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Mark Carver
 
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wrote:
Seeing the other thread on FM and aerials has reminded me about
something I've been meaning to find out about.

I would like to have a proper FM aerial installed on the roof. The
thing is that there are two receivers that I would like to connect it
to. One is in the lounge at the front of the house and the other is in
the dining room at the back. One option would be to have the coax
coming down from the aerial, eirther at the front or the back of the
house, bring it into the house and then split it somehow. I'd rather
avoid this option to minimise internal disruption. I was wondering
instead how feasible it would be to have two separate wires coming from
the aerial - one going down to the front of the house and the other to
the back. Would this need some fancy splitter or something


Yes, a good quality low loss spitter.
www.maplin.co.uk code: QQ69A


or could
the two coax leads simply be wired into the same aerial.



NO ! Certainly not, you cannot parallel up RF in the same way as 50Hz lekky
:-) You have to use a proper RF splitter to avoid mismatches and reflections
within the cables.

If the signal is weak (not a problem by the sound of your description) you
should use an active splitter, or an amplifier in line *before* a passive
splitter. Have a sift in the Maplins site. Anything that covers the frequency
range of FM (88-108 MHz) will be suitable.

--
Mark
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