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[Amps] RMS Power

To: <amps@contesting.com>
Subject: [Amps] RMS Power
From: Joseph DiPietro" <n2uf@joeham.net (Joseph DiPietro)
Date: Mon, 11 Nov 2002 09:54:21 -0500
DD-50 USS BALCH
CLASS - AYLWIN (Classified As A New Class, They Were Repeat CASSIN's) As
Built.
Displacement 1,072 Tons, Dimensions, 305' 3" (oa) x 31' 2" x 10' 6" (Max)
Armament 4 x 4"/50, 8 x 18" tt..
Machinery, 16,000 SHP; Direct Drive Turbines With Triple Expansion Cruising
Engines, 2 screws
Speed, 29.5 Knots, Crew 98.
Operational and Building Data
Laid down by Cramp, Philadelphia on May 7 1912.
Launched December 21 1912 and commissioned March 26 1914.
Decommissioned June 20 1922.
Balch lost her name to new construction on November 1 1933.
Stricken March 8 1935.
Fate Sold and broken up for scrap in 1935.


...And a Big THANK YOU to all the Veterans out there.

Joe DiPietro
N2UF
(USN 1976-1981, USNR 1981-1989)

----- Original Message -----
From: "Peter Chadwick" <Peter.Chadwick@zarlink.com>
To: <amps@contesting.com>; "'Bill Fuqua'" <wlfuqu00@uky.edu>
Sent: Monday, November 11, 2002 9:34 AM
Subject: RE: [Amps] RMS Power


> I think the idea of calling it 'rms power' is to distinguish it from 'PEP'
or
> 'Peak power', or from'average power'.
>
> In the latter case, it's obvious for a steady carrier, but the 'average'
power
> output of a  morse transmitter if measured as a time average, is very
variable
> for a given PEP.
>
> Another set of dumb things that that annoy are 'a.c. current', 'd.c.
current'
> and 'I.F. frequency'
>
> But isn't 'DD50' a particular US Navy destroyer?
>
> 73
>
> Peter G3RZP
>



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