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1. [Amps] Tune and Load (score: 1): Author: tmartin@chartermi.net (Tom Martin); Date: Wed, 06 Mar 2002 10:58:58 -0600; 0=fully meshed counterclockwise and 10=fully clockwise? Tom; /archives//html/Amps/2002-03/msg00113.html (6,012 bytes)
2. [Amps] SB220 Question (score: 1): Author: tmartin@chartermi.net (Tom Martin); Date: Wed, 20 Mar 2002 11:45:47 -0600; I am doing some mods from Harbach on the 220 and one of them is the fine wire fuse between the HV feed through and the PC board. Has anyone done that and could you use a small amp fuse and fuse holde; /archives//html/Amps/2002-03/msg00440.html (6,451 bytes)
3. [AMPS] The Last Word on Beer (score: 1): Author: tmartin@chartermi.net (Tom Martin); Date: Tue, 09 Oct 2001 11:58:26 -0500; A point of interest: If you had bought $1000.00 worth of Nortel stock one year ago, it would now be worth $49.00. If you had bought $1000.00 worth of Budweiser (the beer, not the stock) one year ago,; /archives//html/Amps/2001-10/msg00235.html (6,728 bytes)
4. [AMPS] ground loop? (score: 1): Author: tmartin@chartermi.net (Tom Martin); Date: Tue, 23 Oct 2001 11:08:21 -0500; This is a puzzling situation here in the shack. I have a 117 volt receptacle that shows a voltage reading of 117 when I measure between the ground hole and hot water register in the room. Obviously,; /archives//html/Amps/2001-10/msg00449.html (7,187 bytes)
5. [AMPS] Ground loop (score: 1): Author: tmartin@chartermi.net (Tom Martin); Date: Wed, 24 Oct 2001 10:02:26 -0500; Thanks to all that offered suggestions. The electrician just left and the problem is solved. There were two reasons for the problem. First, a 3-way switch was used instead of a 2-way and it was wired; /archives//html/Amps/2001-10/msg00457.html (6,922 bytes)
6. [AMPS] FT1000MP and MLA2500 (score: 1): Author: tmartin@chartermi.net (Tom Martin); Date: Thu, 21 Jun 2001 17:46:21 -0500; I'm sorry if this has been covered before, but I'm tired of searching the archives. I would like to know if the relay in the 1000MP can handle the linear switching for the MLA2500. I had a 920 before; /archives//html/Amps/2001-06/msg00241.html (7,187 bytes)
7. [AMPS] Decision? (score: 1): Author: tmartin@chartermi.net (Tom Martin); Date: Sat, 31 Mar 2001 23:05:40 -0600; I would like anyone's opinion on the following decision. I have a choice of a Clipperton L in excellent condition with 3 year old 572-Bs for $450, or a MLA2500 with 3 year old finals (8855s?) in exce; /archives//html/Amps/2001-04/msg00000.html (6,584 bytes)
8. [AMPS] Decision (score: 1): Author: tmartin@chartermi.net (Tom Martin); Date: Sun, 01 Apr 2001 13:06:15 -0500; I would like to thank those that have responded to my questions referring to the Clipperton and MLA2500. I already have a SB220 that has become a long term project. So, I was looking for another amp; /archives//html/Amps/2001-04/msg00003.html (6,611 bytes)
9. [AMPS] Decision Made (score: 1): Author: tmartin@chartermi.net (Tom Martin); Date: Sun, 01 Apr 2001 21:01:43 -0500; Thanks again to all of the responses. The MLA2500 won out and I got a very good deal including a 3000A tuner and free shipping. Also, the owner lives just 48 miles away in the summer. I can put pins; /archives//html/Amps/2001-04/msg00004.html (6,480 bytes)
10. [AMPS] WARC and the MLA2500 (score: 1): Author: tmartin@chartermi.net (Tom Martin); Date: Fri, 06 Apr 2001 16:12:19 -0500; Has anyone used the MLA2500 on 12 or 17 meters? I have heard that this is not a good idea. 73, Tom W8JWN -- FAQ on WWW: http://www.contesting.com/FAQ/amps Submissions: amps@contesting.com Administrat; /archives//html/Amps/2001-04/msg00146.html (6,573 bytes)
