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References: [ +from:R@contesting.com: 541 ]

Total 541 documents matching your query.

361. Re: [Amps] *** SPAM *** Re: Hotswitching (score: 1)
Author: R@contesting.com;Measures <r@somis.org>
Date: Sun, 9 Apr 2006 03:36:25 -0700
I owned a 1963 VW bus that was 6v. Going mobile was an ordeal. A few years thereafter, when VW realized that they needed to up the voltage, a number of their engineers argued for 24v, but management
/archives//html/Amps/2006-04/msg00125.html (8,308 bytes)

362. Re: [Amps] Drake L-7 (score: 1)
Author: R@contesting.com;Measures <r@somis.org>
Date: Sun, 9 Apr 2006 03:44:31 -0700
Eimac, sheet-metal anode cooler 3-500Zs that were manufactured in the 1990s may have weak spotwelds in the cooler assembly. Rich Measures, 805.386.3734, AG6K, www.somis.org __________________________
/archives//html/Amps/2006-04/msg00126.html (7,867 bytes)

363. Re: [Amps] replacement filter caps (score: 1)
Author: R@contesting.com;Measures <r@somis.org>
Date: Sun, 9 Apr 2006 13:18:25 -0700
Apply 4 buttons of silicone-rubber to flat end, position on insulating board and allow si-rubber 24-hrs to cure. Wire caps with hookup wire. A 3w, 100k MOF resistor can be used to bleed each cap and
/archives//html/Amps/2006-04/msg00129.html (7,874 bytes)

364. Re: [Amps] Plate impedance (score: 1)
Author: R@contesting.com;Measures <r@somis.org>
Date: Mon, 10 Apr 2006 06:07:12 -0700
A factor of 1.8 is close enough. The exact factor is dependent on ZSAC, so there is no magic number written in stone. Rich Measures, 805.386.3734, AG6K, www.somis.org ________________________________
/archives//html/Amps/2006-04/msg00134.html (8,585 bytes)

365. Re: [Amps] Plate impedance (score: 1)
Author: R@contesting.com;Measures <r@somis.org>
Date: Mon, 10 Apr 2006 08:04:58 -0700
A plate is a shallow container that humans eat from. Rich Measures, 805.386.3734, AG6K, www.somis.org _______________________________________________ Amps mailing list Amps@contesting.com http://list
/archives//html/Amps/2006-04/msg00140.html (8,507 bytes)

366. Re: [Amps] Plate impedance (score: 1)
Author: R@contesting.com;Measures <r@somis.org>
Date: Mon, 10 Apr 2006 08:07:59 -0700
Q is set by the builder. RL divided by Q approximately determines XC1. Rich Measures, 805.386.3734, AG6K, www.somis.org _______________________________________________ Amps mailing list Amps@contesti
/archives//html/Amps/2006-04/msg00141.html (8,569 bytes)

367. Re: [Amps] Chimney Dimension (score: 1)
Author: R@contesting.com;Measures <r@somis.org>
Date: Tue, 11 Apr 2006 18:40:51 -0700
Unfortunately, the fins of an Eimac anode cap are oriented at a right angle to the air flowing through an Eimac chimney. Rich Measures, 805.386.3734, AG6K, www.somis.org _____________________________
/archives//html/Amps/2006-04/msg00191.html (8,495 bytes)

368. Re: [Amps] Relay (score: 1)
Author: R@contesting.com;Measures <r@somis.org>
Date: Wed, 12 Apr 2006 10:57:04 -0700
If you are planning on using a half-wave rectifier and C filter running direct off of 120vac to power the step-start relay, you will start with c. 150vdc under load, so you need to drop roughly 130v
/archives//html/Amps/2006-04/msg00201.html (8,317 bytes)

369. Re: [Amps] AM Downward Modulation (score: 1)
Author: R@contesting.com;Measures <r@somis.org>
Date: Thu, 13 Apr 2006 13:56:10 -0700
It means that the carrier is not set to 25% of PEP. Rich Measures, 805.386.3734, AG6K, www.somis.org _______________________________________________ Amps mailing list Amps@contesting.com http://lists
/archives//html/Amps/2006-04/msg00237.html (8,057 bytes)

370. Re: [Amps] dielectrics for PAs TSPA (score: 1)
Author: R@contesting.com;Measures <r@somis.org>
Date: Sat, 15 Apr 2006 03:46:58 -0700
ABS is okay for chimneys. Also, a microwaveable clear plastic food container with a snap on lid will serve as a chimney if suitable holes are cut for the socket, anode-cooler and for 4 screws with wh
/archives//html/Amps/2006-04/msg00272.html (7,726 bytes)

