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161. Re: [Amps] Building an Amp 101 (score: 1): Author: Vic Rosenthal <k2vco.vic@gmail.com>; Date: Fri, 17 Jan 2014 08:23:20 -0800; You don't need to be an expert or have a lot of special tools. Look at my amp, <http://www.qsl.net/k2vco/4CX1000A/K2VCO%204CX1000A%20Amplifier.html> The only power tools I used were a drill press and; /archives//html/Amps/2014-01/msg00097.html (10,686 bytes)
162. Re: [Amps] Building an Amp 101 (score: 1): Author: Vic Rosenthal K2VCO <k2vco.vic@gmail.com>; Date: Fri, 17 Jan 2014 11:45:56 -0800; _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/listinfo/amps; /archives//html/Amps/2014-01/msg00113.html (8,679 bytes)
163. Re: [Amps] Building an Amp 101 (score: 1): Author: Vic Rosenthal K2VCO <k2vco.vic@gmail.com>; Date: Fri, 17 Jan 2014 16:23:06 -0800; _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/listinfo/amps; /archives//html/Amps/2014-01/msg00119.html (8,084 bytes)
164. Re: [Amps] Building an Amp 101 (score: 1): Author: Vic Rosenthal <k2vco.vic@gmail.com>; Date: Fri, 17 Jan 2014 21:54:25 -0800; Here is a picture that shows the bandswitch contacts: <http://www.qsl.net/k2vco/4CX1000A/Chassis.jpg> The fixed contacts are about 3/8" in diameter. The rotor is made of several leaves, and makes con; /archives//html/Amps/2014-01/msg00121.html (9,250 bytes)
165. Re: [Amps] Building an Amp 101 (score: 1): Author: Vic Rosenthal K2VCO <k2vco.vic@gmail.com>; Date: Sun, 19 Jan 2014 08:43:52 -0800; _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/listinfo/amps; /archives//html/Amps/2014-01/msg00159.html (7,864 bytes)
166. Re: [Amps] Building an Amp 101 (score: 1): Author: Vic Rosenthal K2VCO <k2vco.vic@gmail.com>; Date: Sun, 19 Jan 2014 16:12:59 -0800; This seems to happen because the message was sent in HTML. One of the automatic updates of Thunderbird may have changed its behavior -- it used to send in both plain text and HTML, but that feature d; /archives//html/Amps/2014-01/msg00167.html (9,093 bytes)
167. Re: [Amps] 811H pops fuses (score: 1): Author: Vic Rosenthal <k2vco.vic@gmail.com>; Date: Sun, 19 Jan 2014 22:03:28 -0800; Ameritron's prices are reasonable and they have shipped within a day every time I've ordered parts from them. Is there a place to purchase these besides Ameritron, or would it be best to go with thei; /archives//html/Amps/2014-01/msg00173.html (8,140 bytes)
168. Re: [Amps] MOVs (score: 1): Author: Vic Rosenthal K2VCO <k2vco.vic@gmail.com>; Date: Thu, 23 Jan 2014 07:48:02 -0800; I put a 320V MOV across the primary of my plate transformer (no connection to ground) to soak up differential mode spikes, on the grounds that this might help protect the diodes. I have no idea if it; /archives//html/Amps/2014-01/msg00225.html (8,847 bytes)
169. Re: [Amps] Tube swap (score: 1): Author: Vic Rosenthal K2VCO <k2vco.vic@gmail.com>; Date: Wed, 29 Jan 2014 19:32:29 -0800; The AADE meter cannot measure the stray inductance of a resistor. From the instruction manual: "Inductors must have a reasonable Q for their value and negligible distributed capacitance for their val; /archives//html/Amps/2014-01/msg00309.html (11,198 bytes)
170. Re: [Amps] Tube swap (score: 1): Author: Vic Rosenthal K2VCO <k2vco.vic@gmail.com>; Date: Thu, 30 Jan 2014 09:11:44 -0800; So... did you work the FT7? you dont need a socket either. 9 kw out the other night. -- 73, Vic, K2VCO Fresno CA http://www.qsl.net/k2vco/ _______________________________________________ Amps mailing; /archives//html/Amps/2014-01/msg00324.html (8,183 bytes)
171. Re: [Amps] Breakdown tester, RM 215 L2 (score: 1): Author: Vic Rosenthal K2VCO <k2vco.vic@gmail.com>; Date: Sat, 15 Feb 2014 11:38:31 -0800; Keep in mind that this kind of device probably has a very high series resistance built into it, so that the loading of your meter might be enough to drop the voltage significantly. Unfortunately, it; /archives//html/Amps/2014-02/msg00133.html (9,019 bytes)
