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221. [AMPS] Gassy Tubes and Gas Arcs (score: 1): Author: rakefet@rakefet.com (Vic Rosenthal); Date: Mon, 18 May 1998 07:40:49 -0700; Did you ever see a VR150, 0B2, etc. gas regulator tube? Or even a neon bulb? You can see the gas glowing inside the tube. It looks quite different from the fluorescence on the glass envelope of a tub; /archives//html/Amps/1998-05/msg00320.html (8,804 bytes)
222. [AMPS] SB-1000 WARC usage (score: 1): Author: rakefet@rakefet.com (Vic Rosenthal); Date: Thu, 28 May 1998 11:46:56 -0700; I have the following problem with my SB-1000: Although the plate circuit tunes 18 mhz in the 21 mhz position and 24 mhz in the 28 mhz position, it's not possible to adjust the input tuned circuit so; /archives//html/Amps/1998-05/msg00613.html (8,138 bytes)
223. [AMPS] Re: SB-1000 WARC usage (score: 1): Author: rakefet@rakefet.com (Vic Rosenthal); Date: Thu, 28 May 1998 15:35:33 -0700; I have done this, and the plate circuit seems to work fine. I haven't been able to find a compromise setting that's satisfactory -- My TS850 is very sensitive to SWR. But maybe I need to work harder; /archives//html/Amps/1998-05/msg00617.html (8,008 bytes)
224. [AMPS] SB-1000 WARC usage (score: 1): Author: rakefet@rakefet.com (Vic Rosenthal); Date: Fri, 29 May 1998 08:29:27 -0700; Good idea -- I've got the schematic for my SB-1000, and the AL80B parts list is on Ameritron's web site -- perhaps their input components are slightly different; I'll check. I'm already using an Amer; /archives//html/Amps/1998-05/msg00643.html (7,934 bytes)
225. [AMPS] SB-1000 RF choke -- results (?) (score: 1): Author: rakefet@rakefet.com (Vic Rosenthal); Date: Sun, 01 Mar 1998 16:45:18 -0800; In case anyone is interested in the saga of my SB-1000, I did the following today: 1) Replaced the plate choke with the Ameritron AL-80B choke. Whoever suggested that resonances must be checked with; /archives//html/Amps/1998-03/msg00006.html (7,774 bytes)
226. [AMPS] Re: ALPHA AMPS...the contraversy continues!!! (score: 1): Author: rakefet@rakefet.com (Vic Rosenthal); Date: Mon, 09 Mar 1998 20:00:27 -0800; You know why the British don't manufacture computers, don't you? They couldn't figure out how to make them leak oil.... Vic K2VCO -- FAQ on WWW: http://www.contesting.com/ampfaq.html Submissions: amp; /archives//html/Amps/1998-03/msg00132.html (8,407 bytes)
227. [AMPS] SB-1000 bandswitch damage (score: 1): Author: rakefet@rakefet.com (Vic Rosenthal); Date: Tue, 10 Mar 1998 22:01:43 -0800; I was looking through the Amps archives and I noticed some comments about damage to the 160-meter padding capacitor bandswitch contact due to Heath not providing a corona washer. Sure enough, my SB-1; /archives//html/Amps/1998-03/msg00164.html (7,933 bytes)
228. [AMPS] SB-1000 bandswitch damage (score: 1): Author: rakefet@rakefet.com (Vic Rosenthal); Date: Wed, 11 Mar 1998 11:29:11 -0800; When I got the amp, the choke was burned out. The bandswitch damage could have happened at the same time. The choke has now been replaced with an Ameritron AL-80B choke, and I've also added one of Ri; /archives//html/Amps/1998-03/msg00183.html (8,264 bytes)
229. [AMPS] SB-1000 Corona washer (score: 1): Author: rakefet@rakefet.com (Vic Rosenthal); Date: Fri, 27 Mar 1998 07:59:45 -0800; Hi, I've asked this before, but I suspect everyone thought someone else had answered this, so I still want to know: The later SB-1000's included a corona washer somewhere around the 160-meter padding; /archives//html/Amps/1998-03/msg00452.html (6,837 bytes)
230. [AMPS] Drake L4B Improvements or suggestions (score: 1): Author: rakefet@rakefet.com (Vic Rosenthal); Date: Tue, 10 Feb 1998 09:46:10 -0800; The info at this address claims that a vacuum relay can 'barely keep up with' modern QSK transceivers, and a PIN diode system is better for that reason. I can tell you that a vacuum relay --when used; /archives//html/Amps/1998-02/msg00055.html (8,914 bytes)
231. [AMPS] RF choke for SB-1000 (score: 1): Author: rakefet@rakefet.com (Vic Rosenthal); Date: Sun, 15 Feb 1998 14:08:46 -0800; I obtained an SB-1000 with a damaged plate RF choke. I've rewound it several times, but I am having difficulty getting it to work properly on all bands 160-10 meters. Currently the one I made has its; /archives//html/Amps/1998-02/msg00096.html (7,504 bytes)
232. [AMPS] Re: RF choke for SB-1000 (score: 1): Author: rakefet@rakefet.com (Vic Rosenthal); Date: Sun, 15 Feb 1998 15:50:36 -0800; My ceramic form is one size, so I guess I had the old model. I do not think Heathkit is in business any more, but I am going to look into getting an Ameritron choke. It's hard to make a good choke wh; /archives//html/Amps/1998-02/msg00099.html (7,867 bytes)
233. [AMPS] RF choke for SB-1000 (score: 1): Author: rakefet@rakefet.com (Vic Rosenthal); Date: Sun, 15 Feb 1998 15:55:02 -0800; Charley, Do you (or anybody else reading this) by any chance have their part number or circuit diagram designation? I guess I'm going to try to get one from them, but I'm afraid that I'll get a perso; /archives//html/Amps/1998-02/msg00100.html (7,714 bytes)
234. [AMPS] RF choke question (score: 1): Author: rakefet@rakefet.com (Vic Rosenthal); Date: Sat, 28 Feb 1998 13:53:58 -0800; Recently, I became concerned that the hommemade plate choke in my SB-1000 had series resonances near some of the bands. I thought that was responsible for the fact that I was unable to get full outpu; /archives//html/Amps/1998-02/msg00153.html (8,239 bytes)

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