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61. Re: [Amps] Comparison of PCB-mount RF relays (score: 1): Author: Lee Buller <k0wa@swbell.net>; Date: Sat, 7 Aug 2010 04:35:01 -0700 (PDT); Jim, thanks for your excellent work and commentary. Now, the question I have.... Do you think these relays could be used in switching a PI-Net circuit in an amplifier instead of the standard rotary s; /archives//html/Amps/2010-08/msg00077.html (8,340 bytes)
62. [Amps] GS-35B Preparation (score: 1): Author: Lee Buller <k0wa@swbell.net>; Date: Thu, 19 Aug 2010 06:23:49 -0700 (PDT); Ok, I admit it....I am a Liberal Arts ham radio operator. Now, that is not a "bad" thing, but I am not the brilliant engineering types I read on this list. Just leave it said...I am a frustrated engi; /archives//html/Amps/2010-08/msg00320.html (7,312 bytes)
63. [Amps] Autotuner for Amp Input (score: 1): Author: Lee Buller <k0wa@swbell.net>; Date: Thu, 7 Oct 2010 07:40:50 -0700 (PDT); Hi Folks.... I am in the process of connecting parts for my homebrew amp and have been struggling with finding a Band Switch. I have several out of an old WWII Tuner that would work. I want a switch; /archives//html/Amps/2010-10/msg00087.html (7,714 bytes)
64. [Amps] OT Ebay Bidding - Auto Bid (score: 1): Author: Lee Buller <k0wa@swbell.net>; Date: Thu, 7 Oct 2010 08:05:38 -0700 (PDT); Ebay can be a pain to win something you really would like to have because of bid sniping. Like that Alpha 77 that is going for well below market price. Well, there are free auto bidding sites that yo; /archives//html/Amps/2010-10/msg00089.html (7,288 bytes)
65. Re: [Amps] 6146 via 572b's (score: 1): Author: Lee Buller <k0wa@swbell.net>; Date: Tue, 12 Oct 2010 14:23:05 -0700 (PDT); This has been done with an old HW100 or HW101. The guy fed the output of the K2 (or QRP rig) into the HW100 just before the amp (2 x 6146) just after the driver. He used the tuned output/input betwee; /archives//html/Amps/2010-10/msg00205.html (9,286 bytes)
66. [Amps] Pi Net Switch (score: 1): Author: Lee Buller <k0wa@swbell.net>; Date: Fri, 15 Oct 2010 09:26:41 -0700 (PDT); I am sure that this has been discussed here, but I cannot find any reference to it... Some builders say a "shorting" band switch is better that an "non-shorting" band switch. My question is why? Lee; /archives//html/Amps/2010-10/msg00236.html (6,649 bytes)
67. [Amps] 850 and 852 (score: 1): Author: Lee Buller <k0wa@swbell.net>; Date: Tue, 9 Nov 2010 08:14:50 -0800 (PST); What are your thoughts about using a B&W 850 or 852 in an amp today? Like with a Russian tube? Lee K0WA _______________________________________________ Amps mailing list Amps@contesting.com http://li; /archives//html/Amps/2010-11/msg00092.html (6,397 bytes)
68. [Amps] Ameritron Parts (score: 1): Author: Lee Buller <k0wa@swbell.net>; Date: Sun, 14 Nov 2010 06:41:23 -0800 (PST); If you download the MFJ Catalog in .pdf form...the parts are in there. Lee - K0WA In our day and age it seems that Common Sense is in short supply. If you don't have any Common Sense - get some Commo; /archives//html/Amps/2010-11/msg00210.html (6,719 bytes)
69. [Amps] Building a Mock Up (score: 1): Author: Lee Buller <k0wa@swbell.net>; Date: Wed, 17 Nov 2010 09:41:09 -0800 (PST); How many of you amp builders make a mock up of the chassis and layout in "cardboard" before you start cutting, bending and drilling metal? Lee - K0WA In our day and age it seems that Common Sense is; /archives//html/Amps/2010-11/msg00304.html (6,666 bytes)
70. [Amps] Tube Cooling (score: 1): Author: Lee Buller <k0wa@swbell.net>; Date: Mon, 22 Nov 2010 13:13:59 -0800 (PST); In researching information for an amp using a Russian Tube, I have found little on cooling requirements. Usually it is done one of two ways... 1. Some people develop their GI7B amps with forced air c; /archives//html/Amps/2010-11/msg00383.html (6,963 bytes)
