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Total 129 documents matching your query.

1. [Amps] Drake L4B (score: 1)
Author: "Keith Dutson" <kdutson@sbcglobal.net>
Date: Fri, 15 Jul 2005 14:43:18 -0500
Hi, am new to this list. I recently acquired a Drake L4B. The previous owner said the amp had been "refreshed" several years ago but not used for more than 2 years. A friend who has all Drake equipme
/archives//html/Amps/2005-07/msg00174.html (6,671 bytes)

2. [Amps] Drake L-4B FS (score: 1)
Author: "Keith Dutson" <kdutson@sbcglobal.net>
Date: Wed, 3 Aug 2005 20:43:10 -0500
I have a mint condition Drake L4-B for sale. The power supply has been reworked with all new modern caps and large silicon rectifiers. These mods were done by a NASA engineer working here in Houston.
/archives//html/Amps/2005-08/msg00073.html (7,454 bytes)

3. Re: [Amps] Amps Digest, Vol 32, Issue 12: Metric system (score: 1)
Author: "Keith Dutson" <kdutson@sbcglobal.net>
Date: Thu, 4 Aug 2005 10:45:52 -0500
are in MM, but I could never get it done, I would cut the elements off to the correct MM length in the morning, but by afternoon and 100 degree heat, they were too many MM long, so I had to cut them
/archives//html/Amps/2005-08/msg00099.html (7,591 bytes)

4. Re: [Amps] Metric system (score: 1)
Author: "Keith Dutson" <kdutson@sbcglobal.net>
Date: Fri, 5 Aug 2005 12:37:05 -0500
Being a programmer I prefer base 16 (hexadecimal). Next January I will celebrate 40th birthday. <grin> 73, Keith NM5G system of measuring age in years to something with a bit more time between annive
/archives//html/Amps/2005-08/msg00185.html (8,991 bytes)

5. Re: [Amps] audio black magic TSPA (score: 1)
Author: "Keith Dutson" <kdutson@sbcglobal.net>
Date: Fri, 5 Aug 2005 14:48:19 -0500
That sure does count for QST too, and the other amateur magazines out there. -- - QST reviews are different from other magazines. They have nothing to gain by biasing their review one way or the oth
/archives//html/Amps/2005-08/msg00198.html (8,531 bytes)

6. Re: [Amps] audio black magic TSPA (score: 1)
Author: "Keith Dutson" <kdutson@sbcglobal.net>
Date: Fri, 5 Aug 2005 15:25:20 -0500
You must not read QST reviews very often, or you would see they are different. 73, Keith NM5G They get advertising dollars don't they? All I can say is I know 1-2 on this very mailer that has some st
/archives//html/Amps/2005-08/msg00201.html (9,938 bytes)

7. Re: [Amps] ARD-230A (score: 1)
Author: "Keith Dutson" <kdutson@sbcglobal.net>
Date: Fri, 12 Aug 2005 08:23:31 -0500
Be prepared to treat it as if you built it yourself. Parts are scarce. 73, Keith NM5G Hi Amperes, I am in process to make a difficult decision, whether to buy an Advanced Radio Devices Amplifier ARD-
/archives//html/Amps/2005-08/msg00424.html (8,226 bytes)

8. [Amps] Grid Current Advice (score: 1)
Author: "Keith Dutson" <kdutson@sbcglobal.net>
Date: Mon, 15 Aug 2005 21:22:29 -0500
What is the maximum recommended grid current for a pair of Eimac 3-500G tubes? Thanks. 73, Keith NM5G _______________________________________________ Amps mailing list Amps@contesting.com http://list
/archives//html/Amps/2005-08/msg00538.html (6,901 bytes)

9. Re: [Amps] Grid Current Advice (score: 1)
Author: "Keith Dutson" <kdutson@sbcglobal.net>
Date: Tue, 16 Aug 2005 08:19:37 -0500
This sounds correct. They are putting out about 1500 watts at 300ma. Bumping to 400ma yields 1700+ watts delivered, but this is really pushing them hard. The almost instantaneous increase in ambient
/archives//html/Amps/2005-08/msg00550.html (9,763 bytes)

10. Re: [Amps] Sierra Electronics 5kW load/meter (score: 1)
Author: "Keith Dutson" <kdutson@sbcglobal.net>
Date: Wed, 17 Aug 2005 13:37:33 -0500
Does not look to be able to handle 5KW rms, maybe peak pulse only. I have the Palstar DL5K. It is quite a bit larger and has two large fans to help keep the two huge resistors cool. The resistors are
/archives//html/Amps/2005-08/msg00568.html (8,907 bytes)

