Egmont Village needed a cache. This is straightforward puzzle – solve the sudoku and do a bit of arithmetic to get the coordinates.
The container is a small sistema containing a log book and pencil.

The cache is located at S39o 08.ABC’ E174 o 09.DEF’.
Where: A=U+T, B=U-S, C=P-Q, D=R-T, E=S+Q, F=P-R
Check Sum = 32