This is an easy 4 stage multi-cache:
At the above co-ordinates (Stage 1), find the number in the circle disk =A
At Stage 2 look for the numbers above and below the H =BC and D
At Stage 3 find the numbers in the circle disks =EFG
You will find the cache at: N 50° 59.(A+1)(G+2)(B-2) W 001° 18.(E+1)C(D+F)
Don't forget to bring a pen