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161. [AMPS] "the old days" (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Tue, 13 Apr 1999 14:05:20 -0400; This may have suffered in being filtered through 45 years of memory, but a high-school friend had a BC-610 RF deck which, if I remember correctly, had cone-shaped ceramic feed-through insulators on t; /archives//html/Amps/1999-04/msg00281.html (8,305 bytes)
162. [AMPS] Amp opinion/infomation requested ASAP!! (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Mon, 29 Mar 1999 02:20:58 +0100; For whatever it's worth, my SB-220 will match an indicated SWR of well over 3:1 on 80 meters (running my 80-CW array on 75 phone) with normal grid current. In other words, as long as the plate loadin; /archives//html/Amps/1999-03/msg00652.html (9,905 bytes)
163. [AMPS] FW: Mail failure (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Mon, 01 Feb 1999 10:05:34 -0500; The well-behaved way for mail servers to work with reflectors (in my opinion) would be for bounces to go back to the reflector admin, rather than being directed all the way back to the message origin; /archives//html/Amps/1999-02/msg00018.html (8,404 bytes)
164. [AMPS] LK500-ZB Amp Supply ...help (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Wed, 10 Feb 1999 15:27:09 -0500; I'm not familiar with this amp, but the problem on an SB-220 was solved very nicely with a 220-ohm 1/2 watt resistor in series with the relay control line. Alternatively, a transistor switch keyed by; /archives//html/Amps/1999-02/msg00305.html (7,956 bytes)
165. [AMPS] Dollars per dB (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Fri, 01 Jan 1999 17:08:00 +0000; ... I would argue, as well, thatit is fallacious (as K2UVG did) to count double for antenna dB, on the theory that they help both transmit and receive -- my own belief is that below 6 meters, and may; /archives//html/Amps/1999-01/msg00013.html (9,568 bytes)
166. [AMPS] HTML on reflectors (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Tue, 19 Jan 1999 11:02:45 +0000; A suggestion -- the growing use of HTML (hyper-text markup language) on big reflectors is eating a lot of bandwidth unnecessarily. Outlook and Outlook Express are 99 percent of this growing problem,; /archives//html/Amps/1999-01/msg00265.html (7,559 bytes)
167. [AMPS] big or small amps, we're all hams (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Tue, 26 Jan 1999 14:56:47 -0500; I don't think this deserves a substantive response. Peter can probably correct me -- the last time I was involved with the ITU and ham spectrum was at WARC-79 -- but the ARRL founded and was for many; /archives//html/Amps/1999-01/msg00418.html (10,413 bytes)
168. [AMPS] hot-switching help for contesters (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Wed, 02 Dec 1998 12:09:51 +0000; SB-220 owners may be interested to know that you don't necessarily have to take a break from the contest every 3-4 hours to open it up and burnish the relay contacts when they start to stick from hot; /archives//html/Amps/1998-12/msg00020.html (7,350 bytes)
169. [AMPS] Henry Radio Reflector (new) (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Tue, 29 Dec 1998 21:25:18 +0000; I guess it's a little like USENET -- as long as there's not too much cross-posting, I won't care, but then the Henry folks seemingly lose the benefit of this reflector, and vice versa. Nobody wins...; /archives//html/Amps/1998-12/msg00471.html (8,097 bytes)
170. [AMPS] HC-1 Source Allen Bond/Brand? (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Mon, 09 Nov 1998 13:42:02 +0000; A few weeks ago I had an e-mail exchange with Allen, who is the proprietor of a company that seels some things to hams, but who personally sells amp bits like new HC-1 vacuum relay pulls. I've lost t; /archives//html/Amps/1998-11/msg00124.html (6,908 bytes)
171. [AMPS] SB-220 relay (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Mon, 09 Nov 1998 12:55:31 -0500; Again during SS, I had problems with the switchover relay in my SB-220 sticking, due to hot switching. I was using TRLog, which provides for a PTT signal to the AMP a programmable interval before the; /archives//html/Amps/1998-11/msg00134.html (7,310 bytes)
172. [AMPS] Allen Bond (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Mon, 09 Nov 1998 12:50:27 -0500; ... is the President of Max-Gain systems in Marietta Georgia and also proprietor of the Antenna Mart. Thanks all for the lead. 73, Pete Smith N4ZR Loud is good -- go PVRC! -- FAQ on WWW: http://www.c; /archives//html/Amps/1998-11/msg00135.html (6,545 bytes)
173. [AMPS] Jennings Vacuum Variable Source (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Mon, 09 Nov 1998 13:05:01 -0500; Amp builders will also want to check out his web page: http://www.aaow.com/mgs/president.htm 73, Pete Smith N4ZR Loud is good -- go PVRC! -- FAQ on WWW: http://www.contesting.com/ampfaq.html Submissi; /archives//html/Amps/1998-11/msg00136.html (7,382 bytes)
174. [AMPS] SB-220 TUNE Cap Arcing (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Sat, 10 Oct 1998 21:54:23 +0100; in your cap There's only one problem with all this mutual admiration -- there is insufficient data to indicate any parasitic at all, since the writer didn't tell us whether the arcing occurred on one; /archives//html/Amps/1998-10/msg00095.html (9,882 bytes)
175. [AMPS] ALC - an elementary question (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Fri, 14 Aug 1998 15:55:13 -0400; I don't use ALC on my TS-930--SB-220 conbination, because at full blat my TS-930 won't overdrive the 220. That leads me to conclude that as long as I run the 930 cleanly, the 220 won't add any additi; /archives//html/Amps/1998-08/msg00139.html (8,007 bytes)
176. [AMPS] hot switching (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Wed, 19 Aug 1998 14:20:19 -0400; Not my experience (see below) as long as the amplifier pi was tuned to the band of interest. Otherwise, suck-out could be pretty severe. Also, raw sensitivity is rarely the limiting factor below 10 m; /archives//html/Amps/1998-08/msg00171.html (9,353 bytes)
177. [AMPS] Low Output on 10 meters (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Wed, 26 Aug 1998 10:46:24 -0400; Jon's right about this. I sometimes use my SB-220 on 12 meters, and for maximum output I need to use my TS-930's internal tuner to match it. The only problem is that as the transferred power changes,; /archives//html/Amps/1998-08/msg00216.html (9,953 bytes)
178. [AMPS] RE: Pencils and fiery inch-long arcs! (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Wed, 22 Jul 1998 13:33:19 -0400; Amen. Many years ago a friend got one hand on a ceramic standoff that was used as the HV input on a surplus amp - maybe a BC-610 - and the 2KV knocked him cold, threw him across the room and left a h; /archives//html/Amps/1998-07/msg00137.html (8,610 bytes)
179. [AMPS] Re: SSB Power Output (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Thu, 23 Jul 1998 11:07:58; John, Jon et al -- as one of our politicians aptly said, describing the process of appropriating money for government spending, "a billion here, a billion there, first thing you know you're talking s; /archives//html/Amps/1998-07/msg00159.html (11,573 bytes)
180. [AMPS] Re: Parasitics (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Wed, 13 May 1998 16:07:51 -0400; I have repeatably (not repeatedly, or at least not very often) demonstrated tune-C arcing in my SB-220 in the SSB position. It's an earlier unit, with the narrower-spaced tune-C. In all cases, the ar; /archives//html/Amps/1998-05/msg00206.html (9,849 bytes)

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