11. [Amps] MLA-2500 Transformer (score: 1): Author: Tom Martin <tmartin@chartermi.net>; Date: Tue, 27 Sep 2005 11:14:17 -0500; While trying to work K7C, my MLA-2500 starting "chattering". I turned it off and waited for a few minutes and tried it again. Chattering and sparks occur in the transformer area. I'm sure that this i; /archives//html/Amps/2005-09/msg00333.html (6,383 bytes)
12. [Amps] AL-80B Questions (score: 1): Author: Tom Martin <tmartin@chartermi.net>; Date: Sun, 09 Oct 2005 11:36:10 -0500; I just purchased a used Ameritron 80B (circa 1995?). This model doesn't have the ALC control on the back of the unit. I have the following questions: 1. How can the tuned input SWR on 15, almost flat; /archives//html/Amps/2005-10/msg00208.html (7,451 bytes)
13. [Amps] 80B (score: 1): Author: Tom Martin <tmartin@chartermi.net>; Date: Sun, 09 Oct 2005 20:31:52 -0500; Hi, To all that are interested, I have resolved my 80B issues. Now, back to the ARRL Handbook forum. W8JWN/V31TR _______________________________________________ Amps mailing list Amps@contesting.com; /archives//html/Amps/2005-10/msg00235.html (5,978 bytes)
14. [Amps] 80B (score: 1): Author: Tom Martin <tmartin@chartermi.net>; Date: Mon, 10 Oct 2005 11:46:46 -0500; I just needed more drive on 10 meters and higher plate and load values to get proper output. My 10 meter mod was correct. I have a high SWR on 17 which, hopefully, will be resolved when I get an alig; /archives//html/Amps/2005-10/msg00247.html (6,917 bytes)
15. Re: [Amps] Amps Digest, Vol 34, Issue 60 (score: 1): Author: Tom Martin <tmartin@chartermi.net>; Date: Tue, 18 Oct 2005 11:16:47 -0500; The MLA-2500 was NOT capable of 1500 watts out. Mine, when it was working, rarely went to 1000 watts out. I got the AL-80B to replace the 2500. Boy, I miss the 2500! W8JWN/V31TR _____________________; /archives//html/Amps/2005-10/msg00444.html (10,850 bytes)
16. [Amps] Valiant (score: 1): Author: Tom Martin <tmartin@chartermi.net>; Date: Tue, 06 Dec 2005 09:51:38 -0600; The Valiant was my first commercial rig back in 1960. I was a high school junior and used to stay up nights and operate with all of the lights out in my room. That blue glow was beautiful! W8JWN/V31T; /archives//html/Amps/2005-12/msg00047.html (6,319 bytes)
17. Re: [Amps] Amps Digest, Vol 36, Issue 48 (score: 1): Author: "Tom Martin" <tmartin@chartermi.net>; Date: Mon, 26 Dec 2005 13:27:31 -0600; Bob, On my 80-B I have the following: HV same readings Grid 110 Plate 400 50 in 700 w out on 80-B wattmeter 50 in 500 w out with external wattmeter 1.3:1 Input SWR on 14.025 ALC Set 11 With 70 watts; /archives//html/Amps/2005-12/msg00339.html (10,051 bytes)
18. [Amps] Central Electronics 600L (score: 1): Author: "Tom Martin" <tmartin@chartermi.net>; Date: Tue, 18 Jul 2006 10:13:18 -0500; The daughter of a local SK asked me to check some equipment before she threw it in the dumpster. I found a 600L and several pieces of Collins gear! All of it is near mint condition. She has no idea a; /archives//html/Amps/2006-07/msg00576.html (6,902 bytes)
19. [Amps] Al-80B For Sale (score: 1): Author: "Tom Martin" <tmartin@chartermi.net>; Date: Wed, 13 Sep 2006 11:28:21 -0500; I have the amp, purchased new in 2002, for sale. I have a buyer in Serbia but I'm not too eager to ship to Europe. I am asking $650. I hoped to get a buyer within reasonable driving distance from my; /archives//html/Amps/2006-09/msg00196.html (6,686 bytes)
20. [Amps] SB-220 Drive (score: 1): Author: "Tom Martin" <tmartin@chartermi.net>; Date: Sat, 24 Jan 2009 11:27:43 -0600; I built mine in 1974 and I'm still using the original tubes. It has a 1000 watt key down output on 80 meters with 80 watts of drive in the SSB position. Grid current is 200 ma and 3000 volts. The CQ; /archives//html/Amps/2009-01/msg00278.html (7,576 bytes)

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