Re: [IRCA] Skywave noise
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Re: [IRCA] Skywave noise



On Tuesday 19 August 2008 01:28, Patrick Martin wrote:
> I wonder why HD on FM is not running the same percentage?

They're working on it!  As you probably know, iBiquity & friends are 
currently lobbying the FCC to allow digital power up to 10% of analog 
on FM.  As to why the AM and FM systems didn't have the same digital 
powers from the get go, there are a host of reasons.  Suffice it to 
say that they are quite different systems technically, on bands with 
very different propagation and allocation schemes.

Barry

-- 
Barry McLarnon  VE3JF  Ottawa, ON
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