Original poster: "uk-teslacoil.co.uk by way of Terry Fritz <twftesla-at-qwest-dot-net>" <duncanr-at-uk-teslacoil.co.uk> Hi All, just to let you all no that I have cleared up the RF interference, still gets some "snow" on the TV screen, so I will try a longer piece of copper pipe and a new RF filter on the mains. regards Duncan R(UK)