[BC] GE Superadio III vs. IBOC hash

[Robert Meuser]

Digital can solve noise, impulse noise and if properly coordinated a lot 
of co channel problems.

R


Kevin Tekel wrote:

> Robert Meuser wrote:
> > The problem with your statement is the the FCC or its predecessor set
> > up an unrealistic allocation system that has been further politically
> > corrupted over time.  Wideband radios do NOT work in today's practical
> > broadcast environment.  This is a sad but true fact, except that we CAN
> > employ some form of digital that will drastically improve the band and
> > move radio into a new dimension.
>
> Maybe so, but in that case we are going in the totally wrong direction
> with hybrid IBOC.  If the band is already too crowded for +/- 10 kHz
> analog to be practical, then +/- 15 kHz digital will be a total disaster,
> regardless if it "fits the mask" or not.
>
> And FWIW, exlcuding IBOC hash, most of the complaints I hear about AM
> reception these days aren't about adjacent-channel "monkey chatter";
> they're about noise, static, and nighttime co-channel interference.
> There are many AM stations out there whose signals get totally 
> murdered at
> night because they're unlucky enough to be on a "graveyard channel".  
> Even
> on a so-called "regional" channel, nighttime reception can become sketchy
> outside of a station's city-grade contour, and stations in the Expanded
> Band often get hit with heavy co-channel skywave interference.
>
> Restricting bandwidth -- at the transmitter and/or the receiver -- does
> nothing to alleviate co-channel interference, and it is highly
> questionable whether or not any kind of digital system (even DRM) 
> would be
> able to work under these conditions.  The only effective solution is to
> either clean out the band, or to pass a Constitutional amendment
> officially declaring skywave propagation to be obsolete and illegal.
>
>
>
>
>
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