71. Re: [Amps] TenTec Centurion - 422 tuning question (score: 1): Author: Lee Buller <k0wa@swbell.net>; Date: Thu, 23 Dec 2010 08:31:08 -0800 (PST); How about calling Ten Tec to see if they have a fix or a mod or information about this Lee - K0WA In our day and age it seems that Common Sense is in short supply. If you don't have any Common Sense; /archives//html/Amps/2010-12/msg00315.html (8,282 bytes)
72. Re: [Amps] TenTec Centurion - 422 tuning question (score: 1): Author: Lee Buller <k0wa@swbell.net>; Date: Thu, 23 Dec 2010 12:11:45 -0800 (PST); Hi Lee, My first resuorce was to Ten Tec. They stated exactly what I thought they would. The amps have been in production for years and they work fine. Must be a problem with mine. If I want them to; /archives//html/Amps/2010-12/msg00318.html (8,652 bytes)
73. Re: [Amps] What to buy? (score: 1): Author: Lee Buller <k0wa@swbell.net>; Date: Wed, 26 Jan 2011 18:27:40 -0800 (PST); Dennis.... To answer your question directly...and you have the dollars..... Full power amp: ACOM is OK. I have operated their 1000 model. Very quiet. Very rugged. Easy to operate. Has 6 meters too. A; /archives//html/Amps/2011-01/msg00348.html (9,384 bytes)
74. Re: [Amps] Prefab Cabinets (score: 1): Author: Lee Buller <k0wa@swbell.net>; Date: Tue, 15 Feb 2011 06:36:20 -0800 (PST); Well, this is a interest topic.... I have been looking at the same issue and I am cheap. I work in the IT world at a School District and we were getting rid of some very old P3 towers. As I was takin; /archives//html/Amps/2011-02/msg00116.html (8,440 bytes)
75. Re: [Amps] Al-82 Blowing fuses? (score: 1): Author: Lee Buller <k0wa@swbell.net>; Date: Tue, 22 Feb 2011 08:45:20 -0800 (PST); I have the same amp. A couple of months ago, a thread with the similar problem was discussed and "cussed." It seems to center around the "step-start" relay. Ether the contacts need to be "cleaned"...; /archives//html/Amps/2011-02/msg00157.html (8,873 bytes)
76. Re: [Amps] Which hearhkit amp would you choose? (score: 1): Author: Lee Buller <k0wa@swbell.net>; Date: Wed, 13 Apr 2011 06:07:36 -0700 (PDT); How about none of them..... I have had the SB220 and the SB200 (I liked the 200 better but it is a light weight compared to the 220). I just did not like them in the end. After operating other amps,; /archives//html/Amps/2011-04/msg00368.html (9,805 bytes)
77. [Amps] Capacitor (score: 1): Author: Lee Buller <k0wa@swbell.net>; Date: Tue, 12 Jun 2012 12:58:04 -0700 (PDT); Anyone have a 68 pf 5kv or so doorknob capacitor they would like to part with? Lee - K0WA In our day and age it seems that Common Sense is in short supply. If you don't have any Common Sense - get so; /archives//html/Amps/2012-06/msg00077.html (6,592 bytes)
78. [Amps] This Month's QST Article (score: 1): Author: Lee Buller <k0wa@swbell.net>; Date: Tue, 25 Sep 2012 07:43:20 -0700 (PDT); Have any of you read the solid state 2-meter amplifier article in QST this month? New solid state device. 75% efficiency. Also, 27 db gain. Are these claims true? Seems to be a good device at a repor; /archives//html/Amps/2012-09/msg00288.html (7,098 bytes)
79. Re: [Amps] This Month's QST Article (score: 1): Author: Lee Buller <k0wa@swbell.net>; Date: Wed, 26 Sep 2012 08:20:51 -0700 (PDT); Darn....that seems to be an excellent device .... 27 db gain....75% efficient...and that is at 144 Mhz. How does that translate to HF....160 to 10 meters? Could this be a tube killer for ham radio ma; /archives//html/Amps/2012-09/msg00302.html (9,767 bytes)
80. Re: [Amps] Most power ever run on amateur radio :-) (score: 1): Author: Lee Buller <k0wa@swbell.net>; Date: Wed, 19 Dec 2012 14:23:12 -0800 (PST); I know a group of guys who own a BIG linear that is mounted on a hand truck for easy loading and unloading. If I remember correctly, they burned up the insulators on a HyGain HiTower during a 160 met; /archives//html/Amps/2012-12/msg00122.html (10,020 bytes)

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