On Mon, 10 Dec 2007 07:38:56 -0000 someone who may be "Michael
Shergold" wrote this:-

What sits on the roof has also got to be wind and
salt resistant as I am about 50 metres from the sea

A good reason for using vacuum tubes. Salt doesn't affect the glass
of the tube. As has been said, Navitron are the people to look at to
DIY.


--
David Hansen, Edinburgh
I will *always* explain revoked encryption keys, unless RIP prevents me
http://www.opsi.gov.uk/acts/acts2000/00023--e.htm#54