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Total 53 documents matching your query.

1. Re: [Amps] High Pot Transformer FS (score: 1)
Author: "Mike Sawyer" <w3slk@uplink.net>
Date: Fri, 10 Dec 2004 19:57:06 -0500
" have a high-quality h.v. transformer, suitable for high-pot testing, that was manufactured for the USN." I like stuff that comes from the University of Southern Nevada! ;>) Mike(y) W3SLK Gentlemen:
/archives//html/Amps/2004-12/msg00168.html (7,580 bytes)

2. Re: [Amps] Unknown tube amp (score: 1)
Author: "Mike Sawyer" <w3slk@uplink.net>
Date: Sun, 12 Dec 2004 16:12:08 -0500
I'm just kind of curious whether it may be a socket for a 3A200. These were pretty much used in the old FAA A-and-N transmitters. The unusual thing was they had a 3-pin base and 2 grid connections on
/archives//html/Amps/2004-12/msg00196.html (9,878 bytes)

3. [Amps] RF Ammeter (score: 1)
Author: "Mike Sawyer" <w3slk@uplink.net>
Date: Sun, 19 Dec 2004 09:10:51 -0500
Folks, A while back I was trying to locate an RF ammeter for my RCA SB-1K amp. I didn't have any luck then so I figured I would try again. The meter is a 0-8 RF AMP ammeter made by Simpson. ~3" squar
/archives//html/Amps/2004-12/msg00236.html (6,381 bytes)

4. Re: [Amps] RF Ammeter (score: 1)
Author: "Mike Sawyer" <w3slk@uplink.net>
Date: Sun, 19 Dec 2004 18:06:07 -0500
I still have the original face plate and meter case. The reason it went Tango Uniform is it apparently got moisture in the movement. Along with that, the thermal couple burned out, (I didn't know it
/archives//html/Amps/2004-12/msg00241.html (9,901 bytes)

5. Re: [Amps] Custom Power Transformers (score: 1)
Author: "Mike Sawyer" <w3slk@uplink.net>
Date: Sun, 19 Dec 2004 22:47:14 -0500
Bob, You may want to try the AM reflector. I understand that the HRO-60 suffered from this malady. I may have something that would fit but I need to know what the voltages are. I had an HRO-60 that h
/archives//html/Amps/2004-12/msg00243.html (7,664 bytes)

6. Re: [Amps] Tuning (score: 1)
Author: "Mike Sawyer" <w3slk@uplink.net>
Date: Wed, 22 Dec 2004 16:53:11 -0500
"Why not do a bench test with a good dummy load and a wattmeter? Make a chart, and tune up in your favorite hangout area...." To ad to that, you could purchase an antenna analyzer, adjust your antenn
/archives//html/Amps/2004-12/msg00270.html (9,416 bytes)

7. Re: [Amps] Quick 220 outlet? (score: 1)
Author: "Mike Sawyer" <w3slk@uplink.net>
Date: Mon, 7 Feb 2005 22:28:07 -0500
Yeah. Now look at those same electrician that are advanced in age. You will find that they cannot move their arms or extremities due to 'over-excitation' of the nerve endings caused by too many shock
/archives//html/Amps/2005-02/msg00285.html (8,930 bytes)

8. Re: [Amps] Modulation Transformer(s) (score: 1)
Author: "Mike Sawyer" <w3slk@uplink.net>
Date: Sat, 19 Feb 2005 20:46:38 -0500
Colin, I have to disagree. I managed to find a VM-4 multimatch mod transformer for $40, (and that wasn't E-bay) If you can't find a multi-match transformer in the 300-500 watt range, (even though you
/archives//html/Amps/2005-02/msg00606.html (8,629 bytes)

9. Re: [Amps] Modulation Transformer(s) (score: 1)
Author: "Mike Sawyer" <w3slk@uplink.net>
Date: Sun, 20 Feb 2005 09:14:32 -0500
Yeah, but sometimes it feels good to do something classical. If I wanted to go real high-tech, I could use a bunch of FET's and run class E for super efficiency. But I feel "Real Radios Glow in the D
/archives//html/Amps/2005-02/msg00616.html (10,028 bytes)

10. Re: [Amps] Removing enamel insulation? (score: 1)
Author: "Mike Sawyer" <w3slk@uplink.net>
Date: Sun, 20 Feb 2005 18:59:21 -0500
Back when I worked for EIT, I had to build detonators by hand. Essentially they were nothing more than a dc-dc amp with a boost. Anyhow, I used to use a chemical substance that was fairly high pH. I
/archives//html/Amps/2005-02/msg00634.html (8,540 bytes)

