WMO03660, High Wycombe, HQ-air (RAF High Wycombe)
51 40 54N 00 48 25W
Altitude 204 metres
Estimated Class 1S, marginal 9% hardstanding and objects within 100 metres, limit 10%, hedges have been excluded.
Note: is on the roof of a WWII underground bunker. May or may not be heated today, is under many feet of earth and concrete, negligible thermal conductance but leakage via ventilation and services might be significant.
UHI, local is undecided, distance, 50km centre of London.
Google Street view revealed the site in the woods has a… windsock. Maybe that’s regulations, Sir.
A little fun nearby.
Microsoft Bing here, use different zoom to get different age.
Changes every year, try exploring history.