Search String: Display: Description: Sort:

Results:

References: [ +from:km5vi@flukey.cc: 80 ]

Total 80 documents matching your query.

41. [TowerTalk] FW: Mast material (score: 1)
Author: "Matt" <km5vi@flukey.cc>
Date: Thu, 27 Jun 2013 23:21:55 -0500
Just an add to Grant's good comments - look for any stenciled markings which can give a clue as to the material. KM5VI --Original Message-- From: TowerTalk [mailto:towertalk-bounces@contesting.com] O
/archives//html/Towertalk/2013-06/msg00433.html (9,349 bytes)

42. [TowerTalk] FW: Triex LM470 Recabling question (score: 1)
Author: "Matt" <km5vi@flukey.cc>
Date: Tue, 30 Jul 2013 01:20:48 -0500
Brian, I recently made up new cables and installed them on My LM470. I have detailed notes & sketches. Send me an email off-line if you need them and I will happy to pdf them to you. 73 Matt KM5VI I'
/archives//html/Towertalk/2013-07/msg00543.html (9,652 bytes)

43. [TowerTalk] FW: Digging a 5'x5'x7' hole in sandy soil (score: 1)
Author: "Matt" <km5vi@flukey.cc>
Date: Wed, 14 Aug 2013 21:16:07 -0500
Just want to reiterate on advice from N6SJ, AB7E, KK9A, & VE4XT... get with a qualified structural engineer if there is any doubt about the compressive strength of the soil you are placing the founda
/archives//html/Towertalk/2013-08/msg00361.html (12,631 bytes)

44. [TowerTalk] FW: Base bolts for UST HDX-572MDPL (score: 1)
Author: "Matt" <km5vi@flukey.cc>
Date: Mon, 19 Aug 2013 23:56:43 -0500
Suggest to call John at Superior Bolt & Nut Mfg. (602) 841-8100. He is a primary supplier for galvanized anchor bolts including ATSM F1554 Grade 55 with the plates already affixed to the bottoms. He
/archives//html/Towertalk/2013-08/msg00489.html (11,062 bytes)

45. [TowerTalk] Hygain questions (score: 1)
Author: "Matt" <km5vi@flukey.cc>
Date: Fri, 23 Aug 2013 23:10:56 -0500
I'm looking for some Hy-gain Long John info: 1. Has anyone retuned a 153BA for 12m operation and can provide their final dimensional settings? 2. I have a pair of older 204BA's with the # 175121 beta
/archives//html/Towertalk/2013-08/msg00572.html (7,575 bytes)

46. [TowerTalk] FW: Hygain questions (score: 1)
Author: "Matt" <km5vi@flukey.cc>
Date: Fri, 23 Aug 2013 23:29:12 -0500
Please disregard question #2.... I just realized the original design was not adjustable. Matt KM5VI I'm looking for some Hy-gain Long John info: 1. Has anyone retuned a 153BA for 12m operation and ca
/archives//html/Towertalk/2013-08/msg00573.html (8,473 bytes)

47. [TowerTalk] FW: MA-555 anchor bolts size (score: 1)
Author: "Matt" <km5vi@flukey.cc>
Date: Tue, 17 Sep 2013 01:56:13 -0500
The MA-550 tower by itself came shipped with (2) 1/2" x 10"anchor bolts and a wall bracket. It was not designed for free-standing installation. It was required to be "bracketed to the eve of a house
/archives//html/Towertalk/2013-09/msg00194.html (9,627 bytes)

48. [TowerTalk] FW: Help with calculations... (score: 1)
Author: "KM5VI" <km5vi@flukey.cc>
Date: Tue, 17 Sep 2013 13:00:05 -0500
For the setup you have given: Max lifting cable tension = (M1 x T) + (M2 x A) Where: T = gross tower weight A = top payload weight M1 = ratio of moment arm from tower mass to lifting point / SINE min
/archives//html/Towertalk/2013-09/msg00206.html (10,198 bytes)

49. [TowerTalk] FW: Custom antenna design (score: 1)
Author: "KM5VI" <km5vi@flukey.cc>
Date: Tue, 17 Sep 2013 13:38:45 -0500
Three thoughts: For a horizontal beam it is theoretically possible, but in the practical world, difficult at best (not really viable) because of the compromises in efficiency and useable bandwidth. F
/archives//html/Towertalk/2013-09/msg00209.html (7,867 bytes)

50. [TowerTalk] FW: Custom antenna design (score: 1)
Author: "Matt" <km5vi@flukey.cc>
Date: Tue, 17 Sep 2013 21:15:53 -0500
Have you considered taking the alligator approach with improved ears? Stay with your dipole and QRO if you can't be heard. Invest in the best, small, directional receive only antenna that your budget
/archives//html/Towertalk/2013-09/msg00222.html (9,721 bytes)

