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Only 4 - some early TV's had many more station
buttons. It obviously never would have worked very
well.
A reason to switch off the analogue
transmitters
sooner ? Perhaps it will last as long as metrification!
Steve.
----- Original Message -----
Sent: Sunday, September 23, 2001 9:35
AM
Subject: RE: [ukha_d] OnDigital Signal
Breakup...
Many people had the same problem with CH5.
35
&
37 were assigned to channel 5 for large parts of the country and
many
people needed a wideband aerial to get CH5.
The basic
problems
are...
1. The channels spacing were only ever designed to accomodate 4
channels.
2. The UK is physically too small to have the number of
transmitters it
does.
Most of the time the signals will keep
within
the defined boundaries of the
transmitter footprint, but in the summer,
atmospheric conditions make the
signals travel much further into other
areas using the same frequencies. Now
the 7 extra channels are needed
everywhere (CH5 + 6 Muxes) anything being
received on those frequencies
will mess up reception.
Because of the above problems with skip,
Channel 5 is often at a much lower
power than Ch 1-4. Digital can work
with
much lower levels but if it happens
to get swamped by a strong analogue
signal you lose digital.
Keith
> -----Original
Message-----
> From: Phil Harris
[mailto:phillip.harris1@xxxxxxx]
> Sent: 22 September 2001
23:01
> To: ukha_d@xxxxxxx> Subject: RE: [ukha_d]
OnDigital Signal Breakup...
>
>
> I have no objection to
then being in with the analogue channels ... what
> bums me off is
that
out here almost everyone needs a new wideband aerial
> when they
switch
to digital as the ITV MUX is completely the
> opposite end of
>
the band from all the others and hence fallsoutside the reception of
a
>
narrow band aerial...
>
>
Phil
>
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