"Brian Gaff" writes:

and quite a lot of radio interference I noticed a few years ago when messing
around with a radio near a shop with them round the window.

Fairy lights are a well known cause of poor ADSL connections.

--
Alan J. Wylie http://www.wylie.me.uk/

Dance like no-one's watching. / Encrypt like everyone is.
Security is inversely proportional to convenience