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References: [ +from:k4to.dave@gmail.com: 101 ]

Total 101 documents matching your query.

41. [TowerTalk] Fan Dipole (score: 1)
Author: Dave Sublette <k4to.dave@gmail.com>
Date: Mon, 17 Feb 2020 14:41:19 -0500
I added a #14 THHN wire spaced 12" above my 40 meter rotary dipole. I cut it to about 46 feet +/-. I modeled it on a program called Antenna Model. With NO connection to the existing 40 meter dipole o
/archives//html/Towertalk/2020-02/msg00088.html (7,609 bytes)

42. Re: [TowerTalk] Dismantling an old 40m beam (score: 1)
Author: Dave Sublette <k4to.dave@gmail.com>
Date: Fri, 6 Mar 2020 11:53:55 -0500
Combining the pipe hitch/come-along method with heating is very effective. I have done this. K4TO _______________________________________________ _______________________________________________ Tower
/archives//html/Towertalk/2020-03/msg00027.html (10,547 bytes)

43. [TowerTalk] Fiberglass rod (score: 1)
Author: Dave Sublette <k4to.dave@gmail.com>
Date: Sun, 8 Mar 2020 12:29:35 -0400
Some time ago (two years) I bought some 1.75 inch diameter fiberglass Rod to use as a center insulator for my 40 meter Moxon project. I bought the material from Max-Gain Systems, somewhere in Georgia
/archives//html/Towertalk/2020-03/msg00034.html (7,709 bytes)

44. Re: [TowerTalk] Fiberglass rod (score: 1)
Author: Dave Sublette <k4to.dave@gmail.com>
Date: Sun, 8 Mar 2020 12:52:52 -0400
Well....it appears that something is out of whack with my browser. I will try another flavor. I have two more available. Thanks everyone. Dave, K4TO _______________________________________________ __
/archives//html/Towertalk/2020-03/msg00038.html (8,451 bytes)

45. Re: [TowerTalk] Fiberglass rod (score: 1)
Author: Dave Sublette <k4to.dave@gmail.com>
Date: Sun, 8 Mar 2020 13:09:31 -0400
Follow up Question. My browser now works. Go figure. Question: Is there any other material (Delrin comes to mind) that you would recommend for this application? The rod will be 1.5 inches in diameter
/archives//html/Towertalk/2020-03/msg00040.html (10,401 bytes)

46. Re: [TowerTalk] Needing some advice installing a rotor in a Rohn 25G (score: 1)
Author: Dave Sublette <k4to.dave@gmail.com>
Date: Wed, 25 Mar 2020 16:22:53 -0400
A five pound sledge will persuade the pesky Z bar to step aside just a bit. Dave, K4TO _______________________________________________ _______________________________________________ TowerTalk mailin
/archives//html/Towertalk/2020-03/msg00090.html (9,545 bytes)

47. Re: [TowerTalk] 1dB more RF Power? (score: 1)
Author: Dave Sublette <k4to.dave@gmail.com>
Date: Thu, 30 Apr 2020 15:46:54 -0400
There is no question that a well matched, efficient antenna, mounted in the clear is the best. But my "pile-up anxiety" is practically non-existent. I know what a pile-up sounds like from a DX statio
/archives//html/Towertalk/2020-04/msg00247.html (15,257 bytes)

48. [TowerTalk] Common Mode RF choke on a 50 MHz yagi (score: 1)
Author: Dave Sublette <k4to.dave@gmail.com>
Date: Sun, 28 Jun 2020 15:25:58 -0400
I have built RF chokes for 7MHz using 31 mix ferrite cores and RG-400. Now I want to build one for my 50 MHz LFA. I asked google which mix to use and one of the responses had this statement: "For RFI
/archives//html/Towertalk/2020-06/msg00228.html (7,957 bytes)

49. Re: [TowerTalk] Common Mode RF choke on a 50 MHz yagi (score: 1)
Author: Dave Sublette <k4to.dave@gmail.com>
Date: Sun, 28 Jun 2020 16:32:00 -0400
Thanks Jim, That wraps it up neatly. 73, Dave, K4TO _______________________________________________ _______________________________________________ TowerTalk mailing list TowerTalk@contesting.com htt
/archives//html/Towertalk/2020-06/msg00231.html (8,070 bytes)

50. Re: [TowerTalk] Common Mode RF choke on a 50 MHz yagi (score: 1)
Author: Dave Sublette <k4to.dave@gmail.com>
Date: Wed, 1 Jul 2020 13:50:31 -0400
The MFJ854 is rated from 1-30 MHz. Will it work on 5 MHz? How high can we "fudge"? Dave, K4TO _______________________________________________ _______________________________________________ TowerTalk
/archives//html/Towertalk/2020-07/msg00003.html (10,718 bytes)

