Don't forget mate, so long as there is a white background to begin with, she's good...
SHE? SHE? SHE?
You sexist bugger...........................
BTW Graeme, gamma is climb angle of an aeroplane.
The tangent of gamma is the climb gradient expressed as a percentage.
Doesn't the world just love a smartass...................
OK, I'll get me coat and I know where the door is........