Mail Archive Search: <+from:n7cl@mmsi.com>

Results:

References: [ +from:n7cl@mmsi.com: 182 ]

Total 182 documents matching your query.

81. [TowerTalk] coax connectors & penetrox et. al. (score: 1): Author: n7cl@mmsi.com (Eric Gustafson); Date: Fri, 4 Dec 1998 12:37:48 -0700; These (attached message below) are pretty good application instructions for connector anti corrosion grease. But I would NOT consider using any grease in an RF connector that is intended for any of t; /archives//html/Towertalk/1998-12/msg00041.html (11,048 bytes)
82. [TowerTalk] Measuring Terrain Slope / Elevation (score: 1): Author: n7cl@mmsi.com (Eric Gustafson); Date: Wed, 23 Dec 1998 10:59:20 -0700; Well, the high cost idea is correct. But the post processing software step is unnecessary. We locate shovel bucket positions to an RMS error sphere with a radius of tens of centimeters in real time.; /archives//html/Towertalk/1998-12/msg00343.html (11,748 bytes)
83. [TowerTalk] TH6DXX Adjustments (score: 1): Author: n7cl@mmsi.com (Eric Gustafson); Date: Wed, 30 Dec 1998 09:11:59 -0700 (MST); Hi Mike(s), I'll spreade my comments within the quoted inserts of the original messages. To: <towertalk@contesting.com> Not only is it easier said than done, it isn't a good idea either. You have abs; /archives//html/Towertalk/1998-12/msg00478.html (10,914 bytes)
84. [TowerTalk] Vertical Dipoles (score: 1): Author: n7cl@mmsi.com (Eric Gustafson); Date: Wed, 30 Dec 1998 17:19:16 -0700 (MST); Hi Ted, It was probably my post about our J-pole in the CQWW160CW a few years back that you are referring to. To answer your question; _ALL_ antennas are much affected by their height above ground. T; /archives//html/Towertalk/1998-12/msg00484.html (9,068 bytes)
85. [TowerTalk] Vertical Dipoles (score: 1): Author: n7cl@mmsi.com (Eric Gustafson); Date: Wed, 30 Dec 1998 17:57:45 -0700 (MST); Hi Tom, To: <towertalk@contesting.com> We did not observe any telltale indications of an excessive feedline radiation problem with the one we used on 160 a few years back. And we were looking for thi; /archives//html/Towertalk/1998-12/msg00485.html (10,115 bytes)
86. [TowerTalk] Vertical Dipoles (score: 1): Author: n7cl@mmsi.com (Eric Gustafson); Date: Thu, 31 Dec 1998 17:01:48 -0700 (MST); To: <towertalk@contesting.com> We were looking explicitly for RF current flowing on the outside of the coax feedline shield. We were admittedly not using a hypersensitive method to quantify it. But i; /archives//html/Towertalk/1998-12/msg00507.html (17,539 bytes)
87. [TowerTalk] Vertical Dipoles (score: 1): Author: n7cl@mmsi.com (Eric Gustafson); Date: Thu, 31 Dec 1998 17:28:12 -0700 (MST); Hi Brian, It depends on what you call a benefit. For us there was a HUGE benefit in being able to locate a full sized halfwave vertical radiator at a particular point fairly high in the air and feed; /archives//html/Towertalk/1998-12/msg00510.html (9,172 bytes)
88. [TowerTalk] Re: pencil marks (was element vibration) (score: 1): Author: n7cl@mmsi.com (Eric Gustafson); Date: Thu, 31 Dec 1998 17:37:59 -0700 (MST); Hi Bill, There must be someting to it. I mentioned it to a colleague here at work who used to be an A&P mechanic for a local aircraft maintenance facility. He knew immediately what I was talking abou; /archives//html/Towertalk/1998-12/msg00511.html (10,855 bytes)
89. [TowerTalk] Ameritron Remote Controlled Switches (score: 1): Author: n7cl@mmsi.com (Eric Gustafson); Date: Mon, 9 Nov 1998 08:26:47 -0700; To: <towertalk@contesting.com> Because the size of the center pin in the N connector is not adequate for the currents involved with high power. The center pin contact area is even smaller yet. Any co; /archives//html/Towertalk/1998-11/msg00230.html (10,152 bytes)
90. [TowerTalk] Ground clamps on 25G (score: 1): Author: n7cl@mmsi.com (Eric Gustafson); Date: Sat, 21 Nov 1998 10:56:20 -0700; I've been thinking about this for a time now. This thread pushed me over the edge of being curious enough to actually do some research. So I took a peek at a galvanic series table of materials to see; /archives//html/Towertalk/1998-11/msg00616.html (11,489 bytes)
