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References: [ +from:fisher@hp-and2.an.hp.com: 99 ]

Total 99 documents matching your query.

41. Delta Loop question (score: 1): Author: fisher@hp-and2.an.hp.com (Tony Brock-Fisher); Date: Fri, 6 Dec 1996 09:56:08 -0500; I don't think grounding a delta loop at the corner opposite the feed will do much in the way of improvement. I modelled what you suggest, and found that the change just skews the pattern a bit. A bet; /archives//html/Towertalk/1996-12/msg00072.html (7,370 bytes)
42. Questions (score: 1): Author: fisher@hp-and2.an.hp.com (Tony Brock-Fisher); Date: Mon, 9 Dec 1996 13:23:23 -0500; Actually, Tower Heads design them. Tower Monkeys install them. -Tony, K1KP, fisher@hp-and2.an.hp.com -- FAQ on WWW: http://www.contesting.com/towertalkfaq.html Submissions: towertalk@contesting.com; /archives//html/Towertalk/1996-12/msg00124.html (6,807 bytes)
43. Special Seasons Greetings (score: 1): Author: fisher@hp-and2.an.hp.com (Tony Brock-Fisher); Date: Thu, 26 Dec 1996 10:35:17 -0500; Roger Elowitz, K2JAS quotes: penney you paid for it." I'd suggest that a subscription to Towertalk is not free! We all pay an ISP either directly or indirectly for the priviledge. Past that, the prov; /archives//html/Towertalk/1996-12/msg00450.html (7,180 bytes)
44. Rugged dipole center insulators (score: 1): Author: fisher@hp-and2.an.hp.com (Tony Brock-Fisher); Date: Mon, 30 Dec 1996 09:46:41 -0500; Pete Make your own from PVC plumbing tees. Cheap/sturdy/works. Details on request. -Tony, K1KP, fisher@hp-and2.an.hp.com -- FAQ on WWW: http://www.contesting.com/towertalkfaq.html Submissions: towert; /archives//html/Towertalk/1996-12/msg00500.html (6,823 bytes)
45. quad antenna modeling (score: 1): Author: fisher@hp-and2.an.hp.com (Tony Brock-Fisher); Date: Fri, 1 Nov 1996 09:05:50 -0500; I use NEC-WIN Basic, which is a Windows wrapper for NEC2 code. I've had no trouble modelling quads with it... -Tony, K1KP, fisher@hp-and2.an.hp.com -- FAQ on WWW: http://www.contesting.com/towertalkf; /archives//html/Towertalk/1996-11/msg00000.html (6,681 bytes)
46. quad antenna modeling (score: 1): Author: fisher@hp-and2.an.hp.com (Tony Brock-Fisher); Date: Fri, 1 Nov 1996 09:04:14 -0500; Quads often do not model well because of segment overlap in the corners. Try higher numbers of segments - you should find that your results converge on more reasonable numbers as you increase the num; /archives//html/Towertalk/1996-11/msg00001.html (6,377 bytes)
47. M2 40 Mtr Yagi (score: 1): Author: fisher@hp-and2.an.hp.com (Tony Brock-Fisher); Date: Fri, 8 Nov 1996 13:59:57 -0500; I don't have any experience with the M2 antennas, Dave, but it sounds as though the problem isn't that the set screws themselves are backing out; rather the material they are supposed to lock in plac; /archives//html/Towertalk/1996-11/msg00051.html (7,561 bytes)
48. TIC ringrotor control box smoke (score: 1): Author: fisher@hp-and2.an.hp.com (Tony Brock-Fisher); Date: Mon, 11 Nov 1996 13:25:24 -0500; This is the reason I hate ZNR's! They are a fire hazard looking for someplace to happen. They are made out of a stack of single plate low voltage devices, with the number of single devices determinin; /archives//html/Towertalk/1996-11/msg00080.html (7,744 bytes)
49. Corrosion Inhibitor Noalox at Home Depot (score: 1): Author: fisher@hp-and2.an.hp.com (Tony Brock-Fisher); Date: Tue, 12 Nov 1996 13:36:12 -0500; Well, here goes this thread again. There's two basicly different kinds of stuff. Noalox, which is a green greasy looking stuff that can be obtained from electrical supply houses (and Home Depot). The; /archives//html/Towertalk/1996-11/msg00109.html (10,167 bytes)
50. Great Climbing Gloves (score: 1): Author: fisher@hp-and2.an.hp.com (Tony Brock-Fisher); Date: Mon, 18 Nov 1996 09:32:13 -0500; When the summer months come, and contesting dies down to a dull roar, my other competitive sport outlet is PHRF Yacht Racing. And this sport has introduced me to line-handling or sailing gloves. Nice; /archives//html/Towertalk/1996-11/msg00166.html (7,215 bytes)
