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Total 72 documents matching your query.

21. TopBand: Elevated GP vs. Vertical Antennas (score: 1)
Author: n7cl@mmsi.com (Eric Gustafson Courtesy Account)
Date: Wed, 18 Mar 1998 18:53:18 -0700
To: <topband@contesting.com> Probably a good idea. Bill has been very tolerant of me so far on this subject. Thanks Bill. Snip... Snip... (array description for brevity) I'm assuming there are two v
/archives//html/Topband/1998-03/msg00286.html (17,058 bytes)

22. TopBand: Elevation Angle vs. Conductivity (score: 1)
Author: n7cl@mmsi.com (Eric Gustafson Courtesy Account)
Date: Thu, 19 Mar 1998 09:08:28 -0700
To: <topband@contesting.com> Snip (chart showing improving efeciency with improving ground) EXACTLY! This is exactly what I have been trying to get across. Efficiency is efficiency. Power not lost to
/archives//html/Topband/1998-03/msg00296.html (7,769 bytes)

23. TopBand: Elevated GP vs. Vertical Antennas (score: 1)
Author: n7cl@mmsi.com (Eric Gustafson Courtesy Account)
Date: Thu, 19 Mar 1998 09:53:56 -0700
To: <topband@contesting.com> Snip... I was wrong. the TOA is only going to come down into the 10 to 15 degree area (over 5 mS, e=13 ground) with 630 #12 3 wavelength long radials which are laying on
/archives//html/Topband/1998-03/msg00300.html (9,571 bytes)

24. TopBand: Elevated Radials (score: 1)
Author: n7cl@mmsi.com (Eric Gustafson Courtesy Account)
Date: Thu, 19 Mar 1998 10:23:14 -0700
To: <topband@contesting.com> Snip... In a lot of cases they can be. Just as other modeling based on previous versions of the NEC code can be. In this specific case of correctly accounting for all of
/archives//html/Topband/1998-03/msg00302.html (10,540 bytes)

25. TopBand: Elevated Radials (score: 1)
Author: n7cl@mmsi.com (Eric Gustafson Courtesy Account)
Date: Thu, 19 Mar 1998 17:16:36 -0700
To: <topband@contesting.com> To: <topband@contesting.com> I had just read posts to this reflector stating the following (from two different posts, I believe): 1. EZNEC had a patch that made it simil
/archives//html/Topband/1998-03/msg00317.html (14,532 bytes)

26. TopBand: Elevated GP vs. Vertical Antennas (score: 1)
Author: n7cl@mmsi.com (Eric Gustafson Courtesy Account)
Date: Sat, 21 Mar 1998 13:21:30 -0700
To: <topband@contesting.com> Snip... W7DD (ex KV7S not N7DD) here in town is using the comtek box to drive an 80 meter 4-square of 4 wire dipoles hung from a central tower support. Seems to work qui
/archives//html/Topband/1998-03/msg00373.html (19,666 bytes)

27. TopBand: Re: Elevated GP vs. Vertical Antennas (score: 1)
Author: n7cl@mmsi.com (Eric Gustafson Courtesy Account)
Date: Mon, 23 Mar 1998 10:09:07 -0700
To: <topband@contesting.com> No. I don't think he'll gain that much from going from 6 to 12 radials. I think he _might_ gain that much going from 4 to 60 or so. 73, Eric N7CL PS. (to Bill) Sorry abo
/archives//html/Topband/1998-03/msg00426.html (8,149 bytes)

28. TopBand: Elevated Radials (score: 1)
Author: n7cl@mmsi.com (Eric Gustafson Courtesy Account)
Date: Mon, 23 Mar 1998 10:51:55 -0700
To: <topband@contesting.com> Everything works better over perfect ground. Strategies which are designed to overcome losses caused by nearfield interactions with imperfect ground are unnecessary when
/archives//html/Topband/1998-03/msg00430.html (11,493 bytes)

29. TopBand: Elevated GP vs. Vertical Antennas (score: 1)
Author: n7cl@mmsi.com (Eric Gustafson Courtesy Account)
Date: Mon, 23 Mar 1998 11:39:01 -0700
To: <topband@contesting.com> Snip... I think I misread your post describing your system. I just couldn't get it working as I modeled it. I'll adjust the model and do it again. From your post, I thou
/archives//html/Topband/1998-03/msg00431.html (11,847 bytes)

30. TopBand: Remote signal source (score: 1)
Author: n7cl@mmsi.com (Eric Gustafson Courtesy Account)
Date: Mon, 23 Mar 1998 13:23:14 -0700
To: <topband@contesting.com> performance. If aimed directly at the antenna under test, it should be OK. Yes. If it is aligned exactly with the antenna under test, it will be coupled in the vertical
/archives//html/Topband/1998-03/msg00434.html (10,004 bytes)

