[AMRadio] AM IARU Region 2 Bandplan

Larry Szendrei ne1s at securespeed.us
Mon Mar 8 15:53:11 EST 2010

Bob Macklin wrote:
> All that is need for communications grade AM is 300Hz to 3KHz audio. Just 
> use a 6db/octave rolloff at 3KHz.
> There is not much 3KHz or higher energy in the human voice.And we are not 
> supposed to be playing music.
> B
All true, Bob.

But many of us enjoy listening to, and transmitting, full-fidelity 
audio. The human voice DOES sound better (to our ears, at least) when we 
do this. And if there is room on the band when we choose to operate, why 
the heck shouldn't we?


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