[mythtv-users] DVB in Guildford, UK...

Ivor Hewitt ivor at ivor.org
Mon Dec 13 16:40:24 UTC 2004


On Monday 13 Dec 2004 16:28, Ivor Hewitt wrote:
> On Monday 13 Dec 2004 15:16, Jules Gosnell wrote:
> > Are aerials directional ? Perhaps the one on my roof just happens to be
> > pointing more in the direction of the Guildford transmitter ?
>
> Um yes.... and polarised horizontally or vertically and some aerials are
> also 'tuned' to just pick up some frequencies (and thus cut out more
> interference). I did have a nice link somewhere about the aerial types...
> but googling will probably get the information quicker.
>
one quick google later....

http://www.dtg.org.uk/publications/books/r_book2.pdf
Has lots of interesting info about the frequencies and polarisation.

-- 
Ivor Hewitt.
http://www.ivor.it - tech | http://www.ivor.org - hedge


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