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101. [TowerTalk] Bentonite? (longish) (score: 1): Author: n7cl@mmsi.com (Eric Gustafson); Date: Thu, 8 Oct 1998 08:24:45 -0700; Jim, Thanks! I should have thought of Erico since we use quite a lot of their exothermic welding materials here at work. I had never looked at their non-welding related products. I'll be calling them; /archives//html/Towertalk/1998-10/msg00176.html (8,852 bytes)
102. [TowerTalk] Re: Concrete an insulator??? (score: 1): Author: n7cl@mmsi.com (Eric Gustafson); Date: Wed, 14 Oct 1998 08:50:23 -0700 (MST); Hi Ed, Your post raises a number of questions for me. There isn't enough information to make sense of your findings. So that we can interperet your results, can you answer the following questions for; /archives//html/Towertalk/1998-10/msg00413.html (9,512 bytes)
103. [TowerTalk] Driving Ground Rods (score: 1): Author: n7cl@mmsi.com (Eric Gustafson); Date: Wed, 14 Oct 1998 12:00:02 -0700; Mike, There are several methods to use depending on the nature of the earth you are driving them into. Soft humus or reasonably soft homogeneous clay, by all means use a hammer or T-post driver. If y; /archives//html/Towertalk/1998-10/msg00422.html (9,265 bytes)
104. [TowerTalk] Driving Ground Rods (score: 1): Author: n7cl@mmsi.com (Eric Gustafson); Date: Wed, 14 Oct 1998 18:44:12 -0700; Hi Mike(s), 'Round these parts, the proper name for that device is "T-post Driver". Its the thing that makes barbed wire fencing feasible in a lot of cases. I'm sorry. In my earlier post I sort of as; /archives//html/Towertalk/1998-10/msg00441.html (9,728 bytes)
105. [TowerTalk] 160meter half sloper (score: 1): Author: n7cl@mmsi.com (Eric Gustafson); Date: Fri, 16 Oct 1998 10:58:07 -0700; To: <towertalk@contesting.com> If the sloper is attached to the correct point on the tower, very little radiation takes place from the sloper wire itself. So inductive loading to shorten this wire is; /archives//html/Towertalk/1998-10/msg00507.html (11,572 bytes)
106. [TowerTalk] Re: Extended Double Zepp Problem (score: 1): Author: n7cl@mmsi.com (Eric Gustafson); Date: Fri, 16 Oct 1998 11:28:56 -0700; Tom, Why not leave it the way it is and feed it with a tuner? 73, Eric N7CL To: <towertalk@contesting.com> -- FAQ on WWW: http://www.contesting.com/towertalkfaq.html Submissions: towertalk@contesting; /archives//html/Towertalk/1998-10/msg00508.html (8,658 bytes)
107. [TowerTalk] 160meter half sloper (score: 1): Author: n7cl@mmsi.com (Eric Gustafson); Date: Sat, 17 Oct 1998 09:03:37 -0700; Hi Tom, Please note that I said that "unless the inductor is quite lossy". The point being that shortening the sloper wire absent the introduction of excessive loss in the loading element will not mu; /archives//html/Towertalk/1998-10/msg00537.html (9,553 bytes)
108. [TowerTalk] Ground Rods (score: 1): Author: n7cl@mmsi.com (Eric Gustafson); Date: Sat, 17 Oct 1998 10:12:06 -0700; Dan, What part of Arizona are you in? I'm in the Rincon Creek valley on the far east side of Tucson. I just last week finished installing 10 ground rods at my property. Actually, we didn't use rods a; /archives//html/Towertalk/1998-10/msg00540.html (9,945 bytes)
109. [TowerTalk] Loose Rotator Bolts (score: 1): Author: n7cl@mmsi.com (Eric Gustafson); Date: Sun, 18 Oct 1998 10:39:07 -0700; Matt, Although now that the holes are greased, it is probably too late for this, you may have been much better off with "Service Removable" (usually blue) Loctite instead of the grease on the threads; /archives//html/Towertalk/1998-10/msg00584.html (8,687 bytes)
110. [TowerTalk] Short-Snort (score: 1): Author: n7cl@mmsi.com (Eric Gustafson); Date: Sun, 18 Oct 1998 11:00:32 -0700; To: <towertalk@contesting.com> Not being a frequent amplifier user, I can't say I've experienced this problem. But I _am_ a bit bewildered to hear that the amp and transciever makers have apparently; /archives//html/Towertalk/1998-10/msg00587.html (9,536 bytes)