31. TopBand: Elevated Radials (score: 1)
Author: n7cl@mmsi.com (Eric Gustafson Courtesy Account)
Date: Mon, 23 Mar 1998 14:19:21 -0700
To: <topband@contesting.com> Well, yes it is. We (other than you) have been discussing ground mounted 1/4 wave tall vertical antennas either with elevated or with ground mounted radial systems of var
/archives//html/Topband/1998-03/msg00435.html (12,247 bytes)

32. TopBand: Elevated Radials (score: 1)
Author: n7cl@mmsi.com (Eric Gustafson Courtesy Account)
Date: Mon, 23 Mar 1998 18:11:20 -0700
To: <topband@contesting.com> I wasn't aware that I was arguing with anyone. And, just for the record, that 'we' wasn't intended to be royal in nature or to take ownership of anything other than the o
/archives//html/Topband/1998-03/msg00440.html (10,663 bytes)

33. TopBand: El Nino (score: 1)
Author: n7cl@mmsi.com (Eric Gustafson Courtesy Account)
Date: Sat, 28 Mar 1998 10:53:39 -0700
To: <topband@contesting.com> This agrees well with some EWE antenna modeling I have been doing. The EWE, unlike the beverage, does _NOT_ like to be operated over poor ground. The EWE works best over
/archives//html/Topband/1998-03/msg00505.html (8,596 bytes)

34. TopBand: soil conductivity (score: 1)
Author: n7cl@mmsi.com (Eric Gustafson Courtesy Account)
Date: Sat, 28 Mar 1998 11:46:56 -0700
To: <topband@contesting.com> Yeah, I get a chuckle when I hear the locals grousing about how poor the dry desert ground is for RF. I'm quite happy with this earth compared to my 3 milliSiemens north
/archives//html/Topband/1998-03/msg00506.html (9,607 bytes)

35. TopBand: EWEs (score: 1)
Author: n7cl@mmsi.com (Eric Gustafson Courtesy Account)
Date: Tue, 31 Mar 1998 09:46:07 -0700
Gary and I have been having a little discussion off line. He thinks I should post it to the reflector. So here it is. Eric -- Start of forwarded message -- Great info, Eric--I think you should share
/archives//html/Topband/1998-03/msg00527.html (11,730 bytes)

36. TopBand: Magnet wire enamel coating solvent (score: 1)
Author: n7cl@mmsi.com (Eric Gustafson Courtesy Account)
Date: Wed, 11 Feb 1998 08:40:19 -0700
To: <topband@contesting.com> Yes, scraping formvar off small wire is a less than rewarding job. Back in one of my previous lives as a slot car enthusiast, I developed a relatively acceptable way to
/archives//html/Topband/1998-02/msg00122.html (8,589 bytes)

37. TopBand: "HTM"-Re-format Possible? (score: 1)
Author: n7cl@mmsi.com (Eric Gustafson)
Date: Fri, 2 Jan 1998 13:43:51 -0700
To: <topband@contesting.com> George, You can open the file with Netscape (and probably the Microsoft browser too) and either print it out in its formatted form from the browser or you can save the fi
/archives//html/Topband/1998-01/msg00026.html (7,686 bytes)

38. TopBand: Magnetic loops (score: 1)
Author: n7cl@mmsi.com (Eric Gustafson)
Date: Tue, 2 Dec 1997 17:10:46 -0700
To: <topband@contesting.com> Tom, Please define what you mean by "magnetic loop" so we know if we can help you. There have been several very different loop antenna configurations referred to as "magn
/archives//html/Topband/1997-12/msg00048.html (7,270 bytes)

39. TopBand: Shunt matching tower for 160M (score: 1)
Author: n7cl@mmsi.com (Eric Gustafson)
Date: Tue, 2 Dec 1997 18:21:11 -0700
To: <topband@contesting.com> Don't discount the top loading. Check the tower resonant frequency before beginning. Steve, Here is a way to drive that tower that may be more appropriate than shunt feed
/archives//html/Topband/1997-12/msg00049.html (13,130 bytes)

40. TopBand: Shunt matching tower for 160M (score: 1)
Author: n7cl@mmsi.com (Eric Gustafson)
Date: Wed, 3 Dec 1997 16:03:27 -0700
Topbanders, I have received a few responses that reveal that I wasn't as clear as I should have been with my description for an alternative method to shunt feeding (gamma or omega) a tower for use as
/archives//html/Topband/1997-12/msg00069.html (10,385 bytes)

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