51. Power line - noise? (score: 1): Author: fisher@hp-and2.an.hp.com (Tony Brock-Fisher); Date: Mon, 18 Nov 1996 09:40:58 -0500; First, I don't think you can really compare notes on this subject. I expect you will receive a wide variation of responses. I live right under a couple of 115KV distribution lines. I mean right under; /archives//html/Towertalk/1996-11/msg00170.html (8,175 bytes)
52. "STACKING" 40 ROTATABLE DIPOLE QUESTION (score: 1): Author: fisher@hp-and2.an.hp.com (Tony Brock-Fisher); Date: Tue, 26 Nov 1996 09:12:54 -0500; Brian Hard to say. You would be creating an "open sleeve" type antenna - which would be detuning the dipole. How much is hard to say. My guess is that you would have to adjust the length of the 40 di; /archives//html/Towertalk/1996-11/msg00219.html (12,202 bytes)
53. Feeding Stacked TH-6s (score: 1): Author: fisher@hp-and2.an.hp.com (Tony Brock-Fisher); Date: Wed, 27 Nov 1996 09:14:22 -0500; You must get the phasing on the baluns correct! After you put it up, if you switch to both-in-phase and the signal strength decreases, one of the baluns needs to be reversed. GL! -Tony, K1KP, fisher@; /archives//html/Towertalk/1996-11/msg00231.html (7,285 bytes)
54. Best Climbing Safety Harness (score: 1): Author: fisher@hp-and2.an.hp.com (Tony Brock-Fisher); Date: Tue, 1 Oct 1996 09:03:29 -0400; Tom I have been using a fall arrest harness which I purchased from Tower Tech about a month ago. Tower Tech is owned/operated by Steve, K7LXC, master of ceremonies of this reflector. Tower Tech offer; /archives//html/Towertalk/1996-10/msg00003.html (9,959 bytes)
55. Best Climbing Safety Harness (score: 1): Author: fisher@hp-and2.an.hp.com (Tony Brock-Fisher); Date: Wed, 2 Oct 1996 08:43:23 -0400; Tom I'll bring it - I may wear it around the flea market in the morning. I think I'd prefer the D ring in back, where it and the lanyard stays out of the way. CU at the fair! -Tony, K1KP, fisher@hp-a; /archives//html/Towertalk/1996-10/msg00013.html (7,752 bytes)
56. EMT Electrical Conduit!!!!!!!! (score: 1): Author: fisher@hp-and2.an.hp.com (Tony Brock-Fisher); Date: Tue, 8 Oct 1996 12:36:32 -0400; As for schedule 80 pipe, you're getting closer there. Problem is, no one publishes a spec for the yield strength of water pipe, cause it's not designed to be used as a structural member. That being s; /archives//html/Towertalk/1996-10/msg00089.html (7,709 bytes)
57. Band Reject Coaxial Stubs (score: 1): Author: fisher@hp-and2.an.hp.com (Tony Brock-Fisher); Date: Wed, 9 Oct 1996 09:20:45 -0400; Yes. Depends on the cable quality you use. RG-59 is lowsy. RG-213 will give about 20-25 db deep notches. -Tony, K1KP, fisher@hp-and2.an.hp.com -- FAQ on WWW: http://www.contesting.com/towertalkfaq.h; /archives//html/Towertalk/1996-10/msg00104.html (7,767 bytes)
58. Band Reject Coaxial Stubs (score: 1): Author: fisher@hp-and2.an.hp.com (Tony Brock-Fisher); Date: Wed, 9 Oct 1996 12:34:30 -0400; Del asks: is overload/i'mod etc in the 20 meter station. Minimizing the amount of rf from the offending station would be the logical choice. What am I missing? The answer is that the purpose of a stu; /archives//html/Towertalk/1996-10/msg00109.html (8,503 bytes)
59. Band Reject Coaxial Stubs (score: 1): Author: fisher@hp-and2.an.hp.com (Tony Brock-Fisher); Date: Wed, 9 Oct 1996 15:19:35 -0400; Au contraire! Stubs are very effective, and they handle the high power of the amp output more easily than lumped constant filters. They provide attenuation on harmonicly related bands - which is just; /archives//html/Towertalk/1996-10/msg00116.html (7,891 bytes)
60. Open in coax (score: 1): Author: fisher@hp-and2.an.hp.com (Tony Brock-Fisher); Date: Fri, 11 Oct 1996 09:13:07 -0400; Use a TDR, time-domain reflectometer. There are very expensive, fancy ones, but you can build a simple one easily if you have a scope. This sends a pulse down the line which bounces off the open. Kno; /archives//html/Towertalk/1996-10/msg00132.html (8,220 bytes)

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