22/7 Mystery Cache

A nice easy maths puzzle released to help people get the Pi Day puzzle souvenir, by finding and logging on 14th March. Fully accessible to all, either by car or by several footpaths.

The final is at N 53° 47.ABC W 001° 25.DEF

A = The first plus the third decimal place

B = The first plus the fourth decimal place

C = The second decimal place

D = The third decimal place

E = The sixth decimal place

F = The first plus the second decimal place

Nice and easy. Good luck!

You can validate your puzzle solution with certitude.