111. [TowerTalk] Ground Rods (score: 1): Author: n7cl@mmsi.com (Eric Gustafson); Date: Sun, 18 Oct 1998 13:03:42 -0700; To: <towertalk@contesting.com> Snip... for brevity True. Particularly for the purpose of dumping large amounts of charge into the earth in a short time without developing a damaging potential gradien; /archives//html/Towertalk/1998-10/msg00589.html (10,071 bytes)
112. [TowerTalk] A Question of GAIN (score: 1): Author: n7cl@mmsi.com (Eric Gustafson); Date: Mon, 19 Oct 1998 08:08:51 -0700; Josh, I think it would go more like: 4.6 (for array element) + 3 (for the next one) + 3 (for the next two) - (losses in harness and connectors) So I wouldn't expect more than 10 dBd net. And then onl; /archives//html/Towertalk/1998-10/msg00645.html (8,943 bytes)
113. [TowerTalk] Conductivity Measurements (score: 1): Author: n7cl@mmsi.com (Eric Gustafson); Date: Mon, 19 Oct 1998 09:30:35 -0700; Hi Ed, Thanks very much for replying to my questions. Your answers cleared up all my confusion. The method you are using is so different from the method we normally use that the great variance betwee; /archives//html/Towertalk/1998-10/msg00650.html (14,546 bytes)
114. [TowerTalk] A Question of GAIN (score: 1): Author: n7cl@mmsi.com (Eric Gustafson); Date: Mon, 19 Oct 1998 09:38:34 -0700; Hi Guy, I'm sure that it would indeed be less than 10 dBd. I was just trying to put a number on it that it could never possibly exceed no matter what that was 3 dB below his expectations. I have no w; /archives//html/Towertalk/1998-10/msg00651.html (11,562 bytes)
115. [n7cl@toontown.mmsi.com: Re: [TowerTalk] A Question of GAIN] (score: 1): Author: n7cl@mmsi.com (Eric Gustafson); Date: Mon, 19 Oct 1998 14:20:57 -0700 (MST); Hi Tom, To: <towertalk@contesting.com> Snip... (long section of cannonically correct discussion of antenna gain) Diversity available by switching is exactly what I had in mind. I should not have used; /archives//html/Towertalk/1998-10/msg00663.html (11,164 bytes)
116. [TowerTalk] First tower questions (score: 1): Author: n7cl@mmsi.com (Eric Gustafson); Date: Mon, 19 Oct 1998 18:14:27 -0700 (MST); To: <towertalk@contesting.com> -- FAQ on WWW: http://www.contesting.com/towertalkfaq.html Submissions: towertalk@contesting.com Administrative requests: towertalk-REQUEST@contesting.com Problems: own; /archives//html/Towertalk/1998-10/msg00672.html (9,983 bytes)
117. [TowerTalk] First tower questions (score: 1): Author: n7cl@mmsi.com (Eric Gustafson); Date: Mon, 19 Oct 1998 18:15:40 -0700 (MST); Sorry, sent that last reply by trying NOT to respond after thinking about it a while... 73, Eric n7CL -- FAQ on WWW: http://www.contesting.com/towertalkfaq.html Submissions: towertalk@contesting.com; /archives//html/Towertalk/1998-10/msg00673.html (7,288 bytes)
118. [TowerTalk] Open Wire Line (score: 1): Author: n7cl@mmsi.com (Eric Gustafson); Date: Sat, 24 Oct 1998 13:42:48 -0700; Mike, We frequently use this crude but relatively effective method to identify dielectric material that is potentially suitable for RF work. But we never use any water along with the sample. Why are; /archives//html/Towertalk/1998-10/msg00859.html (9,608 bytes)
119. [TowerTalk] Open Wire Line (score: 1): Author: n7cl@mmsi.com (Eric Gustafson); Date: Sun, 25 Oct 1998 09:32:33 -0700; Hi Mike, Around here, we build a few very specialized products for the benefit of a really amazing group of people normally referred to in industry as "users". Our "users" are relatively unique in th; /archives//html/Towertalk/1998-10/msg00870.html (11,459 bytes)
120. [TowerTalk] Open Wire Line (score: 1): Author: n7cl@mmsi.com (Eric Gustafson); Date: Mon, 26 Oct 1998 14:03:20 -0700; Mike and I had a little discussion off reflector about the spreaders for open line. I think this portion of it may be useful enough that the reflector should be exposed to it. It is a bit long and it; /archives//html/Towertalk/1998-10/msg00890.html (13,520 bytes)

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