.html (9,541 bytes)

80. Re: [TowerTalk] Feeding Guys was Loading Guy Wires (score: 1)
Author: "Doug Ronald" <doug@dougronald.com>
Date: Mon, 19 Sep 2022 10:24:25 -0700
My commercial 80 foot tower with a log periodic on a mast 20 feet above the tower top has sections of steel wire rope spaced 8', 10', 10', 10', then 70' to the ground turnbuckles. The antenna itself
/archives//html/Towertalk/2022-09/msg00049.html (9,662 bytes)


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