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21. Re: [Amps] 10dB and propagation (score: 1): Author: R.Measures <r@somis.org>; Date: Mon, 7 Feb 2005 09:28:01 -0800; On Feb 7, 2005, at 7:23 AM, K3BU@aol.com wrote: A non-linear medium would have to mean that your signal was directly affecting the ionization density or the refractive index of the troposphere. As I; /archives//html/Amps/2005-02/msg00231.html (9,407 bytes)
22. [Amps] 10dB and propagation (score: 1): Author: "David G4FTC" <g4ftc@hotmail.com>; Date: Mon, 07 Feb 2005 17:29:29 +0000; I don't believe there is ANY transmitter on earth (amateur or pro) that could influence the ionosphere by causing a non-linear behavior in that. No one seems to have mentioned the Luxembourg Effect.; /archives//html/Amps/2005-02/msg00232.html (9,684 bytes)
23. Re: [Amps] 10dB and propagation (score: 1): Author: Dan K9ZF <n9rla@yahoo.com>; Date: Mon, 07 Feb 2005 13:03:43 -0500; Maybe multible signal paths mixing in phase? EME? 73 Dan -- K9ZF /R no budget Rover **QRP-l #1269 Check out the Rover Resource Page at: <http://www.qsl.net/n9rla> List Administrator for: InHam+grid-l; /archives//html/Amps/2005-02/msg00234.html (9,264 bytes)
24. [Amps] 10dB and propagation (score: 1): Author: "David G4FTC" <g4ftc@hotmail.com>; Date: Mon, 07 Feb 2005 18:45:59 +0000; W2DTC wrote: Did you ever notice that when the Navy or Air Force wants to buy a new ship or airplane, that there are congressional meetings and many hurdles to overcome to get the funding? Does it th; /archives//html/Amps/2005-02/msg00237.html (8,915 bytes)
25. Re: [Amps] 10dB and propagation (score: 1): Author: "kenw2dtc" <kenw2dtc@comcast.net>; Date: Mon, 7 Feb 2005 14:14:30 -0500; G4FTC worte: "HAARP was orginally conceived to generate ELF signals - if I recall correctly for communications with submarines while submerged." "and it only requires a relatively small amount of pow; /archives//html/Amps/2005-02/msg00239.html (9,980 bytes)
26. Re: [Amps] 10dB and propagation (score: 1): Author: Bill Fuqua <wlfuqu00@uky.edu>; Date: Mon, 07 Feb 2005 14:18:50 -0500; In the late sixties and early seventies an EE professor of mine was doing research into plasma physics studying the effects of ionization on radio propagation. The study had to do with studying the n; /archives//html/Amps/2005-02/msg00240.html (11,434 bytes)
27. Re: [Amps] 10dB and propagation (score: 1): Author: Japerlick@aol.com; Date: Mon, 7 Feb 2005 14:55:14 EST; All very interesting, Bill, because I worked on some plasma projects as a student aide while an EE student during the 70's also. Plasmas exhibit very strong effects on RF signals, including attenuati; /archives//html/Amps/2005-02/msg00245.html (7,987 bytes)
28. Re: [Amps] 10dB and propagation (score: 1): Author: "David G4FTC" <g4ftc@hotmail.com>; Date: Mon, 07 Feb 2005 20:14:08 +0000; Hi Ken G4FTC worte: "HAARP was orginally conceived to generate ELF signals - if I recall correctly for communications with submarines while submerged." "and it only requires a relatively small amount; /archives//html/Amps/2005-02/msg00249.html (10,084 bytes)
29. Re: [Amps] 10dB and propagation (score: 1): Author: Bill Fuqua <wlfuqu00@uky.edu>; Date: Mon, 07 Feb 2005 15:38:15 -0500; Well, I don't drink, and I only submitted one bit of information. Never, expected or saw any amplification. Just lots of frequency mixing and intermodulation and signal scrambling. The HAARP could ju; /archives//html/Amps/2005-02/msg00253.html (9,705 bytes)
30. RE: [Amps] 10dB and propagation (score: 1): Author: "Jeremy Alexander" <oaxaca@oregoncoast.com>; Date: Mon, 7 Feb 2005 13:03:47 -0800; Aloha to all: I joined this list yesterday in order to ask a question. My questions have been answered and I thank all that responded! Before I leave, I simply must ask about the statement below, tha; /archives//html/Amps/2005-02/msg00254.html (12,811 bytes)
