On Mon, 28 Feb 2005 17:14:27 -0500, Tom Rauch wrote:
>I only know what we measured and extrapolated to FCC
>conductivity Jim using stations at the high end of the AM
>BCB.
>
>We did that by measuring the slope of attenuation with
>distance.
That's exactly what I would do, based on what I learned as a young
EE student working for Pete Johnson in his BC consulting business
around 1962. Pete and Carl Smith wrote the FCC's technical regs on
AM broadcasting in the 40's.
Jim Brown K9YC
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