Re: DRM -Ain't- IBOC

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Article #495

#495

From: David Eduardo
Date: Mon, 15 Oct 2007 15:37

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"SFTV_troy" <SFTV_troy@yahoo.com> wrote in message 
news:1192458122.711698.116270@e34g2000pro.googlegroups.com...
> On Oct 13, 2:50 pm, Telamon
> <telamon_spamshi...@pacbell.net.is.invalid> wrote:
>>
>> Ok, here is a difference you should understand. DRM uses two separate
>> transmitters and antennas one digital and one analog. HD uses two
>> different exciters one digital and the other analog that input into the
>> same transmitter and antenna at the same time.
>
>
>
> Why does DRM have to use two separate antennas?  Why can't DRM use a
> combiner and output both signals through a single antenna?

Because the carrier frequencies are different... and because there is no 
analog component to DRM... to do analog requires a separate station, 
license, frequency.

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From: "David Eduardo" <david@davideduardo.com>
Newsgroups: rec.audio.tech,rec.audio.car,rec.radio.shortwave,ba.broadcast
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Subject: Re: DRM -Ain't- IBOC
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