see:
http://www.avrovulcan.org.uk/andy_le...l6/navplot.htm Here the box is described as Decca Doppler 72.
Definatley DD 72M, that is the very lovely Maurice P*******n, earstwhile Flt Cdr Air 44 (R) Sqn. I am sat on his left and Pete L****n on his right.
3 Putts