91. [TowerTalk] Sloper Question (score: 1): Author: n7cl@mmsi.com (Eric Gustafson); Date: Sun, 22 Nov 1998 10:36:38 -0700; Hi Tom, I have only a few comments to add. To: <towertalk@contesting.com> Snip... (K2FR's description of non-functional sloper) Then Tom replies: This is true given the way most amateurs approach the; /archives//html/Towertalk/1998-11/msg00630.html (13,942 bytes)
92. [TowerTalk] Ground clamps on 25G (score: 1): Author: n7cl@mmsi.com (Eric Gustafson); Date: Mon, 23 Nov 1998 14:01:50 -0700; To: <towertalk@contesting.com> No argument here. What happens to 'em is entirely dependent on the service environment. Of the catalogs cited, I'm aware of only one clamped connection (Burndy) that i; /archives//html/Towertalk/1998-11/msg00649.html (15,601 bytes)
93. [TowerTalk] Stacking question (score: 1): Author: n7cl@mmsi.com (Eric Gustafson); Date: Mon, 23 Nov 1998 14:08:12 -0700; Steve, I don't know how you'd do it mechanically. But, as long as we're speaking hypothetically, you could mount the antennas so that the spacing increased from front to back. Some of the wire zig-za; /archives//html/Towertalk/1998-11/msg00650.html (8,968 bytes)
94. [TowerTalk] Sloper Question (score: 1): Author: n7cl@mmsi.com (Eric Gustafson); Date: Mon, 23 Nov 1998 14:58:59 -0700; To: <towertalk@contesting.com> No. Just that the tower radiates and this is more important (and certainly more useful) than the radiation from the sloper. Unfortunately, we are talking in generalitie; /archives//html/Towertalk/1998-11/msg00651.html (12,990 bytes)
95. [TowerTalk] Sloper Question (score: 1): Author: n7cl@mmsi.com (Eric Gustafson); Date: Mon, 23 Nov 1998 17:49:28 -0700; Yup. Pretty much. 73, Eric N7CL To: <towertalk@contesting.com> -- FAQ on WWW: http://www.contesting.com/towertalkfaq.html Submissions: towertalk@contesting.com Administrative requests: towertalk-REQU; /archives//html/Towertalk/1998-11/msg00657.html (8,423 bytes)
96. [TowerTalk] Ground strap (score: 1): Author: n7cl@mmsi.com (Eric Gustafson); Date: Tue, 24 Nov 1998 11:01:48 -0700; Jim, I have had pretty good luck just going down to Checker or Autozone and getting the short battery ground jumper to use for this connection. These are large, flexible, insulated conductors that ar; /archives//html/Towertalk/1998-11/msg00666.html (9,020 bytes)
97. [TowerTalk] Stacking question (score: 1): Author: n7cl@mmsi.com (Eric Gustafson); Date: Wed, 25 Nov 1998 13:07:32 -0700; Hi Tom, I haven't investigated this yet. But I'll bet that the effect is very minimal given the H-Plane directivity (or lack of it) of what is essentially a short boom 3 element yagi. Do you have any; /archives//html/Towertalk/1998-11/msg00686.html (11,486 bytes)
98. [TowerTalk] Ground clamps on 25G (score: 1): Author: n7cl@mmsi.com (Eric Gustafson); Date: Wed, 25 Nov 1998 16:43:18 -0700; Hi Jim, Thanks for the reply. I am now dangerously close to learning something. This is a good thing and it is the reason I subscribe to the reflector. The important thing that I've learned from this; /archives//html/Towertalk/1998-11/msg00691.html (18,999 bytes)
99. [TowerTalk] corrosion at clamps (score: 1): Author: n7cl@mmsi.com (Eric Gustafson); Date: Sat, 3 Oct 1998 12:11:30 -0700; Bill, I'm sorry it took me this long to get some time to devote to your question. I didn't see any postings in response so I'll comment now anyhow. To: <towertalk@contesting.com> The power folks are; /archives//html/Towertalk/1998-10/msg00056.html (14,810 bytes)
100. [TowerTalk] Bentonite? (longish) (score: 1): Author: n7cl@mmsi.com (Eric Gustafson); Date: Wed, 7 Oct 1998 18:45:40 -0700; Yes indeed. Bentonite clay is very interesting stuff. But there is one caveat for using it as a grounding electrode backfill. It does swell when it is moistened. But it also contracts when it dries o; /archives//html/Towertalk/1998-10/msg00157.html (13,828 bytes)

Current List: 81 - 100
Page: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10]