11. Re: [Amps] Water cooled amp question (score: 1)
Author: "Mike Sawyer" <w3slk@uplink.net>
Date: Sat, 5 Mar 2005 08:56:50 -0500
Yeah but poly-ethylene glycol is used in everything from shampoo to food-stuffs. Read the label you will see it abbreviated as PEG. I believe that it is not dangerous. On another note about water, I
/archives//html/Amps/2005-03/msg00089.html (8,885 bytes)

12. Re: [Amps] Solid State HF High power linear amps (score: 1)
Author: "Mike Sawyer" <w3slk@uplink.net>
Date: Mon, 28 Mar 2005 21:41:42 -0500
One has to consider the "Fudge Factor". That unavoidable event that happens such as a miss-tuning/wrong antenna, etc. Solid state device aren't near as forgiving as their 'Hollow State' big brothers.
/archives//html/Amps/2005-03/msg00650.html (7,790 bytes)

13. Re: [Amps] fl2100b part 3 (score: 1)
Author: "Mike Sawyer" <w3slk@uplink.net>
Date: Sun, 17 Apr 2005 08:46:16 -0400
Peter said, "Not with good quality sockets....." You are right Peter, However, if the ceramic style sockets are used, there usually is not a problem. It is a different story with the phenolic type. T
/archives//html/Amps/2005-04/msg00323.html (7,185 bytes)

14. Re: [Amps] Alpha 87A OMEGA (score: 1)
Author: "Mike Sawyer" <w3slk@uplink.net>
Date: Wed, 15 Jun 2005 22:22:44 -0400
As the old saying goes, "If you have to ask how much, you can't afford it!" Mike(y) W3SLK _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting
/archives//html/Amps/2005-06/msg00110.html (7,596 bytes)

15. Re: [Amps] Alpha service (score: 1)
Author: "Mike Sawyer" <w3slk@uplink.net>
Date: Sun, 19 Jun 2005 08:32:07 -0400
Gene said, "...which was USPS'd insured and priority mail marked fragile ..." Anything marked "Fragile" is usually an open invitation for the handlers to see just how fragile it really is! Mike(y) W3
/archives//html/Amps/2005-06/msg00141.html (7,854 bytes)

16. Re: [Amps] HP5328A Counter (score: 1)
Author: "Mike Sawyer" <w3slk@uplink.net>
Date: Sat, 16 Jul 2005 23:53:15 -0400
That was a steal for that price Will. I paid $115 for mine at the Timonium Hamfest. Mike(y) W3SLK -- Original Message -- From: "Will Matney" <craxd@engineer.com> To: <amps@contesting.com> Sent: Satur
/archives//html/Amps/2005-07/msg00189.html (8,355 bytes)

17. Re: [Amps] 6146's (score: 1)
Author: "Mike Sawyer" <w3slk@uplink.net>
Date: Mon, 8 Aug 2005 18:40:56 -0400
On the contrary! The 6146B has a few idiosyncrasies about it. To find out, check this URL to get the low down on the whole 6146 family. http://home.comcast.net/~k9sth/The_6146_Family_of_Tubes_1.htm M
/archives//html/Amps/2005-08/msg00306.html (8,055 bytes)

18. Re: [Amps] shielding TSPA (score: 1)
Author: "Mike Sawyer" <w3slk@uplink.net>
Date: Mon, 8 Aug 2005 18:43:50 -0400
P.T. Barnum said, "Nobody ever went broke under-estimating the intelligence of the American public..." Mike(y) W3SLK -- Original Message -- From: "Bert" <balmemo@sympatico.ca> To: "'John T. M. Lyles'
/archives//html/Amps/2005-08/msg00307.html (8,790 bytes)

19. Re: [Amps] Appraising Old Tubes (score: 1)
Author: "Mike Sawyer" <w3slk@uplink.net>
Date: Sat, 3 Sep 2005 17:21:37 -0400
Mike, This would be a pretty good place: http://amfone.net/Amforum/index.php Contact Gary, W2INR, there are all kinds of people looking for those tubes. I know quite a number of hams that still run B
/archives//html/Amps/2005-09/msg00026.html (7,468 bytes)

20. Re: [Amps] Alpha releases New Amp 9500 (score: 1)
Author: "Mike Sawyer" <w3slk@uplink.net>
Date: Sat, 17 Sep 2005 07:55:10 -0400
Amen, Alek! Mike(y) W3SLK -- Original Message -- From: "Alek Petkovic" <vk6apk@eon.net.au> To: <amps@contesting.com> Sent: Saturday, September 17, 2005 4:41 AM Subject: Re: [Amps] Alpha releases New
/archives//html/Amps/2005-09/msg00195.html (8,955 bytes)

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