[BC] IBOC "secrets" and now, FM Cubed

[Craig Bowman]

Tom,

I believe the reason an STA is required it due to a non standard 
modulation type.

Craig Bowman
Durand, MI

Tom Bosscher wrote:
> Robert Meuser wrote:
>
> >With that approach you get two channels, one on each side. :-)  Why 
> petition?  They must just be spurious emissions per your mask.   
>    The reason I assume(d) one must ask for permission, is that while 
> the Ibiquity system stays within the mask, you must have an STA to use 
> it I barely understand the electronics I'm entrusted to maintain, and 
> I have zero legal qualifications for anything. So why, legally, does a 
> station have to ask the FCC for an STA, if the mask is not exceeded?
>
>    tom bosscher
>
>
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