172. [Amps] Stuff for sale, prices reduced (score: 1): Author: Vic Rosenthal K2VCO <k2vco.vic@gmail.com>; Date: Thu, 20 Feb 2014 12:59:59 -0800; I'm leaving California after 25 years and going back to Israel in September. I'm selling a lot of stuff I've collected, mostly boat anchors. Have a look here <http://www.qsl.net/k2vco/StuffForSale/St; /archives//html/Amps/2014-02/msg00190.html (6,995 bytes)
173. Re: [Amps] QRO operation into a 80 meter vertical (score: 1): Author: Vic Rosenthal K2VCO <k2vco.vic@gmail.com>; Date: Fri, 21 Feb 2014 09:02:53 -0800; See <http://www.qsl.net/k2vco/sniffer/rfsniffer.html>. This device can be calibrated, but for most purposes a relative indication is adequate. -- 73, Vic, K2VCO Fresno CA http://www.qsl.net/k2vco/ __; /archives//html/Amps/2014-02/msg00206.html (8,733 bytes)
174. [Amps] Working on my Darwin award (score: 1): Author: Vic Rosenthal K2VCO <k2vco.vic@gmail.com>; Date: Sat, 22 Feb 2014 17:41:35 -0800; Speaking of dangerous stupidity, here's what I did today. I was testing my amplifier with different plate voltages, so I was changing taps on the primary and secondary of the plate transformer. At on; /archives//html/Amps/2014-02/msg00223.html (8,343 bytes)
175. Re: [Amps] Working on my Darwin award (score: 1): Author: Vic Rosenthal <k2vco.vic@gmail.com>; Date: Sat, 22 Feb 2014 19:58:15 -0800; It's interesting how things combine to cause dangerous situations. I think this happened because I am in the middle of packing some gear that I sold and doing various other things, so my shack is a h; /archives//html/Amps/2014-02/msg00228.html (10,079 bytes)
176. Re: [Amps] Working on my Darwin award (score: 1): Author: Vic Rosenthal K2VCO <k2vco.vic@gmail.com>; Date: Sun, 23 Feb 2014 17:46:14 -0800; No, the breaker was OK. I have a 20A breaker on the amp, a 25A one on the wall of the shack, and a 30A one at the service entrance. All three opened up properly. But the relay that controls the prima; /archives//html/Amps/2014-02/msg00244.html (9,664 bytes)
177. Re: [Amps] Working on my Darwin award (score: 1): Author: Vic Rosenthal K2VCO <k2vco.vic@gmail.com>; Date: Mon, 24 Feb 2014 17:25:03 -0800; Sometimes in a very severe shock the muscle contraction can actually clamp the heart in your chest and keep it from beating -- or fibrillating. But don't count on it. -- 73, Vic, K2VCO Fresno CA http; /archives//html/Amps/2014-02/msg00253.html (8,525 bytes)
178. Re: [Amps] Cool Amp Silver Plating (score: 1): Author: Vic Rosenthal K2VCO <k2vco.vic@gmail.com>; Date: Sat, 01 Mar 2014 10:59:46 -0800; When I was in college, I brought a coil to the chemistry department and talked to some of the professors about silver plating it. The one who knew the most about it explained that it required silver; /archives//html/Amps/2014-03/msg00008.html (8,958 bytes)
179. [Amps] For sale: 4CX1000A amplifier (score: 1): Author: Vic Rosenthal K2VCO <k2vco.vic@gmail.com>; Date: Mon, 03 Mar 2014 10:52:26 -0800; After a lot of agonizing, I've decided to sell my new 4CX1000A amplifier. I'm downsizing to a much smaller place, and my TL-922 will meet my needs. The 4CX1000A unit is described here: <http://www.qs; /archives//html/Amps/2014-03/msg00018.html (7,587 bytes)
180. Re: [Amps] Pi-L Network Question (score: 1): Author: Vic Rosenthal <k2vco.vic@gmail.com>; Date: Tue, 11 Mar 2014 09:13:06 -0700; My experience might not be helpful, but for what it's worth: I've used the G3SEK spreadsheet for two amplifiers, both with pi networks (not pi-L). The first was a class-C amplifier with a pair of 813; /archives//html/Amps/2014-03/msg00035.html (11,075 bytes)

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