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21. [Amps] Plasma Generator (score: 1): Author: n2bc@stny.rr.com (Bill Coleman); Date: Mon, 18 Mar 2002 07:55:16 -0500; Greetings, looking for advice. I have obtained a 2KW Plasma Generator - great price - free! It's a crystal osc. driving a 6146, driving a 5CX1500A. First chore is a bit of restoration, then get it ru; /archives//html/Amps/2002-03/msg00393.html (7,237 bytes)
22. [Amps] SB-220 for WARC bands (score: 1): Author: n2bc@stny.rr.com (Bill Coleman); Date: Thu, 21 Mar 2002 22:27:36 -0500; Why would anybody want to use an SB-220 on 30 Meters? ~~~~~~~~~~~~~~~~ Bill Coleman N2BC http://home.stny.rr.com/n2bc -- Original Message -- From: "Richard" <2@mail.vcnet.com> To: "Bert Almemo" <balm; /archives//html/Amps/2002-03/msg00492.html (7,976 bytes)
23. [Amps] Plate load value (score: 1): Author: n2bc@stny.rr.com (Bill Coleman); Date: Sun, 24 Mar 2002 18:28:34 -0500; I'm in the process of calculating the Pi net values for a project here. I see that some of the tube datasheets list "Resonant Load Impedance." What is the relationship between this and plate load [ R; /archives//html/Amps/2002-03/msg00559.html (7,869 bytes)
24. [AMPS] Meter faces... (score: 1): Author: n2bc@stny.rr.com (Bill Coleman); Date: Sat, 24 Nov 2001 07:57:50 -0500; This is a multi-part message in MIME format. --=_NextPart_000_0024_01C174BD.B6770960 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Hi George, I do "roll-m; /archives//html/Amps/2001-11/msg00408.html (14,724 bytes)
25. [AMPS] CIRCUIT BREAKER FOR TRANSFORMER PRIMARY CIRCUIT (score: 1): Author: Bill Coleman" <n2bc@stny.rr.com (Bill Coleman); Date: Sun, 7 Oct 2001 17:05:55 -0400; A word of warning.... I recently replaced the Federal Pacific circuit breaker panel in my home because it was full of circuit breakers that might fail! Some time ago I had an occurance of a short in; /archives//html/Amps/2001-10/msg00151.html (10,505 bytes)
26. [AMPS] SB-220 cooling (score: 1): Author: n2bc@stny.rr.com (n2bc@stny.rr.com); Date: Fri, 12 Oct 2001 11:53:15 GMT; Mike brings up an excellent point - "grabbing the wrong knob" Our club has an SB-220. It's used by all manner of folks & in the frenzy of a contest it gets lots of abuse. I found that changing the ba; /archives//html/Amps/2001-10/msg00291.html (8,836 bytes)
27. [AMPS] Input impedance (score: 1): Author: n2bc@stny.rr.com (Bill Coleman N2BC); Date: Thu, 24 May 2001 23:28:13 -0400; How does one determine / calculate the input impedance in a cathode driven GG circuit? A pointer to a book / article would be great. THX, Bill * * * * * * * * * * * * * * * * * Bill Coleman N2BC http; /archives//html/Amps/2001-05/msg00419.html (7,614 bytes)
28. [AMPS] HV Cable (score: 1): Author: n2bc@stny.rr.com (Bill Coleman); Date: Fri, 5 Jan 2001 22:19:45 -0500; Hello folks. What are y'all using for HV cable now-a-days? I have gradually used up my supply of Belden 7777 (appx .25" OD, #18) - took 20 years. Recently used a couple spools of automotive ignition; /archives//html/Amps/2001-01/msg00187.html (7,619 bytes)
29. [AMPS] Internet find (score: 1): Author: n2bc@stny.rr.com (Bill Coleman); Date: Mon, 1 May 2000 16:44:07 -0400; I hope this isn't a dupe. Saw a pointer in a reflector email to Barnhill Bolt. http://www.barnhillbolt.com/ These folks have lots of brass and stainless fasteners, great service and the prices beat t; /archives//html/Amps/2000-05/msg00012.html (6,943 bytes)
30. [AMPS] Practical PI Nets (score: 1): Author: n2bc@stny.rr.com (Bill Coleman); Date: Sun, 30 Apr 2000 19:17:40 -0400; I'm rebuilding an amp's PI-L tank from scratch. I have the values all calculated per W5FDs program. However I'm lacking in sophistocated test equipment... I can calculate the value of the inductors,; /archives//html/Amps/2000-04/msg00206.html (7,315 bytes)
