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1. [Amps] Peak Power (score: 1): Author: "Edwin Karl" <edk0kl@centurytel.net>; Date: Sun, 15 Oct 2006 20:34:18 -0500; It would seem we are overlooking the ability of the final ampifier (in AM) to develop the RF necessary for such high peak values mentioned on this thread. In the 60's there was a trend in AM broadcas; /archives//html/Amps/2006-10/msg00155.html (7,514 bytes)
2. Re: [Amps] Peak Power (score: 1): Author: "Harold Mandel" <ka1xo@juno.com>; Date: Mon, 16 Oct 2006 07:33:04 -0400; Dear Ed, You are entirely correct about 200% modulation in AM commercial rigs. This was in the day when modulation reactors were driven by a push-pull set of hefty tubes. With the right iron you coul; /archives//html/Amps/2006-10/msg00164.html (8,093 bytes)
3. Re: [Amps] Peak Power (score: 1): Author: "Robert B. Bonner" <rbonner@qro.com>; Date: Mon, 16 Oct 2006 07:53:34 -0500; **At that point the FCC decided to establish a rule of +125% positive modulation peaks. And for ham radio... What is the maximum percentage of modulation allowed in a class C plate modulated AM trans; /archives//html/Amps/2006-10/msg00165.html (8,829 bytes)
4. Re: [Amps] Peak Power (score: 1): Author: "k7fm" <k7fm@teleport.com>; Date: Mon, 16 Oct 2006 06:37:26 -0700; "SO? The guy who runs the two hole 77 would be TOAST in this scenario. All I can suggest is if there's a knock at your door... The loading control goes to ZERO and the exciter power control goes to z; /archives//html/Amps/2006-10/msg00170.html (8,273 bytes)
5. Re: [Amps] Peak Power (score: 1): Author: Gudguyham@aol.com; Date: Mon, 16 Oct 2006 10:09:58 EDT; The inspector looked around and found a power switch under the console. Ahhh, another case solved by the infamous "hidden switch". Better find a better hiding space for that switch guys.......Lou ___; /archives//html/Amps/2006-10/msg00172.html (7,497 bytes)
6. Re: [Amps] Peak Power (score: 1): Author: Gudguyham@aol.com; Date: Mon, 16 Oct 2006 10:11:38 EDT; if Mr. Plummer or associates would visit the station and record meter settings. Hal. in my day and local it was David Popkin. _______________________________________________ Amps mailing list Amps@co; /archives//html/Amps/2006-10/msg00173.html (7,384 bytes)
7. Re: [Amps] Peak Power (score: 1): Author: "Harold Mandel" <ka1xo@juno.com>; Date: Mon, 16 Oct 2006 10:37:25 -0400; What does it matter how much power is capable of being generated by an amateur station when the operator monitors the power output so as not to exceed the limitations of his license class and the lim; /archives//html/Amps/2006-10/msg00174.html (10,086 bytes)
8. Re: [Amps] Peak Power (score: 1): Author: "Robert B. Bonner" <rbonner@qro.com>; Date: Mon, 16 Oct 2006 11:28:03 -0500; You make some interesting points Hal, Sort of funny that my bud was cited by them OPERATING his transmitter not him. While he had a Bird 43 (what the feds consider the only real wattmeter) his was no; /archives//html/Amps/2006-10/msg00177.html (11,883 bytes)
9. Re: [Amps] Peak Power (score: 1): Author: Gudguyham@aol.com; Date: Mon, 16 Oct 2006 12:45:25 EDT; Broadcasters are required to have Log Entries for the transmitter (at least they used to), that shows the plate voltage, plate current, etc. This was used for the Proof-Of-Performance testing and to; /archives//html/Amps/2006-10/msg00178.html (8,068 bytes)
10. Re: [Amps] Peak Power (score: 1): Author: Vic K2VCO <vic@rakefet.com>; Date: Mon, 16 Oct 2006 08:07:40 -0700; That wouldn't help. The procedure they followed way back when they cared about this kind of thing was to make a field strength measurement out in the street. Then they went into the station and had t; /archives//html/Amps/2006-10/msg00186.html (8,092 bytes)

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