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21. [AMPS] Another "DC Filaments" question/thought.. (score: 1): Author: ccc@space.mit.edu (Chuck Counselman); Date: Wed, 1 Nov 2000 13:14:16 -0500; Yeah. What you missed is that "6.3VAC" is 6.3 root-mean-square (RMS) volts, which dissipates the same power in a resistive load as 6.3 V DC. What you're probably thinking of is the fact that the RMS; /archives//html/Amps/2000-11/msg00009.html (7,430 bytes)
22. [AMPS] AC on the plates??? (score: 1): Author: ccc@space.mit.edu (Chuck Counselman); Date: Thu, 2 Nov 2000 13:08:45 -0500; If you have single-phase AC service as I have, I suggest using two 813's back-to-back, each conducting on one-half cycle. The resulting 120-Hz note will sound smoother than a 60-Hz note. Hams with th; /archives//html/Amps/2000-11/msg00026.html (8,479 bytes)
23. [AMPS] Two Tone 2000 (score: 1): Author: ccc@space.mit.edu (Chuck Counselman); Date: Mon, 6 Nov 2000 23:45:20 -0500; That sounds like a good tool for testing an exciter, but since this is the AMPS list please allow me to mention that if you want to do a two-tone test of an AMP, then you need to present the undistor; /archives//html/Amps/2000-11/msg00079.html (7,299 bytes)
24. [AMPS] advice on an old SB-220 (score: 1): Author: ccc@space.mit.edu (Chuck Counselman); Date: Fri, 10 Nov 2000 16:54:00 -0500; This is as much a question as an answer, but FWIW: I know nothing about 3-500Z's, but a close friend and co-worker successfully degassed quite a few 50-year-old (WW II vintage) 807's and other relati; /archives//html/Amps/2000-11/msg00100.html (8,480 bytes)
25. [AMPS] 240VAC Amplifier Wiring (score: 1): Author: ccc@space.mit.edu (Chuck Counselman); Date: Tue, 14 Nov 2000 11:23:41 -0500; The local electrician had installed a four-pin (two phases, neutral, and ground) outlet in my shack, but when I got my Henry amp., its line cord had only three wires, which were for the two opposite; /archives//html/Amps/2000-11/msg00133.html (8,578 bytes)
26. [AMPS] 240VAC Amplifier Wiring (score: 1): Author: ccc@space.mit.edu (Chuck Counselman); Date: Tue, 14 Nov 2000 12:50:37 -0500; That's correct. The Henry needs and uses no neutral connection. There's a 120 VAC blower (or something -- I forget) in the Henry, but the Henry has a 24-to-120-VAC stepdown transformer just for this; /archives//html/Amps/2000-11/msg00142.html (9,833 bytes)
27. [AMPS] Eimac 3CX3000A7 cathode (score: 1): Author: ccc@space.mit.edu (Chuck Counselman); Date: Sat, 18 Nov 2000 11:18:12 -0500; I always thought that the 3CX3000A7 had a directly heated cathode (a thoriated tungsten filament), but the schematic for the Henry 8K Ultra clearly shows a cathode distinct from the filament. The fil; /archives//html/Amps/2000-11/msg00207.html (7,132 bytes)
28. [AMPS] Eimac 3CX3000A7 cathode (score: 1): Author: ccc@space.mit.edu (Chuck Counselman); Date: Sat, 18 Nov 2000 14:41:12 -0500; -Chuck -- FAQ on WWW: http://www.contesting.com/FAQ/amps Submissions: amps@contesting.com Administrative requests: amps-REQUEST@contesting.com Problems: owner-amps@contesting.com; /archives//html/Amps/2000-11/msg00211.html (7,075 bytes)
29. [AMPS] Hi Power Connectors (score: 1): Author: ccc@space.mit.edu (Chuck Counselman); Date: Tue, 21 Nov 2000 01:10:16 -0500; Thanks for the info. I'm interested in this thread because I, too, have wondered about the suitability of these connectors for high power. A couple of questions come to mind: 1. If N connectors are r; /archives//html/Amps/2000-11/msg00249.html (9,060 bytes)
30. [AMPS] Spark-plug gaps (score: 1): Author: ccc@space.mit.edu (Chuck Counselman); Date: Tue, 21 Nov 2000 01:28:21 -0500; I have a nice lightning-arrestor for parallel open-wire transmission-line that I bought from (I think) Press Jones, "The Wireman." This device uses a pair of Champion spark plugs, one for each wire,; /archives//html/Amps/2000-11/msg00252.html (8,155 bytes)
