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121. SV: SV: [AMPS] Re: SB220 problem (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Wed, 10 Nov 1999 15:58:20 -0500; My candidate for best single bandswitch mod on the SB-220 is replacing the knob with one that is different from the Tune and Load knobs. The stock arrangement looks nice but is an invitation to 3AM d; /archives//html/Amps/1999-11/msg00265.html (8,535 bytes)
122. SV: SV: [AMPS] Re: SB220 problem (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Thu, 11 Nov 1999 15:45:36 +0000; Before or after you've arced the contacts? I know what my answer is at 3AM... 73, Pete Smith N4ZR n4zr@contesting.com Sometimes a tower is just a tower -- FAQ on WWW: http://www.contesting.com/ampsfa; /archives//html/Amps/1999-11/msg00286.html (8,326 bytes)
123. [AMPS] 2 tone intermod test (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Wed, 24 Nov 1999 09:03:36 -0500; since ALC indication is relative,not absolute, what works on a TS-440 may not work on other radios. For example, I find my TS-930 is very clean up to an indicated ALC level of +15 db (whatever that m; /archives//html/Amps/1999-11/msg00460.html (10,020 bytes)
124. [AMPS] SWR and line length, etc. (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Mon, 04 Oct 1999 01:53:25 +0100; At the risk of fanning the flames again, I think the original question was whether a change in line length could cause the apparent resonant frequency of an antenna to change. My 20M antenna has a fe; /archives//html/Amps/1999-10/msg00074.html (8,576 bytes)
125. [AMPS] SWR and line length, etc. (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Mon, 04 Oct 1999 11:21:55 +0100; Except that we're accustomed to thinking of the minimum SWR point as representing resonance, when we sweep across a band to determine where an antenna's resonant frequency is. 73, Pete Smith N4ZR n4z; /archives//html/Amps/1999-10/msg00091.html (8,563 bytes)
126. [AMPS] Enough of The Worldwide, No Holds Barred, SWR Quiz. (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Tue, 05 Oct 1999 01:16:36 +0100; My compliments, Bob, for adding some substance on this topic after 2 days of non-stop sniping back and forth among 3 or maybe 4 individuals. Guys, nobody else cares about this tit-for-tat stuff. Enou; /archives//html/Amps/1999-10/msg00167.html (11,526 bytes)
127. [AMPS] WWQuiz - anyone go to work today ?. (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Tue, 05 Oct 1999 10:52:03 +0100; And Jon, I gotta say that I can't agree with the defense of your dialogue with Rich. He was particularly guilty of scoring debating points without real substance, but after a while the format of the; /archives//html/Amps/1999-10/msg00184.html (7,913 bytes)
128. [AMPS] The Best Value or Best AMP! (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Wed, 06 Oct 1999 10:19:27 -0400; Yeah, and I sure do like the looks of the enameled exhaust manifolds on that V12 Ferrari, but I'm a little turned off by the $250,000 price tag. Someone who is willing to consider an 87A should proba; /archives//html/Amps/1999-10/msg00224.html (9,068 bytes)
129. [AMPS] The Best Value or Best AMP! (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Wed, 06 Oct 1999 11:19:56 -0400; None of the above -- it uses 2X Svetlana 4CX800s, grid-driven -- see www.hfpower.com for more details. In my references to sturdier grids and instant-on, I was alluding to the AL-1200, not the ACOM.; /archives//html/Amps/1999-10/msg00228.html (8,851 bytes)
130. [AMPS] Contest station descriptions Was: [TowerTalk] C3 vs tennadyne (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Wed, 06 Oct 1999 15:48:05 -0400; Several years ago, Scott Tuthill, K7ZO, compiled a database of US/Canadian and DX contest stations, by hand-collecting information from the 3830 contest score reflector. The database contains a wealt; /archives//html/Amps/1999-10/msg00237.html (9,364 bytes)
131. [AMPS] The things you see Homebrew Amplifiers (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Fri, 08 Oct 1999 11:31:54 +0100; I can't speak for real RF power tubes, but I melted a 6KD6 sweep tube in my old Yaesu FTDX-560 that way. Clear evidence of melted glass, followed by an implosion, leaving a window in the envelope. 73; /archives//html/Amps/1999-10/msg00288.html (8,844 bytes)
132. [AMPS] Ground rods? (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Fri, 08 Oct 1999 11:54:18 +0100; Nope to both. "The effect of ground reflection on antenna performance is dramatic. The ground immediately beneath the antenna affects the antenna resonant frequency and efficiency. More significantly; /archives//html/Amps/1999-10/msg00289.html (9,568 bytes)
133. [AMPS] Contest Station Database Ready for Testing (I hope) (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Fri, 08 Oct 1999 17:45:04 +0100; I got lucky, freed up a little time yesterday, and got a rough-and-ready prototype running on my personal machine at work. For the moment, the database includes only US and Canadian stations, but it; /archives//html/Amps/1999-10/msg00305.html (7,280 bytes)
134. [AMPS] Ground rods? (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Fri, 08 Oct 1999 21:20:45 +0100; My understanding, based on Leeson and uncontradicted by other sources (so far), is that the nature of the soil below the discontinuity is essentially irrelevant, at HF. 73, Pete Smith N4ZR n4zr@conte; /archives//html/Amps/1999-10/msg00315.html (8,419 bytes)
135. [AMPS] Contest Station Database - New Developments (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Tue, 12 Oct 1999 11:30:03 -0400; Thanks for all the inputs, additions, corrections, etc. I have gotten through about 30K so far, with another 13K to go, so if your changes haven't shown up yet they will shortly. For DX stations (non; /archives//html/Amps/1999-10/msg00405.html (7,351 bytes)
136. [AMPS] You gotta read this.... (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Thu, 14 Oct 1999 08:37:40 -0400; Can we hope that the FCC will drop by a few of these competitions? After all, enough ham-gear exhibitors got zinged at Dayton -- maybe if a few of these guys had their 7-alternator, nitrous-burning t; /archives//html/Amps/1999-10/msg00444.html (9,895 bytes)
137. [AMPS] CB Superpower (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Thu, 14 Oct 1999 11:58:19 -0400; I just spent a little time cruising the "bigradios" web site. Fascinating! They clearly *are* worried about drawing FCC enforcement attention. Like cockfights in this part of the country, they tend t; /archives//html/Amps/1999-10/msg00451.html (7,995 bytes)
138. [AMPS] Contest station database update (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Thu, 14 Oct 1999 14:49:44 -0400; I've finally caught up with the input to the database, so if you want to go check again, any changes you have forwarded should be reflected there. Please feel free to correct any errors you find, bec; /archives//html/Amps/1999-10/msg00459.html (7,896 bytes)
139. R: [AMPS] You gotta read this.... (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Thu, 14 Oct 1999 15:54:02 -0400; Mauri, I think where you went "astray" was in supposing that they were actually trying to use these devices for communication. These amplifiers and their ratings have about as much in common with com; /archives//html/Amps/1999-10/msg00464.html (9,169 bytes)
140. [AMPS] FS: Jennings RJ1A & Kilovac HC-1 QSK Vacuum Relays$38 (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Sun, 17 Oct 1999 02:59:46 +0100; -- Allen Bond, President of Max-Gain Systems (www.mgs4u.com) has both RJ1As and HC-1s, plus a variety of other vacuum relays, vacuum caps and tubes at very attractive prices -- a little better than t; /archives//html/Amps/1999-10/msg00524.html (8,527 bytes)

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