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21. Re: [TenTec] 80 meter loops (score: 1): Author: "Paul" <gw7lhi@hotmail.com>; Date: Tue, 16 Mar 2004 21:28:18 -0000; Hi Pete et al.. I wasn't "getting at you" specifically..:-) Of course there's no single solution to suit every need, and antennas is one area that most ops can indulge in a little experimentation her; /archives//html/TenTec/2004-03/msg00484.html (12,111 bytes)
22. Re: [TenTec] 80 meter loops (score: 1): Author: ac5e@comcast.net; Date: Tue, 16 Mar 2004 21:44:29 +0000; Hi Paul: Personally, I feel anything that helps a Ten Tec owner belongs on the list. My loop, ex-loop rather, at first was fed with 450 ohm ladder line through a Johnson "Kilowatt Matchbox." Later I; /archives//html/TenTec/2004-03/msg00489.html (9,072 bytes)
23. Re: [TenTec] 80 meter loops (score: 1): Author: "Stuart Rohre" <rohre@arlut.utexas.edu>; Date: Tue, 16 Mar 2004 16:34:00 -0600; Bob, when you operate FD from the same location over a sun spot cycle you can reach some decisions about antennas, in spite of the variability of conditions. This is gleaned from long time observatio; /archives//html/TenTec/2004-03/msg00493.html (9,242 bytes)
24. Re: [TenTec] 80 meter loops (score: 1): Author: "Stuart Rohre" <rohre@arlut.utexas.edu>; Date: Tue, 16 Mar 2004 16:56:36 -0600; Hi Pete, well we operated on the West side of the IH 35 corridor, which means we were on the Balcones escarpment ( a north -south fault line uplift), in an old rock quarry. Solid rock under our 20m l; /archives//html/TenTec/2004-03/msg00494.html (10,488 bytes)
25. Re: [TenTec] 80 meter loops (score: 1): Author: "Stuart Rohre" <rohre@arlut.utexas.edu>; Date: Tue, 16 Mar 2004 17:12:07 -0600; How so Billy, I did not say you did not have to have a matching network for a non resonant antenna. Physics allows that. Look at the fundamental formula for signal amplitude in a good antenna text, l; /archives//html/TenTec/2004-03/msg00495.html (9,411 bytes)
26. Re: [TenTec] 80 meter loops (score: 1): Author: ac5e@comcast.net; Date: Tue, 16 Mar 2004 23:35:25 +0000; Well, Stuart, I originally bought the site of our last ten years FD's because it is very close to town and it's radio quiet. I drove around seemingly forever with a mobile rig looking for land and li; /archives//html/TenTec/2004-03/msg00497.html (9,580 bytes)
27. Re: [TenTec] 80 meter loops (score: 1): Author: "Stuart Rohre" <rohre@arlut.utexas.edu>; Date: Tue, 16 Mar 2004 17:41:18 -0600; Yes, earth conditions at a given antenna site and in the Fresnel reflection zone around it are key to results. Many hams forget to tell what kind of ground or look directions they have from a site wh; /archives//html/TenTec/2004-03/msg00498.html (8,365 bytes)
28. Re: [TenTec] 80 meter loops (score: 1): Author: "Carl Moreschi" <n4py@earthlink.net>; Date: Tue, 16 Mar 2004 23:47:07 -0000; And that is precisely why theoretical antenna modeling programs are not good predictors of specific antenna setups. It is impossible to perfectly reproduce the specific ground conditions at an antenn; /archives//html/TenTec/2004-03/msg00499.html (9,073 bytes)
29. Re: [TenTec] 80 meter loops (score: 1): Author: "holladayfd" <holladayfd@multipro.com>; Date: Tue, 16 Mar 2004 21:31:48 -0600; Bumblebees can't read theory books either! 73, Frank K4VMO -- Original Message -- From: "Paul DeWitte K9OT" <k9ot@mhtc.net> To: <tentec@contesting.com> Sent: Monday, March 15, 2004 7:24 PM Subject: [; /archives//html/TenTec/2004-03/msg00511.html (8,757 bytes)
30. RE: [TenTec] 80 meter loops (score: 1): Author: "Rick Westerman" <Rick@dj0ip.de>; Date: Wed, 17 Mar 2004 06:36:19 +0100; Paul, I have always built my horizontal loops as a square, one wavelength long for the lowest frequency to be used and fed it in one corner with 450-Ohm Ladderline openwire. I generally tried to have; /archives//html/TenTec/2004-03/msg00515.html (10,968 bytes)
