The cache is not hidden at the given coordinaltes
You have to first of all complete the Adventure Lab where you will be given the information to work out where the cache is.
The stages of the Adventure Lab cache are shown here as Waypoints for anyone prefering to use a GPSr or caching app to get to the 5 locations. Though of course you will still need to use the Adlab app to see and answer the questions.
N53 48.ABC W001 46.DB(A+B)