371. Re: [Amps] Strange power supply (score: 1)
Author: R@contesting.com;Measures <r@somis.org>
Date: Thu, 20 Apr 2006 05:57:37 -0700
Cats make a noise c. 6Hz. Rich Measures, 805.386.3734, AG6K, www.somis.org _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/li
/archives//html/Amps/2006-04/msg00310.html (8,455 bytes)

372. Re: [Amps] Strange power supply (score: 1)
Author: R@contesting.com;Measures <r@somis.org>
Date: Thu, 20 Apr 2006 06:02:28 -0700
The easy way to measure filter-C is to measure the time it takes for them to discharge through the bleeder / equalizer resistance to 37% of V-max. The formula is C = T/R. Rich Measures, 805.386.3734,
/archives//html/Amps/2006-04/msg00311.html (10,250 bytes)

373. [Amps] VISALIA (score: 1)
Author: R@contesting.com;Measures <r@somis.org>
Date: Thu, 20 Apr 2006 19:34:02 -0700
The current owner of the "Plywood Box" amplifier has agreed to sell it back to the builder -- i. e., me. The amplifier will be taken to the Visalia Convention. Is there anyone from L. A. County or Ve
/archives//html/Amps/2006-04/msg00319.html (6,406 bytes)

374. Re: [Amps] Glass Chimney for a 3CX1200D7 (score: 1)
Author: R@contesting.com;Measures <r@somis.org>
Date: Mon, 24 Apr 2006 04:10:08 -0700
By cutting a 3.4" dia. hole in the lid of a round, microwaveable food container, one has such a chimney. Rich Measures, 805.386.3734, AG6K, www.somis.org _____________________________________________
/archives//html/Amps/2006-04/msg00353.html (7,294 bytes)

375. Re: [Amps] Cal Lab (score: 1)
Author: R@contesting.com;Measures <r@somis.org>
Date: Mon, 24 Apr 2006 04:18:34 -0700
Designing accurate metering circuitry is an essential part of any amplifier construction project. Doing so also provides us with a good review of Ohm's Law and D.C. circuit analysis. Rich Measures, 8
/archives//html/Amps/2006-04/msg00354.html (10,744 bytes)

376. Re: [Amps] Cal Lab (score: 1)
Author: R@contesting.com;Measures <r@somis.org>
Date: Mon, 24 Apr 2006 04:30:05 -0700
Is there another amplifier discussion group like this one that does not have a censor? When hand tools become obsolete, so am I. Yes, I still own a 1940-model Stanley&reg; hand crank drill with a hol
/archives//html/Amps/2006-04/msg00355.html (10,021 bytes)

377. Re: [Amps] Glass Chimney for a 3CX1200D7 (score: 1)
Author: R@contesting.com;Measures <r@somis.org>
Date: Tue, 25 Apr 2006 03:11:25 -0700
These plastic containers have no label. Rich Measures, 805.386.3734, AG6K, www.somis.org _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.
/archives//html/Amps/2006-04/msg00371.html (8,625 bytes)

378. Re: [Amps] Plate Impedance, ARRL (score: 1)
Author: R@contesting.com;Measures <r@somis.org>
Date: Thu, 27 Apr 2006 02:28:35 -0700
When I was writing articles for Newington, the thorn in my side was sincere - but somewhat electronically ignorant - employees who were paid to make changes in manuscripts, or redraw schematic diagra
/archives//html/Amps/2006-04/msg00398.html (10,993 bytes)

379. Re: [Amps] Plate Impedance, ARRL (score: 1)
Author: R@contesting.com;Measures <r@somis.org>
Date: Thu, 27 Apr 2006 03:44:54 -0700
It was a bit more than just that. The principal force in Newington is seemingly not the vote of members, like Washington, D. C., it's the influence of greenbacks, and two amplifier manufacturers who
/archives//html/Amps/2006-04/msg00399.html (12,544 bytes)

380. Re: [Amps] New Elecraft Amps (score: 1)
Author: R@contesting.com;Measures <r@somis.org>
Date: Thu, 27 Apr 2006 03:51:18 -0700
The workaround is a piece of cake, put a different Silent Key's callsign on every amplifier you make. ( I got this idea from dead people voting in Chicago mayorial elections) Rich Measures, 805.386.3
/archives//html/Amps/2006-04/msg00400.html (9,405 bytes)

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