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21. [AMPS] continued Alpha work (score: 1): Author: wd7s@ARRL.NET (Paul Hewitt); Date: Sat, 2 Jun 2001 19:24:31 -0700; The easy test doesn't tell much. It Might be a better idea to check the grid current metering shunt and multiplier, (R-20 & R-22) from the negative meter terminal to ground while the meter switch is; /archives//html/Amps/2001-06/msg00022.html (9,441 bytes)
22. [AMPS] continued Alpha work (score: 1): Author: wd7s@ARRL.NET (Paul Hewitt); Date: Sun, 3 Jun 2001 05:44:23 -0700; That measurement should be from from the positive meter terminal to ground with the negative terminal disconnected, blurry eyes last nite!! -- FAQ on WWW: http://www.contesting.com/FAQ/amps Submissi; /archives//html/Amps/2001-06/msg00027.html (10,480 bytes)
23. [AMPS] Oh That Itchy Feeling (score: 1): Author: wd7s@ARRL.NET (Paul Hewitt); Date: Sun, 3 Jun 2001 08:37:11 -0700; For what it's worth, received direct replies from Peter Anderson and Ralph Rudak to an earlier post which had attached an v i r u s. Norton did it's job. Paul Paul Hewitt WD7S PRODUCTIONS QRO HOMEBRE; /archives//html/Amps/2001-06/msg00028.html (6,583 bytes)
24. [AMPS] e-mail (score: 1): Author: wd7s@ARRL.NET (Paul Hewitt); Date: Sun, 3 Jun 2001 13:17:23 -0700; Carl You have the w32.badtrans vir us, your sending it to all unopened e-mail in your inbox Paul Paul Hewitt WD7S PRODUCTIONS QRO HOMEBREW COMPONENTS http://wd7s.home.att.net -- FAQ on WWW: http://ww; /archives//html/Amps/2001-06/msg00034.html (7,879 bytes)
25. [AMPS] 4cx250* amp building plans (score: 1): Author: wd7s@ARRL.NET (Paul Hewitt); Date: Tue, 5 Jun 2001 08:57:05 -0700; The Bill Orr Handbook, sixteenth edition, describes a 10-20 meter cathode exited AB-1 amplifier using a pair of 4cx300a's. The twenty-first edition of the Bill Orr Handbook describes an 80-10 meter c; /archives//html/Amps/2001-06/msg00044.html (9,553 bytes)
26. [AMPS] 4cx250* amp building plans (score: 1): Author: wd7s@ARRL.NET (Paul Hewitt); Date: Wed, 6 Jun 2001 05:56:45 -0700; Thanks Ian I don't understand how the phrase "grounded grid" was somehow seen in my post. Both designs I referred to use normal voltages on the grid and screen and RF by-passing for both. Neither amp; /archives//html/Amps/2001-06/msg00053.html (8,630 bytes)
27. [AMPS] Review of Palstar Antenna Tuner from Dayton (score: 1): Author: wd7s@ARRL.NET (Paul Hewitt); Date: Tue, 19 Jun 2001 18:21:09 -0700; That's interesting Jim. According to an e-mail two weeks ago from Paul Hrivnak at Palstar the RI28HP roller inductor used in the AT4K tuner is made from scratch at their facility. I can't speak for t; /archives//html/Amps/2001-06/msg00173.html (12,670 bytes)
28. [AMPS] Review of Palstar Antenna Tuner from Dayton (score: 1): Author: wd7s@ARRL.NET (Paul Hewitt); Date: Tue, 19 Jun 2001 19:38:03 -0700; I thought that might be the case Jim, I hope the change is for the better, call me an optimist! Paul Paul Hewitt WD7S PRODUCTIONS QRO HOMEBREW COMPONENTS http://wd7s.home.att.net -- FAQ on WWW: http:; /archives//html/Amps/2001-06/msg00175.html (8,733 bytes)
29. [AMPS] Collins 30L-1 diagram (score: 1): Author: wd7s@ARRL.NET (Paul Hewitt); Date: Sun, 24 Jun 2001 13:53:45 -0700; This is a multi-part message in MIME format. --=_NextPart_000_0000_01C0FCB5.165C4600 Content-Type: text/plain; charset="iso-8859-7" Content-Transfer-Encoding: 7bit Try http://sonic.ucdavis.edu/so0200; /archives//html/Amps/2001-06/msg00271.html (10,532 bytes)
30. [AMPS] Air Variable Caps (score: 1): Author: wd7s@ARRL.NET (Paul Hewitt); Date: Wed, 9 May 2001 07:20:54 -0700; Does anyone know of a source of PC mount miniature air variable capacitors. 200 volt at approx 45pf max Thanks, Paul Paul Hewitt WD7S PRODUCTIONS QRO HOMEBREW COMPONENTS http://wd7s.home.att.net -- F; /archives//html/Amps/2001-05/msg00139.html (6,620 bytes)
31. [AMPS] Electrolytics (score: 1): Author: wd7s@ARRL.NET (Paul Hewitt); Date: Thu, 24 May 2001 08:15:09 -0700; Hello Steve I've been running capacitor banks made of 330uf @450v 85c snap-ins with a fwb for over 18 months now with fine results in two 4KV 1A supplies. I deliberately pull cooling air over the ban; /archives//html/Amps/2001-05/msg00408.html (9,933 bytes)
32. [AMPS] Input impedance (score: 1): Author: wd7s@ARRL.NET (Paul Hewitt); Date: Fri, 25 May 2001 08:17:50 -0700; Hi Bill The formula for determining the input impedance for a triode operated in grounded grid is given in the Bill Orr handbooks. In the 21st edition on page 7.18. In the 23rd edition (newest one)on; /archives//html/Amps/2001-05/msg00431.html (9,059 bytes)

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