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101. Re: [Amps] Anodised aluminum (score: 1): Author: Charles Harpole <k4vud@hotmail.com>; Date: Tue, 18 Oct 2011 04:15:12 +0000; Best lock washer in this application is the one with big teeth on the outside rim of the washer.... Second choice is big teeth on the inside of the hole. The compression split lock washers are not us; /archives//html/Amps/2011-10/msg00052.html (9,427 bytes)
102. [Amps] VL-2000 (score: 1): Author: Charles Harpole <k4vud@hotmail.com>; Date: Sun, 13 Nov 2011 03:30:25 +0000; A new brochure is out about the ghost Yaesu VL-2000 amplifier..... Looks good like an amp should. Big question for me, partly noted, is if one can run 200 watts thru the thing without damage (on by p; /archives//html/Amps/2011-11/msg00049.html (7,147 bytes)
103. Re: [Amps] What type of amplifier is best (score: 1): Author: Charles Harpole <k4vud@hotmail.com>; Date: Sun, 13 Nov 2011 18:39:43 +0000; Hey Shon, As an owner or former owner of Heath SB-220 and SB-230, Henry floor model 2K, TL-922, National NC-2000, Alpha 76A, Alpha 76PAC, two Alpha 87a, Titan One, Dentron DTR-2000, three ICOM IC-2KL; /archives//html/Amps/2011-11/msg00055.html (11,406 bytes)
104. Re: [Amps] best deal for Mallory caps? (score: 1): Author: Charles Harpole <k4vud@hotmail.com>; Date: Sun, 27 Nov 2011 05:58:05 +0000; I purchased the needed caps in Bangkok's electronics wonderland...5 sq blocks of shops... at about $1 usd each and they fit easily under the existing board with lots of room under where the long orig; /archives//html/Amps/2011-11/msg00148.html (13,458 bytes)
105. Re: [Amps] Silver plated Cu strap sources? (score: 1): Author: Charles Harpole <k4vud@hotmail.com>; Date: Wed, 7 Dec 2011 03:54:50 +0000; Skycraft in Orlando Fla. has them, but may need a personal visit to get..... dont know that. 73 Charles Harpole k4vud@hotmail.com _______________________________________________ Amps mailing list Amp; /archives//html/Amps/2011-12/msg00057.html (8,381 bytes)
106. [Amps] Alpha 87a famous Fault 9 (score: 1): Author: Charles Harpole <k4vud@hotmail.com>; Date: Wed, 14 Dec 2011 02:26:38 +0000; Need help..... Have Alpha 87a that goes to Fault 9 like this Amp has been off for month. Put switches in HIGH VOLTAGE (SSB), OPERATE, and turn ON. No RF present anywhere, and of course, no drive...al; /archives//html/Amps/2011-12/msg00105.html (8,504 bytes)
107. Re: [Amps] Warm up and on time question... (score: 1): Author: Charles Harpole <k4vud@hotmail.com>; Date: Wed, 14 Dec 2011 02:39:52 +0000; I asked Alpha amps tech this question and otherwise the received wisdom over the years agrees with this.... Turn on is the worst thing that can happen to something with a filliament, like a light bul; /archives//html/Amps/2011-12/msg00106.html (9,606 bytes)
108. Re: [Amps] Is after-powerdown cooling desirable? (score: 1): Author: Charles Harpole <k4vud@hotmail.com>; Date: Tue, 20 Dec 2011 16:43:05 +0000; When I said, "It cant hurt anything" My Father would say, "It cant do it any good." Why not err on the side of caution and run the fan a few minutes after shut down? Charles Harpole k4vud@hotmail.com; /archives//html/Amps/2011-12/msg00158.html (12,491 bytes)
109. Re: [Amps] Is after-powerdown cooling desirable? (score: 1): Author: Charles Harpole <k4vud@hotmail.com>; Date: Tue, 20 Dec 2011 16:42:10 +0000; When I said, "It cant hurt anything" My Father would say, "It cant do it any good." Why not err on the side of caution and run the fan a few minutes after shut down? Charles Harpole k4vud@hotmail.com; /archives//html/Amps/2011-12/msg00159.html (12,432 bytes)
110. Re: [Amps] Length of coax from xcvr to amp affecting input swr. (score: 1): Author: Charles Harpole <k4vud@hotmail.com>; Date: Sun, 1 Jan 2012 02:04:36 +0000; This is a common phenomena and many amp users see it with a variety of amp makes and models. Alpha recommends 3 feet, and that works great. There must be another magic length longer than 3 feet, but; /archives//html/Amps/2012-01/msg00007.html (10,431 bytes)