11. Re: [Amps] Sierra Electronics 5kW load/meter (score: 1)
Author: "Keith Dutson" <kdutson@sbcglobal.net>
Date: Wed, 17 Aug 2005 14:01:27 -0500
You must be thinking about some other unit. The DL5K is 9"W x 8"H x 14"D and weighs 12 pounds. If you buy a new one you will have to take the cover off to remove the packing materials before using. T
/archives//html/Amps/2005-08/msg00571.html (11,180 bytes)

12. Re: [Amps] Alpha 78 Amp Restoration Complete (score: 1)
Author: "Keith Dutson" <kdutson@sbcglobal.net>
Date: Thu, 18 Aug 2005 10:21:44 -0500
Nice. Have you posted "before" photos for comparison? 73, Keith NM5G I just finished my Alpha 78 Amp Restoration. I put up some nice digital pics if anyone's interested. http://www.qsl.net/w4dj/alpha
/archives//html/Amps/2005-08/msg00593.html (7,999 bytes)

13. Re: [Amps] Palstar DL5K 5KW load (score: 1)
Author: "Keith Dutson" <kdutson@sbcglobal.net>
Date: Wed, 31 Aug 2005 13:29:04 -0500
Please take your opinion of ham radio elsewhere. We don't need it here. 73, Keith NM5G Theo, Joking around aside (I know Hal does run legal), the FCC does in fact descriminate over how many WPM one c
/archives//html/Amps/2005-08/msg00782.html (14,683 bytes)

14. Re: [Amps] Palstar DL5K 5KW load (score: 1)
Author: "Keith Dutson" <kdutson@sbcglobal.net>
Date: Wed, 31 Aug 2005 14:10:52 -0500
I cannot see where your opinion complies with the description of the amps list posted here. http://lists.contesting.com/mailman/listinfo/amps 73, Keith NM5G Uhhhh Keith, I thought you had to be a lic
/archives//html/Amps/2005-08/msg00786.html (11,815 bytes)

15. Re: [Amps] Screen Supply for 4CX250 series (score: 1)
Author: "Keith Dutson" <kdutson@sbcglobal.net>
Date: Sun, 11 Sep 2005 21:47:29 -0500
A typical MTBF for EISD hard drives is 500,000 hours. However, this is just a statistical benchmark figure used by manufacturers. It is NOT a guarantee by any means. 73, Keith NM5G --Original Message
/archives//html/Amps/2005-09/msg00096.html (9,610 bytes)

16. Re: [Amps] MTBF Thread... (score: 1)
Author: "Keith Dutson" <kdutson@sbcglobal.net>
Date: Wed, 14 Sep 2005 08:49:27 -0500
statistics! Touch&eacute;! Back to the origin, to address the question why MTBF can be so high when experience seems to be quite different, remember that making such a comparison is not valid. MTBF
/archives//html/Amps/2005-09/msg00118.html (7,011 bytes)

17. Re: [Amps] Alpha releases New Amp 9500 (score: 1)
Author: "Keith Dutson" <kdutson@sbcglobal.net>
Date: Fri, 16 Sep 2005 11:19:34 -0500
I respectfully disagree. I think anyone with an older computer that can afford one of these amps can surely afford to get a new PC that has USB. However, I must say I am not planning to purchase a 95
/archives//html/Amps/2005-09/msg00148.html (8,607 bytes)

18. Re: [Amps] Alpha releases New Amp 9500 (score: 1)
Author: "Keith Dutson" <kdutson@sbcglobal.net>
Date: Fri, 16 Sep 2005 12:41:25 -0500
Well said, and understood. But I think you may agree that the words "thrifty" and "Alpha" are likely in different market segments. :) 73, Keith NM5G _____ Hi Keith, you know how "thrifty" we are as a
/archives//html/Amps/2005-09/msg00151.html (10,490 bytes)

19. Re: [Amps] Alpha releases New Amp 9500 (score: 1)
Author: "Keith Dutson" <kdutson@sbcglobal.net>
Date: Sat, 17 Sep 2005 14:06:30 -0500
immediate sign of disappearing What, other than amateur radio equipment, can be purchased new today that uses RS-232 to connect to the PC? 73, Keith NM5G ____________________________________________
/archives//html/Amps/2005-09/msg00177.html (7,608 bytes)

20. Re: [Amps] Alpha releases New Amp 9500 (score: 1)
Author: "Keith Dutson" <kdutson@sbcglobal.net>
Date: Sat, 17 Sep 2005 16:59:10 -0500
That is encouraging to see, David. Hopefully we will still have serial port accessories for quite a few more years. I just hope amateur radio product manufacturers convert to a more modern interface
/archives//html/Amps/2005-09/msg00181.html (12,248 bytes)

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