I havn't seen the Telegraph article
I think this is it mate...
Glenn Miller death: teenage planespotter's logbook 'scotches conspiracy theory' - Telegraph
Where is Woodley Airfield (approx) on this map?
Over the first letter ‘E’ is a small ‘S’, understood to denote that the teenager was standing to the starboard side of the aircraft, suggesting he was viewing it slightly to the south.
What sort of height would it have been flying by at? You know where I'm heading with this...