111. [Amps] 87a cured (score: 1): Author: Charles Harpole <k4vud@hotmail.com>; Date: Sun, 15 Jan 2012 14:23:17 +0000; For over 5 years, my Alpha has sat in the shack with high humidity and temps of 30-34C. During that time, it automatically went to Fault 9... and sometimes Fault 20.... when tried to use. The "go to; /archives//html/Amps/2012-01/msg00146.html (7,098 bytes)
112. [Amps] A intermittent 87a (score: 1): Author: Charles Harpole <k4vud@hotmail.com>; Date: Sun, 22 Jan 2012 12:08:26 +0000; 1. Looking for ideas re an intermittent flakey Alpha 87a. SN 91480337 with factory Alpha Max and set on 220VAC with line voltage consistently at 230VAC (not counting dips occasionally but not apparen; /archives//html/Amps/2012-01/msg00167.html (8,583 bytes)
113. [Amps] Message B more info re intermittent 87a (score: 1): Author: Charles Harpole <k4vud@hotmail.com>; Date: Sun, 22 Jan 2012 17:10:12 +0000; I forgot to note in my first message that I did very recently unplug, clean, and replug all the plugs accessible via the under side removable panel. I have not yet worked on all the other plugs, but; /archives//html/Amps/2012-01/msg00178.html (11,418 bytes)
114. [Amps] FW: amazing! PA (score: 1): Author: Charles Harpole <k4vud@hotmail.com>; Date: Sun, 12 Feb 2012 06:55:20 +0000; great new power transistor, they say. Charles Harpole k4vud@hotmail.com _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/listi; /archives//html/Amps/2012-02/msg00100.html (6,514 bytes)
115. [Amps] What contry customs drilled the holes? (score: 1): Author: Charles Harpole <k4vud@hotmail.com>; Date: Fri, 2 Mar 2012 05:35:23 +0000; which nation? Charles Harpole k4vud@hotmail.com _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/listinfo/amps; /archives//html/Amps/2012-03/msg00023.html (9,415 bytes)
116. Re: [Amps] Elecraft W2, nope (score: 1): Author: Charles Harpole <k4vud@hotmail.com>; Date: Sat, 3 Mar 2012 03:42:00 +0000; Elecraft W2 that I have is a nice toy to give flashing lights to the shack, but very frustrating to use to try to peak up a linear amp. The gradients of the bars in the bar graph are just not fine en; /archives//html/Amps/2012-03/msg00044.html (8,943 bytes)
117. Re: [Amps] Cell phones, digital cameras and RF (score: 1): Author: Charles Harpole <k4vud@hotmail.com>; Date: Tue, 6 Mar 2012 03:08:11 +0000; High RF fields ... like being in a shack with two KWs running, puts lines in the video of a SONY PD -100 model camera. Tested. Charles Harpole k4vud@hotmail.com ______________________________________; /archives//html/Amps/2012-03/msg00063.html (9,963 bytes)
118. Re: [Amps] Expert Amps 2K-FA query (score: 1): Author: Charles Harpole <k4vud@hotmail.com>; Date: Wed, 25 Apr 2012 08:40:01 +0000; The only spec I can not find about most amplifiers is how much RF power can it pass ON STANDBY. Anyone know about this or other amps?? Being able to quickly switch to 200 watts is handy if one wishes; /archives//html/Amps/2012-04/msg00234.html (11,084 bytes)
119. [Amps] every db lost re Tubes vs. Solid State (score: 1): Author: Charles Harpole <k4vud@hotmail.com>; Date: Mon, 30 Apr 2012 06:01:30 +0000; I think we should also count pieces of incoming db lost by insertion of various devices. I know ever coax joint, every coax switch, and so on costs rcv db. But what does an amp in line take away? Tub; /archives//html/Amps/2012-04/msg00280.html (11,440 bytes)
120. [Amps] soldering vs crimping (score: 1): Author: Charles Harpole <k4vud@hotmail.com>; Date: Wed, 2 May 2012 04:25:54 +0000; Anyone who thinks a crimp is better than soldering is just fooling himself. Maybe they are equal the day of proper installation, but what about 7 years later at the top of the tower in lots of vibrat; /archives//html/Amps/2012-05/msg00047.html (13,377 bytes)

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