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Total 391 documents matching your query.

81. Re: [TowerTalk] Killer Springs; Spring-Eq plate/Leeson (score: 1)
Author: "Mark Robinson" <markrob@mindspring.com>
Date: Sun, 26 Oct 2008 09:59:51 -0400
Something else to consider http://www.randdmarine.com/flexiblesc.asp Mark N1UK G3ZZM _______________________________________________ _______________________________________________ TowerTalk mailing
/archives//html/Towertalk/2008-10/msg00499.html (12,425 bytes)

82. Re: [TowerTalk] Installer death in Wa. state (score: 1)
Author: "Mark Robinson" <markrob@mindspring.com>
Date: Sun, 26 Oct 2008 11:12:43 -0400
Yes be careful and think out every move before you make it. No rushing or working when you are tired. Mark N1UK G3ZZM _______________________________________________ _________________________________
/archives//html/Towertalk/2008-10/msg00501.html (13,641 bytes)

83. Re: [TowerTalk] Guyed "Crank-Up"/"Self-Supporting" Towers (score: 1)
Author: "Mark Robinson" <markrob@mindspring.com>
Date: Fri, 7 Nov 2008 18:31:26 -0500
Interesting, thank you Jerry I am able to read all the pages with no problems. So the concept is called GAYE. Guy as You Erect. Quite ingenious with locking sections. Mark N1UK ______________________
/archives//html/Towertalk/2008-11/msg00181.html (9,384 bytes)

84. Re: [TowerTalk] 40 meter delta (score: 1)
Author: "Mark Robinson" <markrob@mindspring.com>
Date: Thu, 13 Nov 2008 06:57:31 -0500
The pdf got stripped off but could you send it to me. I would be interested. I am using a 160m dipole fed with ladder line and it works very well on 30m. 73 Mark N1UK ________________________________
/archives//html/Towertalk/2008-11/msg00333.html (11,695 bytes)

85. Re: [TowerTalk] bIG ANTENNA PROBLEM (score: 1)
Author: "Mark Robinson" <markrob@mindspring.com>
Date: Sat, 15 Nov 2008 18:49:20 -0500
Hi Tony I have something similar. Is that a 160m dipole. I have about 126 feet I think on either side of the center insulator, fed with 450 wire open wire feeder and then a choke balun and about 20 f
/archives//html/Towertalk/2008-11/msg00389.html (8,451 bytes)

86. Re: [TowerTalk] what can go wrong with a Bencher YA-1 low pass filter (score: 1)
Author: "Mark Robinson" <markrob@mindspring.com>
Date: Sun, 16 Nov 2008 17:57:31 -0500
I have one of those too. I expect to see coils and capacitors inside. Maybe one of the capacitors started to fail short circuit or one of the coils started to open up. There could be a bad connection
/archives//html/Towertalk/2008-11/msg00413.html (8,814 bytes)

87. Re: [TowerTalk] Dipole Center Connector (score: 1)
Author: "Mark Robinson" <markrob@mindspring.com>
Date: Mon, 17 Nov 2008 13:06:14 -0500
Page 8-9 of ON4UN's Low Band DX'ing book shows the construction of a wide band dipole for 80m Mark N1UK _______________________________________________ _______________________________________________
/archives//html/Towertalk/2008-11/msg00431.html (10,104 bytes)

88. Re: [TowerTalk] Gin pole use instructions (score: 1)
Author: "Mark Robinson" <markrob@mindspring.com>
Date: Wed, 19 Nov 2008 09:46:59 -0500
I know what you mean. I had a home made gin pole and it wasn't easy to slide the pole down within the clamp, so like you I was trying to get the gin pole in position with the securing clamp near the
/archives//html/Towertalk/2008-11/msg00477.html (9,963 bytes)

89. Re: [TowerTalk] Ladder Line Underground (score: 1)
Author: "Mark Robinson" <markrob@mindspring.com>
Date: Fri, 21 Nov 2008 09:48:34 -0500
Yes that was what I figured. A single 12 inch diameter plastic pipe with the ladder line suspended in the middle or else convert from ladder line to coax for the pipe run and then back again at the o
/archives//html/Towertalk/2008-11/msg00533.html (9,925 bytes)

90. Re: [TowerTalk] remote enclosures for electronics (score: 1)
Author: "Mark Robinson" <markrob@mindspring.com>
Date: Tue, 25 Nov 2008 09:50:03 -0500
-- Original Message -- Lowes have bunches of them...all shapes and sizes Mark N1UK _______________________________________________ _______________________________________________ TowerTalk mailing li
/archives//html/Towertalk/2008-11/msg00705.html (12,693 bytes)

