The Cache is not at the posted coords but is less than 2km away.
In order to know where the final is you will need to figure out this puzzle.
The Game of Sequence is a fun game that uses 2 decks of playing cards. By matching up the numbers of the cards that are behind the blocked out letters in order to come up with the final coordinates.
The final Coords are N 43 AB.CDE and W 80 VW.XYZ