Until recently this post was hidden in heavy undergrowth, but it looks like the area is being cleared and the post has already taken some heavy damage.
I suspect the site is about to be completely lost, so visit soon if you want to see it. The inside of the post is currently accessible but its wet and not in great condition
Not exactly bomb proof was it!!
It wasn’t supposed to be. It was for observing the burst of nuclear weapons. their job was to report the bearing and estimate the distance and yield.
Here is a link to the Subterrania Brittanica entry for it http://www.subbrit.org.uk/rsg/roc/db/988102288.html