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Total 73 documents matching your query.

61. [TowerTalk] slipnott(sp?) (score: 1)
Author: Dan Hearn <n5ardxcc@gmail.com>
Date: Thu, 22 May 2014 10:03:39 -0700
I believe, at one time there was a device to add to a rotator clamp to cure a slippage problem. I have tried Google for various spellings and no result. Is such a thing still available? -- Dan Hearn
/archives//html/Towertalk/2014-05/msg00419.html (7,135 bytes)

62. Re: [TowerTalk] ICOM AH-4 Antenna Options... (score: 1)
Author: Dan Hearn <n5ardxcc@gmail.com>
Date: Tue, 17 Jun 2014 09:20:48 -0700
Hi Dino: Many years ago when I first got my license I lived in a 2 story house with attic. I installed a 20 m dipole in the attic. Every time I closed my key the light bulb in the downstairs kitchen
/archives//html/Towertalk/2014-06/msg00141.html (9,406 bytes)

63. Re: [TowerTalk] Sluggish crank-up tower (score: 1)
Author: Dan Hearn <n5ardxcc@gmail.com>
Date: Fri, 20 Jun 2014 11:25:09 -0700
Rick: I replaced the lift cables and pulley bearings on my TX472 by myself with the tower in vertical position. I have a note on our club website www.SDXA.org describing how I did it. The note is und
/archives//html/Towertalk/2014-06/msg00210.html (9,385 bytes)

64. Re: [TowerTalk] 10 throu 20 beam traps or no traps (score: 1)
Author: Dan Hearn <n5ardxcc@gmail.com>
Date: Sat, 21 Jun 2014 15:23:17 -0700
Matt: Here is a copy of a statement on the Mosley web page . "Use of a Balun or Not We do not require the use of a balun. It is not needed" I believe that the Yagi Test book states that each antenna
/archives//html/Towertalk/2014-06/msg00242.html (12,040 bytes)

65. [TowerTalk] Comments by K9YC (score: 1)
Author: Dan Hearn <n5ardxcc@gmail.com>
Date: Sun, 22 Jun 2014 19:12:55 -0700
-- Maybe I should have used a few more words to explain. In the fine Yagi tests described by K7LXC and N0AX in their book on tri band Yagis. each companies reference for their gain ratings is given.
/archives//html/Towertalk/2014-06/msg00266.html (10,877 bytes)

66. Re: [TowerTalk] Comments by K9YC (score: 1)
Author: Dan Hearn <n5ardxcc@gmail.com>
Date: Sun, 22 Jun 2014 20:28:40 -0700
Thanks for your comments guys. I am very confused. There have been a number of things in QST saying that the current from the center conductor goes into one half of the dipole DE and the remaining cu
/archives//html/Towertalk/2014-06/msg00270.html (15,571 bytes)

67. [TowerTalk] 2.4 OD x1.4 ID type 31 cores (score: 1)
Author: Dan Hearn <n5ardxcc@gmail.com>
Date: Fri, 4 Jul 2014 08:41:12 -0700
I believe someone was interested in temperature effects on these cores. You can find that information and much more here. http://disti-assets.s3.amazonaws.com/kregercomponents/files/datasheets/8227.p
/archives//html/Towertalk/2014-07/msg00051.html (7,259 bytes)

68. [TowerTalk] Cores (score: 1)
Author: Dan Hearn <n5ardxcc@gmail.com>
Date: Fri, 4 Jul 2014 08:45:53 -0700
OOPS. I should have mentioned that I bought my cores from Kreger and that is what they quote now. -- Dan Hearn N5AR _______________________________________________ ___________________________________
/archives//html/Towertalk/2014-07/msg00052.html (6,423 bytes)

69. Re: [TowerTalk] 80 meter dipole (score: 1)
Author: Dan Hearn <n5ardxcc@gmail.com>
Date: Sun, 20 Jul 2014 19:12:51 -0700
Tom: How high is your dipole? Unless it is well over 1/2 wavelength, the feed point impedance is probably around 25 ohms. You are feeding it with 75 ohm coax, a bad mismatch. Do you have a line choke
/archives//html/Towertalk/2014-07/msg00147.html (8,273 bytes)

70. Re: [TowerTalk] Trailer Hitch Electrical Connectors for Rotator Cable (score: 1)
Author: Dan Hearn <n5ardxcc@gmail.com>
Date: Wed, 20 Aug 2014 17:31:06 -0700
Trailer connector 4 pin sets are widely available. Buy 2 sets and connect one of the male ends and one of the female ends to the rotator. Use the other male and female for the cable end to your stati
/archives//html/Towertalk/2014-08/msg00348.html (10,572 bytes)

71. [TowerTalk] Boom Caps? (score: 1)
Author: Dan Hearn <n5ardxcc@gmail.com>
Date: Fri, 22 Aug 2014 10:03:16 -0700
You don't want bird nests and wasps inside it so do not leave it open. I use small screens in each end. You can make them using a type of screening called hardware cloth. A strange name for metal scr
/archives//html/Towertalk/2014-08/msg00386.html (6,989 bytes)

72. [TowerTalk] EF420/240 Antenna. (score: 1)
Author: Dan Hearn <n5ardxcc@gmail.com>
Date: Thu, 23 Oct 2014 18:27:52 -0700
Does anyone have one of these antennas which works properly with a decent F/B and a reasonable SWR somewhere in its band ?. I have acquired one which has had the original aluminum clad 40m truss/line
/archives//html/Towertalk/2014-10/msg00318.html (6,794 bytes)

73. Re: [TowerTalk] Rotor swap query (score: 1)
Author: Dan Hearn <n5ardxcc@gmail.com>
Date: Tue, 18 Nov 2014 10:12:04 -0800
http://www.sdxa.org/?p=265 The TX472 is on the left side of the picture. It is also possible to rent a Man lift to access the rotor with the tower extended enough to access the rotator. I have seen a
/archives//html/Towertalk/2014-11/msg00316.html (11,953 bytes)

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