91. Re: [TowerTalk] remote enclosures for electronics (score: 1)
Author: "Mark Robinson" <markrob@mindspring.com>
Date: Tue, 25 Nov 2008 09:51:09 -0500
NEMA 4 enclosures should work well...made by Hoffmann and many others Mark N1UK _______________________________________________ _______________________________________________ TowerTalk mailing list
/archives//html/Towertalk/2008-11/msg00706.html (13,430 bytes)

92. Re: [TowerTalk] Survey (score: 1)
Author: "Mark Robinson" <markrob@mindspring.com>
Date: Fri, 28 Nov 2008 15:29:39 -0500
A nice 80m 4 square using Rohn 45 sections, so no guy wires would be a good start. A 40m 4 square and also that big monster Steppir at 120 feet. Maybe a 4 square receiving array. Oh and why not somet
/archives//html/Towertalk/2008-11/msg00752.html (9,711 bytes)

93. [TowerTalk] Tower Disaster (score: 1)
Author: "Mark Robinson" <markrob@mindspring.com>
Date: Thu, 4 Dec 2008 16:53:06 -0500
This a tragic story and it shows how quickly things can go wrong. http://www.sbe36.org/1999/0212.html Mark N1UK _______________________________________________ _______________________________________
/archives//html/Towertalk/2008-12/msg00070.html (7,331 bytes)

94. Re: [TowerTalk] Best way of getting a line over a tree (score: 1)
Author: "Mark Robinson" <markrob@mindspring.com>
Date: Wed, 24 Dec 2008 11:18:56 -0600
A slingshot won't get you high enough, the tennis ball launcher should be able to do it but a bow and arrow will. Mark N1UK _______________________________________________ ___________________________
/archives//html/Towertalk/2008-12/msg00589.html (10,503 bytes)

95. Re: [TowerTalk] Hy-Gain AV-640 (score: 1)
Author: "Mark Robinson" <markrob@mindspring.com>
Date: Sun, 28 Dec 2008 19:35:34 -0600
Hi Art, I would be very interested in seeing how you engineered your pipe, if you don't mind sending me the pictures. 73 de Mark N1UK -- Original Message -- From: <atrampler@att.net> To: "Richards" <
/archives//html/Towertalk/2008-12/msg00690.html (15,169 bytes)

96. Re: [TowerTalk] Knot tying (score: 1)
Author: "Mark Robinson" <markrob@mindspring.com>
Date: Mon, 29 Dec 2008 11:36:45 -0600
would a "round turn and two half hitches" work _______________________________________________ _______________________________________________ TowerTalk mailing list TowerTalk@contesting.com http://l
/archives//html/Towertalk/2008-12/msg00710.html (8,819 bytes)

97. Re: [TowerTalk] Knot tying (score: 1)
Author: "Mark Robinson" <markrob@mindspring.com>
Date: Tue, 30 Dec 2008 16:04:26 -0600
yes but that was in the early 60's.......I remember that knot now that you mention it Mark N1UK _______________________________________________ _______________________________________________ TowerTa
/archives//html/Towertalk/2008-12/msg00747.html (7,420 bytes)

98. Re: [TowerTalk] 160 mtr vertical Query (score: 1)
Author: "Mark Robinson" <markrob@mindspring.com>
Date: Tue, 30 Dec 2008 22:04:47 -0600
This might be worth a read http://www.eham.net/forums/TowerTalk/16020 _______________________________________________ _______________________________________________ TowerTalk mailing list TowerTalk@
/archives//html/Towertalk/2008-12/msg00755.html (9,667 bytes)

99. Re: [TowerTalk] Unique Inv L...Help! (score: 1)
Author: "Mark Robinson" <markrob@mindspring.com>
Date: Thu, 1 Jan 2009 15:10:01 -0600
I wouldn't use a 4:1 balun, (if you are converting to coax near the shack) since the open wire feeder is likely to be terminated at the antenna end with an impedance other than 400 ohm resistive. Thi
/archives//html/Towertalk/2009-01/msg00018.html (11,259 bytes)

100. Re: [TowerTalk] Unique Inv L...Help! (score: 1)
Author: "Mark Robinson" <markrob@mindspring.com>
Date: Thu, 1 Jan 2009 15:16:32 -0600
This will show you your input impedance if you know your antenna input impedance and transmission line length http://www.vk1od.net/tl/tllc.php _______________________________________________ ________
/archives//html/Towertalk/2009-01/msg00019.html (10,615 bytes)


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