- 1. Re: [Amps] Alpha 76/78 front panel 'flag' buttons (score: 1)
- Author: James Irving <k9jfk@yahoo.com>
- Date: Wed, 24 Mar 2010 11:07:48 -0700 (PDT)
- Not familiar with the Alpha, but switch and symptoms sound similar to a Dentron MT3000A antenna tuner Flag would come all the way out when button depressed, but go back to half when released. I fou
- /archives//html/Amps/2010-03/msg00561.html (8,520 bytes)
- 2. Re: [Amps] LCR meter (score: 1)
- Author: James Irving <k9jfk@yahoo.com>
- Date: Wed, 31 Mar 2010 13:40:53 -0700 (PDT)
- When measuring inductance or capacitance with the MFJ-259b readings vary, depending on the frequency. I usually run a part through a 10mhz sweep. There will be an area in the "middle" where the cal
- /archives//html/Amps/2010-03/msg00963.html (9,152 bytes)
- 3. Re: [Amps] Changing the subject line unnecessarily (score: 1)
- Author: James Irving <k9jfk@yahoo.com>
- Date: Sat, 3 Apr 2010 09:10:23 -0700 (PDT)
- Sometimes on reflector lists I have a tendency to think everyone on the list is "just like me". Tall, gorgeous, rich, extremely intelligent, with the same ideals and agenda... but that's a pipe drea
- /archives//html/Amps/2010-04/msg00037.html (9,465 bytes)
- 4. Re: [Amps] contact bounce (score: 1)
- Author: James Irving <k9jfk@yahoo.com>
- Date: Sun, 4 Apr 2010 09:08:16 -0700 (PDT)
- Someone recently described a way to "hot shot" a relay circuit. First...They proposed to double the voltage. Second... Put a resistor in series with the normal speed coil. Third... The faster speed r
- /archives//html/Amps/2010-04/msg00080.html (8,294 bytes)
- 5. Re: [Amps] liquid cooling (score: 1)
- Author: James Irving <k9jfk@yahoo.com>
- Date: Wed, 7 Apr 2010 15:51:22 -0700 (PDT)
- File this under things no one ever told you. Many years ago I spent several years as a technician for a very large organization. We specialized in testing advanced concepts, many of which became ver
- /archives//html/Amps/2010-04/msg00238.html (8,604 bytes)
- 6. [Amps] Subject: Re: Holes vs. screen for chassis ventilation? (score: 1)
- Author: James Irving <k9jfk@yahoo.com>
- Date: Wed, 6 Oct 2010 16:07:47 -0700 (PDT)
- American Science and Surplus sells stainless steel screening that is used for holding flasks over Bunsen burners. Cost is 2$US for a 6x6inch piece, but this should be available from any chemistry su
- /archives//html/Amps/2010-10/msg00065.html (7,753 bytes)
- 7. [Amps] Bk 875 LCR Meter: was Mallory Caps (score: 1)
- Author: James Irving <k9jfk@yahoo.com>
- Date: Wed, 30 Nov 2011 10:30:58 -0800 (PST)
- Hi Jim... The BK875 is a wonderful meter, along with a number of others, for LC work. However, for those of who wont', or can't, justify the cost, may I recommend the DM4070. Its available on ebay,
- /archives//html/Amps/2011-12/msg00004.html (10,871 bytes)
- 8. [Amps] Building your own air wound coils (score: 1)
- Author: James Irving <k9jfk@yahoo.com>
- Date: Tue, 24 Jul 2012 23:36:59 -0700 (PDT)
- References; www.arrl.org/files/file/Technology/tis/info/pdf/9708033.pdf also ad5x.com Jimmie, k9jfk ________________________________ From: "amps-request@contesting.com" <amps-request@contesting.com>
- /archives//html/Amps/2012-07/msg00265.html (8,176 bytes)
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