31. Re: [TenTec] 80 meter loops (score: 1): Author: don daso <k4za@juno.com>; Date: Wed, 17 Mar 2004 07:01:00 -0500; wow...after all these years...something new! I admit this, "I usually matched the loops with a home-brew matchbox based on the "Annecke" design which is an improvement over the original Johnson Vikin; /archives//html/TenTec/2004-03/msg00523.html (8,631 bytes)
32. Re: [TenTec] 80 meter loops (score: 1): Author: Mike Manship <mjmanship@iquest.net>; Date: Wed, 17 Mar 2004 07:21:37 -0500; Quoting don daso <k4za@juno.com>: http://www.cebik.com/link/link.html 73 de Mike W9OJ _______________________________________________ TenTec mailing list TenTec@contesting.com http://lists.contesting; /archives//html/TenTec/2004-03/msg00524.html (8,494 bytes)
33. Re: [TenTec] 80 meter loops (score: 1): Author: "David Price" <wa4et@hotmail.com>; Date: Wed, 17 Mar 2004 13:14:22 +0000; I have been using delta loops for years. The make nice low cost antennas, especialy for Feild Day, and other portable ops. Although I have never made a 80 meter loop, I have made 40-2 meters, and the; /archives//html/TenTec/2004-03/msg00525.html (10,148 bytes)
34. Re: [TenTec] 80 meter loops (score: 1): Author: Ynkedragon@aol.com; Date: Wed, 17 Mar 2004 10:16:53 EST; I've done something different--feeding a vertical tri-angular loop (apex up) with ladder line about 4' above a bottom corner. Most definitely a DX antenna with interesting properties. In domestic con; /archives//html/TenTec/2004-03/msg00537.html (9,148 bytes)
35. Re: [TenTec] 80 meter loops (score: 1): Author: "Vern Kunes" <N2YZS@mantlelamp.com>; Date: Wed, 17 Mar 2004 12:05:00 -0500; You can find info on the Annewche on L.B. Cebik's site. Alot of great info there. -- Original Message -- From: "don daso" <k4za@juno.com> To: <Rick@dj0ip.de>; <tentec@contesting.com> Sent: Wednesday,; /archives//html/TenTec/2004-03/msg00550.html (9,710 bytes)
36. [TenTec] 80 meter loops (score: 1): Author: Ron Feutz <feutz@wctc.net>; Date: Wed, 17 Mar 2004 12:21:10 -0600; TT'ers, My own experience is with a single vertical 40 M loop fed 1/4 wave down from the apex and built over the radial field of my 160M 4-square which was built on a swamp. Pretty near ideal conditi; /archives//html/TenTec/2004-03/msg00556.html (8,955 bytes)
37. Re: [TenTec] 80 meter loops (score: 1): Author: "Stuart Rohre" <rohre@arlut.utexas.edu>; Date: Wed, 17 Mar 2004 15:25:25 -0600; A great web site for comparing antennas is L. B. Cebik's (W4RNL) www.cebik.com -Stuart K5KVH _______________________________________________ TenTec mailing list TenTec@contesting.com http://lists.con; /archives//html/TenTec/2004-03/msg00564.html (8,184 bytes)
38. Re: [TenTec] 80 meter loops (score: 1): Author: "Paul" <gw7lhi@hotmail.com>; Date: Wed, 17 Mar 2004 22:56:54 -0000; Thanks for the info Rick. When I have installed my tower, I might just put a vertical loop up to compare with the horizontal. I need the tower as a support, otherwise I would already have one up. My; /archives//html/TenTec/2004-03/msg00569.html (10,299 bytes)
39. Re: [TenTec] 80 meter loops (score: 1): Author: "Stuart Rohre" <rohre@arlut.utexas.edu>; Date: Wed, 17 Mar 2004 18:35:33 -0600; Paul, I think there is a web site with a homemade double pi net tuner pictures and circuit. The one I have seen wound two coils of no. 12 copper enamel wire upon PVC white plumbing pipes of a reasona; /archives//html/TenTec/2004-03/msg00572.html (9,520 bytes)
40. Re: [TenTec] 80 meter loops (score: 1): Author: "Billy Cox" <aa4nu@ix.netcom.com>; Date: Wed, 17 Mar 2004 20:33:26 -0600; Your statement was capture area ... so why doesn't the 20m dipole work twice as well on 10m? <even if matched?> There's reasons why I don't use my 80m 4x array on 40m, despite it having more 'captur; /archives//html/TenTec/2004-03/msg00576.html (10,625 bytes)

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