31. [AMPS] Spark-plug gaps (score: 1): Author: ccc@space.mit.edu (Chuck Counselman); Date: Tue, 21 Nov 2000 15:36:31 -0500; Although I suspect it's beyond the capability of anything I could do, I'm open to suggestion. What should I use for lightning protection on my open-wire line? -Chuck W1HIS -- FAQ on WWW: http://www.c; /archives//html/Amps/2000-11/msg00267.html (7,788 bytes)
32. [AMPS] Hi Power Connectors (score: 1): Author: ccc@space.mit.edu (Chuck Counselman); Date: Wed, 22 Nov 2000 12:21:22 -0500; The output connector on the Henry 8K Ultra (>>1kW), and the connectors on Henry's 10-kW LPF, are type N. -Chuck W1HIS -- FAQ on WWW: http://www.contesting.com/FAQ/amps Submissions: amps@contesting.co; /archives//html/Amps/2000-11/msg00309.html (8,985 bytes)
33. [AMPS] Hi Power Connectors (score: 1): Author: ccc@space.mit.edu (Chuck Counselman); Date: Wed, 22 Nov 2000 12:56:39 -0500; I don't know. For test purposes I've run the 8K Ultra into a water-cooled Bird load for several minutes at 3 kW, CW, and nothing happened, but it didn't occur to me to feel the connectors. (I felt th; /archives//html/Amps/2000-11/msg00318.html (9,505 bytes)
34. [AMPS] Hi Power Connectors (score: 1): Author: ccc@space.mit.edu (Chuck Counselman); Date: Mon, 27 Nov 2000 16:09:52 -0500; So the FCC can't find it? One of said problems being the FCC? What are the other problems? Neighbors with TVs and stereos? Or does the 10 kW get into refrigerators and dishwashers, too? Sorry if my q; /archives//html/Amps/2000-11/msg00389.html (9,381 bytes)
35. [AMPS] Hi Power Connectors (score: 1): Author: ccc@space.mit.edu (Chuck Counselman); Date: Tue, 28 Nov 2000 00:21:51 -0500; Sounds good to me. I am happy that my car is capable of going over 65 mph (or whatever the limit is). I'm happy that my amp is capable of putting out over 1500 W. I'm happy to have guns that are _cap; /archives//html/Amps/2000-11/msg00392.html (10,782 bytes)
36. [AMPS] Hi Power Connectors (score: 1): Author: ccc@space.mit.edu (Chuck Counselman); Date: Tue, 28 Nov 2000 12:03:11 -0500; Awesome. If I'd gone to that much trouble to generate power, I wouldn't want it wasted heating a loading coil and the ground under my vehicle. So I'd use an antenna that was more efficient than the u; /archives//html/Amps/2000-11/msg00405.html (9,293 bytes)
37. [AMPS] Hi Power Connectors (score: 1): Author: ccc@space.mit.edu (Chuck Counselman); Date: Tue, 28 Nov 2000 18:02:13 -0500; You mean, all this foolishness is for _CB_?!! Sheeeit. I thought it was for 160 m or 75 m AM phone. What's the URL of that "Shoot-out" website? -Chuck -- FAQ on WWW: http://www.contesting.com/FAQ/am; /archives//html/Amps/2000-11/msg00416.html (9,176 bytes)
38. [AMPS] MFJ-259B Question (score: 1): Author: ccc@space.mit.edu (Chuck Counselman); Date: Wed, 11 Oct 2000 07:31:40 -0400; My $200 Autek "vector" (R & X) impedance meter also suffers from limited range, but its worst limitation is that it can't measure the impedance of my antenna because I live near a 50-kW, 1510-kHz, br; /archives//html/Amps/2000-10/msg00176.html (8,553 bytes)
39. [AMPS] a sticky issue. (score: 1): Author: ccc@space.mit.edu (Chuck Counselman); Date: Sun, 15 Oct 2000 17:52:13 -0400; You mean Karnaugh maps. Carnot was the thermodynamicist. -C. -- FAQ on WWW: http://www.contesting.com/FAQ/amps Submissions: amps@contesting.com Administrative requests: amps-REQUEST@contesting.com Pr; /archives//html/Amps/2000-10/msg00339.html (8,843 bytes)
40. [AMPS] Plate Choke (score: 1): Author: ccc@space.mit.edu (Chuck Counselman); Date: Sat, 28 Oct 2000 11:26:10 -0400; Please excuse a novice's ignorant questions about plate chokes. OTOH, maybe I'm not the only AMPS subscriber who wonders. Is the lowest-frequency self-resonance a "parallel" resonance, i.e., such tha; /archives//html/Amps/2000-10/msg00632.html (7,301 bytes)

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