After serious thinking Andrew Mawson wrote :
Well I learnt because I couldn't afford to pay a plumber when I bought
my first house! (or bricky or carpenter or electrician or a car
mechanic) Just rolling up your sleeves and applying common sense is a
remarkable self teaching course. They say necessity is the mother of
invention.

I could not agree more - that is what I had to do.

At least these days Google is hovering in the back ground
whispering in your ear.

A truly invaluable resource.

--
Regards,
Harry (M1BYT) (L)
http://www.ukradioamateur.co.uk