31. [Amps] 10dB and propagation (score: 1): Author: "Harold B. Mandel" <ka1xo@juno.com>; Date: Mon, 7 Feb 2005 17:15:12 -0500; Sirs, Entropy might be a poor choice of words in this situation, but it is a collateral consideration alongside "Conservation of Energy." While one learned commenter says that the ionosphere is "cond; /archives//html/Amps/2005-02/msg00258.html (8,598 bytes)
32. Re: [Amps] 10dB and propagation (score: 1): Author: "Michael Tope" <W4EF@dellroy.com>; Date: Mon, 7 Feb 2005 14:41:36 -0800; man-made That is quite correct, but it is precisely the energy in the X-ray/UV regime that effects the ionosphere, so I don't think it's so imprecise to include the energy in the upper wavelengths wh; /archives//html/Amps/2005-02/msg00260.html (11,930 bytes)
33. Re: [Amps] 10dB and propagation (score: 1): Author: W0UN -- John Brosnahan <shr@swtexas.net>; Date: Mon, 07 Feb 2005 16:43:02 -0600; The HAARP could just be a research tool. But like "AREA 51" it has attracted lots of attention and possibly needlessly. "Needlessly" is the operative word here. I get amused about all of the talk and; /archives//html/Amps/2005-02/msg00261.html (10,699 bytes)
34. Re: [Amps] 10dB and propagation (score: 1): Author: G3rzp@aol.com; Date: Mon, 7 Feb 2005 17:56:41 EST; I used a HP-355 step attenuator set, so S-meter calibration was out of the equation. But how stable was the propagation medium (what measurements to prove it?), and was a steady carrier used for meas; /archives//html/Amps/2005-02/msg00264.html (7,971 bytes)
35. Re: [Amps] 10dB and propagation (score: 1): Author: David Kirkby <david.kirkby@onetel.net>; Date: Mon, 07 Feb 2005 23:32:02 +0000; K3BU@aol.com wrote: In a message dated 2/6/2005 11:12:46 AM Eastern Standard Time, david.kirkby@onetel.net writes: Yet refraction of radio waves was understood well before 1980 when you wrote that. A; /archives//html/Amps/2005-02/msg00265.html (13,676 bytes)
36. Re: [Amps] 10dB and propagation (score: 1): Author: gdaught6@stanford.edu; Date: Mon, 07 Feb 2005 15:52:39 -0800; On 7 Feb 2005 at 23:32, David Kirkby wrote: (paraphrasing another) What? I guess we'd better trash our Yagis and quads and dishes, eh? 73, George T. Daughters, K6GT __________________________________; /archives//html/Amps/2005-02/msg00268.html (9,140 bytes)
37. Re: [Amps] 10dB and propagation (score: 1): Author: R.Measures <r@somis.org>; Date: Mon, 7 Feb 2005 17:26:29 -0800; On Feb 7, 2005, at 4:48 PM, <sccook1@cox.net> wrote: I recall seeing more dB than expected on may occasions. Rich may recall one Saturday morning where the probigation between southwest Arizona and S; /archives//html/Amps/2005-02/msg00274.html (11,226 bytes)
38. Re: [Amps] 10dB and propagation (score: 1): Author: R.Measures <r@somis.org>; Date: Mon, 7 Feb 2005 17:36:34 -0800; On Feb 7, 2005, at 9:01 AM, Colin Lamb wrote: Is the HAARP station available for contests? chortle Colin, K7FM --Original Message-- From: Michael Tope <W4EF@dellroy.com> Sent: Feb 7, 2005 8:50 AM To:; /archives//html/Amps/2005-02/msg00275.html (13,279 bytes)
39. Re: [Amps] 10dB and propagation (score: 1): Author: K3BU@aol.com; Date: Mon, 7 Feb 2005 20:53:19 EST; contributing to the heat-death of the universe?<< Shhh, don't let envirowackos know about this, they would add it to "global warming" and destruction from SUVs, and we will be sentenced to miliwatts.; /archives//html/Amps/2005-02/msg00277.html (8,360 bytes)
40. Re: [Amps] 10dB and propagation (score: 1): Author: K3BU@aol.com; Date: Mon, 7 Feb 2005 21:13:50 EST; Thank you for your diagnosis Doctor :-) The title and "innovative" etc. stuff was inserted by the editors of CQ, I saw it after the issue came out. I tried to use fiber optic analogy to illustrate th; /archives//html/Amps/2005-02/msg00278.html (8,780 bytes)

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