In article , Niall
wrote:

It is a very good idea to replace the nasty old cheap brown co-ax with
decent low loss cable.

If you need to. If you get 100% signal on all muxes, why bother.

Because the HF loss is greater than decent cable, but mostly because the
screening of ordinary cable is inadequate to keep pulse interference out,
which can lead to breakup.


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AJL Electronics (G6FGO) Ltd : Satellite and TV aerial systems
http://www.classicmicrocars.co.uk : http://www.ajlelectronics.co.uk