[Elecraft] How "clean" is a clean signal?

David A. Belsley [email protected]
Mon Feb 23 22:58:00 2004


No, Ron, I was considering the Chirps and Bleeps and Grunts and time- 
and temperature-dependent oscillators that, for example, seem to be 
standard equipment on some R and U stations, and other stations with 
personality.

dave


On Feb 23, 2004, at 7:53 PM, Ron D'Eau Claire wrote:

> Dave, W1EUY, wrote:
> I guess it's worth mentioning that some of this 'personality' is
> illegal.
> ----------------------------------
>
> Are you referring to 97.307 of the FCC rules Dave?
>
> "    (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."
>
> I am told that was left intentionally very b-r-o-a-d with the statement
> "good amateur practice" simply to AVOID prohibiting a wide range of 
> signals
> and signal characteristics from rigs of virtually any design and age - 
> since
> the days of spark that is. Spark transmitters ARE specifically 
> prohibited -
> at least in the USA.
>
> Ron AC7AC
>
>
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