[Elecraft] Hearing CW - Fundamental Keying Waveform?

[Geoffrey Mackenzie-Kennedy]

On 9/20/2006 at 3:03 PM, Mike W8UR wrote:

> 97.307(a) No amateur station transmission shall occupy more bandwidth than 
> necessary for the information rate and emission type being transmitted, in 
> accordance with good amateur practice.
>
> (b) Emissions resulting from modulation must be confined to the band or 
> segment available to the control operator. Emissions outside the necessary 
> bandwidth must not cause splatter or keyclick interference to operations 
> on adjacent frequencies.

<snip>

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To digress to SSB for a moment, (a) means IMHO that the *necessary* 
bandwidth should not be greater than 2.2 kHz for voice. Very good 'smooth 
sounding' and effective voice SSB can be produced using a filter of this 
bandwidth.

Sorry for the digression.

73,
Geoff
GM4ESD