31. [AMPS] Filter cap mounting (score: 1): Author: n2bc@stny.rr.com (Bill Coleman); Date: Wed, 15 Mar 2000 01:23:22 -0000; It's time to retire the WW2 oil caps in my HB amp. Want to build a 'holder' for 16 electrolytics. The questions are: what kind of plasic? Where can I get 10" x 10" x .25" pieces? Parameters of intere; /archives//html/Amps/2000-03/msg00683.html (7,087 bytes)
32. [AMPS] 4-400's wanted (score: 1): Author: n2bc@stny.rr.com (Bill Coleman); Date: Thu, 23 Mar 2000 02:31:51 -0000; Looking for FOUR 4-400s (that's a lot of for/4/fours !) Whatcha got? Also looking for opinions (not about G2DAF circuits pleeze - couldn't resist). Anybody have experience with RF Parts 4-400C or CG; /archives//html/Amps/2000-03/msg00920.html (6,730 bytes)
33. [AMPS] The perfect toob (score: 1): Author: n2bc@stny.rr.com (Bill Coleman); Date: Sun, 26 Mar 2000 19:34:53 -0000; Check this out: http://cgi.ebay.com/aw-cgi/eBayISAPI.dll?ViewItem&item=291297810 According to the description: "... transmitting tube use in radio transmitters, RF heating equipment, puttering..." Th; /archives//html/Amps/2000-03/msg00960.html (6,931 bytes)
34. [AMPS] 3/2 power law and Rich's very wide signal (score: 1): Author: n2bc@stny.rr.com (Bill Coleman); Date: Tue, 28 Mar 2000 21:04:16 -0000; Rich, why is the 8171 your favorite benchmark?? Seems to me that few of us have/need/use a 10KW dissipation tube. Other than the handles... is there some magic with this moose? -- Original Message --; /archives//html/Amps/2000-03/msg01021.html (11,678 bytes)
35. [AMPS] Alpha 89 Pin Diodes (score: 1): Author: n2bc@stny.rr.com (Bill Coleman); Date: Thu, 30 Mar 2000 18:51:50 -0500; This is a multi-part message in MIME format. --=_NextPart_000_005C_01BF9A79.01DC5340 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Hi John, I am not an Al; /archives//html/Amps/2000-03/msg01095.html (12,686 bytes)
36. [AMPS] Input Z (score: 1): Author: n2bc@stny.rr.com (Bill Coleman); Date: Sun, 27 Feb 2000 20:26:22 -0000; How do I determine / where can look up the input impedance for grid driven tetrodes? I'm not satisfied with the input circuit I have in there now and want to give it another try. THX, Bill N2BC -- FA; /archives//html/Amps/2000-02/msg00613.html (6,868 bytes)
37. [AMPS] Input Z (score: 1): Author: n2bc@stny.rr.com (Bill Coleman); Date: Mon, 28 Feb 2000 00:41:39 -0000; Thanks Rich. Here's where I display my stupidity... I was going to avoid a swamping R type of input circuit. But I suppose for a sand-state exciter the swamping R presents a more stable load - is thi; /archives//html/Amps/2000-02/msg00620.html (7,664 bytes)
38. [AMPS] KM1H (score: 1): Author: n2bc@stny.rr.com (Bill Coleman); Date: Mon, 1 Nov 1999 07:12:56 -0500; To: <amps@contesting.com> -- FAQ on WWW: http://www.contesting.com/ampsfaq.html Submissions: amps@contesting.com Administrative requests: amps-REQUEST@contesting.com Problems: owner-amps@contesting.; /archives//html/Amps/1999-11/msg00020.html (10,380 bytes)
39. [AMPS] Ergonomics (was SB-220 prob) (score: 1): Author: n2bc@stny.rr.com (Bill Coleman); Date: Thu, 11 Nov 1999 18:30:19 -0500; I for one have cranked the bandswitch on a '220 by mistake more than once... Our club has a 220 and since I only use it a few times/year & not used to it, I've given the bandswitch a crank or two wit; /archives//html/Amps/1999-11/msg00290.html (10,166 bytes)
40. [AMPS] cheap copper wire, and glass failure (score: 1): Author: n2bc@stny.rr.com (Bill Coleman); Date: Fri, 8 Oct 1999 13:32:32 -0400; At the risk of further extending a non-AMPS discussion... John mentions 'rebar' below - I assume (yes, I know what ASSuME spells) this refers to the rebar in his tower base. It is not a good idea to; /archives//html/Amps/1999-10/msg00304.html (10,697 bytes)

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