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Re: OT? Digital TV Antennas

Posted by Kimba W. Lion on 09/06/07 01:47

davy <davy.2wgj9v@no.email.invalid> wrote:

>Digital transmissions are usually 'multiplexed'... channels transmitted
>in a group, this usually calls for a wideband antenna, one that can
>receive over a group of channels rather than one designed for a single
>group.

Like Channels 2 to 69 isn't wideband enough? DTV is broadcast in the same
frequency range as plain old TV. "Multiplexing" has nothing to do with it.

>Digital transmission's are usually of lower power than normal analogue
>transmissions,

And cover a wider area.

>unless the reception is exceptionally good any old
>antenna is not going to work,

Sure it will.

>Indoor antennas usually suffers from 'ghosting', due to phase
>differences caused by signal reflections.

Now this could be an issue. Signal reflections can cause reception problems
and because of the location of an indoor antenna, reflections can change
constantly.

>All you need is a loss of a single packet of the 'data stream' and
>you've got drop out... just like Sky TV in a heavy rain storm.... or a
>skipping and jumping CD or DVD.

If that were true, no one would ever be able to watch digital TV.

 

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