51. Re: [TowerTalk] Common Mode RF choke on a 50 MHz yagi (score: 1)
Author: Dave Sublette <k4to.dave@gmail.com>
Date: Wed, 1 Jul 2020 13:55:08 -0400
Checking the eHam reviews shows LOTS of issues in Quality on the unit. Unless recent product has been improved, I am hesitant to order one. K4TO _______________________________________________ ______
/archives//html/Towertalk/2020-07/msg00004.html (10,915 bytes)

52. Re: [TowerTalk] Common Mode RF choke on a 50 MHz yagi (score: 1)
Author: Dave Sublette <k4to.dave@gmail.com>
Date: Thu, 2 Jul 2020 11:28:04 -0400
I have since started building one based on plans in RSGB by G0SNO. Looks like it will be a fun project. 73, Dave, K4TO _______________________________________________ ________________________________
/archives//html/Towertalk/2020-07/msg00019.html (14,959 bytes)

53. Re: [TowerTalk] Common Mode RF choke on a 50 MHz yagi (score: 1)
Author: Dave Sublette <k4to.dave@gmail.com>
Date: Thu, 2 Jul 2020 11:29:57 -0400
For anyone interested, here is the link http://www.ifwtech.co.uk/g3sek/clamp-on/clamp-on.htm MIght even put a photo up if it works. I am trying to adapt a large clamp for holding glued joints to use
/archives//html/Towertalk/2020-07/msg00020.html (15,835 bytes)

54. [TowerTalk] 10/15 yagi design (score: 1)
Author: Dave Sublette <k4to.dave@gmail.com>
Date: Thu, 9 Jul 2020 15:49:05 -0400
I am looking for a design for a 10 and 15 meter yagi on a single boom. I have a couple of ideas to model, but I thought I would ask here to see what your favorites are. I don't want to buy a commerci
/archives//html/Towertalk/2020-07/msg00099.html (7,809 bytes)

55. Re: [TowerTalk] 10/15 yagi design (score: 1)
Author: Dave Sublette <k4to.dave@gmail.com>
Date: Thu, 9 Jul 2020 16:42:02 -0400
I should have expressed myself more clearly. I am interested in only yagi designs, no wire beams, no quads, no traps. Picky, aren't I? :-) All of the antennas I listed and the one I am going to build
/archives//html/Towertalk/2020-07/msg00105.html (8,531 bytes)

56. Re: [TowerTalk] 10/15 yagi design (score: 1)
Author: Dave Sublette <k4to.dave@gmail.com>
Date: Sun, 12 Jul 2020 13:07:59 -0400
On the Telrex, the swaged section is 6 inches long. I just insert a 6 inch piece of tubing at the average diameter of the two tubes before and after it. Dave, K4TO ___________________________________
/archives//html/Towertalk/2020-07/msg00138.html (9,557 bytes)

57. Re: [TowerTalk] Buried HF/VHF feedlines (score: 1)
Author: Dave Sublette <k4to.dave@gmail.com>
Date: Sat, 25 Jul 2020 07:46:26 -0400
I ran two runs of 7/8 hardline underground (in KY) for 30 years with no problems. The cable was buried only 6 inches or so, just enough to get it under a mower. It had a low spot-- perhaps three feet
/archives//html/Towertalk/2020-07/msg00315.html (11,264 bytes)

58. Re: [TowerTalk] Knots (score: 1)
Author: Dave Sublette <k4to.dave@gmail.com>
Date: Fri, 7 Aug 2020 09:41:07 -0400
Everything I need to know about knots, I learned as a boy scout. I have been climbing for 63 years and the knots I use are, bowline, square knot, two half hitches, clove hitch, pipe hitch, square las
/archives//html/Towertalk/2020-08/msg00047.html (11,329 bytes)

59. Re: [TowerTalk] Knots (score: 1)
Author: Dave Sublette <k4to.dave@gmail.com>
Date: Fri, 7 Aug 2020 13:13:01 -0400
That Prusik knot sounds a lot like the Sheepshank... K4TO _______________________________________________ _______________________________________________ TowerTalk mailing list TowerTalk@contesting.c
/archives//html/Towertalk/2020-08/msg00052.html (10,267 bytes)

60. Re: [TowerTalk] Knots (score: 1)
Author: Dave Sublette <k4to.dave@gmail.com>
Date: Fri, 7 Aug 2020 13:14:39 -0400
It's "not" the same as a Sheepshank ... should have looked it up first :-) K4TO _______________________________________________ _______________________________________________ TowerTalk mailing list
/archives//html/Towertalk/2020-08/msg00053.html (10,785 bytes)


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