[Laser] ARRL "coherent"

[Karel Kulhavy]

> I would like to add a few comments on the issue of the ARRL recognizing  only 
> transmissions from coherent sources.  It comes from one of  the general rules 
> for contests above 50 MHz that they publish.   The particular rule applies 
> only to the frequency band "all above 300 GHz" which  the FCC allocates to 
> licensed amateur radio operators ( and as a practical  matter not exclusively).  

Do you have to be a licensed amateur radio operateur to operate a
lightbulb?

Cl<