51. Re: [TowerTalk] Custom antenna design (score: 1)
Author: "KM5VI" <km5vi@flukey.cc>
Date: Wed, 18 Sep 2013 11:38:29 -0500
Extrapolation of scaled dimensions is not a good assumption in this case... see link (and others).... or model one. http://www.qsl.net/4s7ab/broadbandhexbeam40m4s7ab.htm KM5VI --Original Message-- Fr
/archives//html/Towertalk/2013-09/msg00235.html (10,619 bytes)

52. [TowerTalk] FW: Converting a tribander to a dualbander (score: 1)
Author: "Matt" <km5vi@flukey.cc>
Date: Sun, 29 Sep 2013 22:20:15 -0500
What kind of tribander? Is it possible to take the typical triband yagi and shorten it some to use it only on 15 and 10m if you are limited on space? I guess this would involve removing the element e
/archives//html/Towertalk/2013-09/msg00326.html (7,896 bytes)

53. [TowerTalk] FW: hygain BN-86 balun (score: 1)
Author: "Matt" <km5vi@flukey.cc>
Date: Tue, 29 Oct 2013 20:27:26 -0500
I have acquired several Hy-Gain baluns that came along with second-hand Long Johns. The labels are long gone off of these. Is there any easy way to determine if they are BN-86 or BN-4000? Thanks, Mat
/archives//html/Towertalk/2013-10/msg00450.html (7,141 bytes)

54. [TowerTalk] FW: FW: hygain BN-86 balun (score: 1)
Author: "Matt" <km5vi@flukey.cc>
Date: Tue, 29 Oct 2013 21:05:33 -0500
I get it now - transformer vs. transmission mode. Thanks Hector ! Matt From: Hector Garcia,XE2K [mailto:j_hector_garcia@sbcglobal.net] Sent: Tuesday, October 29, 2013 8:36 PM To: Matt Subject: Re: [T
/archives//html/Towertalk/2013-10/msg00451.html (9,156 bytes)

55. [TowerTalk] FW: concrete (score: 1)
Author: "KM5VI" <km5vi@flukey.cc>
Date: Fri, 1 Nov 2013 17:24:34 -0500
Concrete cures very quickly at first and slows as time progresses - most mixes will develop about 2/3rds (or more) of their 28-day strength within the first 7 days after placement. I have erected cra
/archives//html/Towertalk/2013-11/msg00015.html (7,495 bytes)

56. [TowerTalk] FW: Base Anchor Bolts (score: 1)
Author: "Matt" <km5vi@flukey.cc>
Date: Sun, 3 Nov 2013 01:13:53 -0500
The link below shows some diagrams of different anchor bolt types. Which ones do you have? The last HDX572 design calculations I have from UST specify (6) 1" by 27" ASTM F1554, grade 55 (55,000 psi y
/archives//html/Towertalk/2013-11/msg00040.html (9,757 bytes)

57. [TowerTalk] FW: FW: Base Anchor Bolts (score: 1)
Author: "Matt" <km5vi@flukey.cc>
Date: Sun, 3 Nov 2013 16:54:00 -0600
Just for information only, I seem to recall that the pull-out improvement is not a linear function of the area under the nut (plate, washer, etc) because the principle stresses in the footing develop
/archives//html/Towertalk/2013-11/msg00050.html (13,565 bytes)

58. [TowerTalk] FW: Wiring Sky Needle tower for 220 VAC (score: 1)
Author: "Matt" <km5vi@flukey.cc>
Date: Tue, 5 Nov 2013 22:34:15 -0600
Hi Ray, At 220 V, 5V sag is about 2 % V drop. Assuming balanced load, your 110 V control power would only be down by 2 or 3 V which should be plenty stout to hold in the control relays. Is this a 2HP
/archives//html/Towertalk/2013-11/msg00094.html (10,584 bytes)

59. [TowerTalk] FW: Rotor wire question.?? (score: 1)
Author: "Matt" <km5vi@flukey.cc>
Date: Tue, 12 Nov 2013 00:12:06 -0600
Are you running the conductors underground in conduit? If so, THWN-2 (Thermoplastic Heat & Water resistant Nylon) wire is suitable for wet locations - but not direct burial. Most commonly available T
/archives//html/Towertalk/2013-11/msg00185.html (10,625 bytes)

60. [TowerTalk] FW: [Amps] UHF Connectors (score: 1)
Author: "Matt" <km5vi@flukey.cc>
Date: Tue, 12 Nov 2013 01:20:55 -0600
Great Story :) KM5VI Lots of knowledge has been lost over the past 60 or 70 years. It is important to take time to see where we have been before determine where we are going. I had a coworker that th
/archives//html/Towertalk/2013-11/msg00186.html (9,787 bytes)


This search system is powered by Namazu