Thanks Steve.     I wasn't actually worried. Just wondered if it was necessary.   Anyways, thanks for all your inputs. I gave it a go. Took me a while and there was one point I thought uh-oh that's not good!  However I carried on and I think (read: hope) I made it better not worse. Now just waiting for clear skies to check. Let's begin.. (the card between the primary/secondary helped enormously) Removed the card and was greeted with this... Crikey! A few twists and tur