Originally Posted by
Seloco
Yes Dave, there is that. But I was particularly interested in the crossing of the North Downs, which rise to more than 600' ASL... I guess it would be quite fun to find a recording and correlate the readings to the actual positions. I have no doubt our friends in light blue knew exactly what they were doing :-).
ZH875, he crossed the North Downs at 400' about 23.38 just to the south east of Wye.