The cache is not at the Given Coordinates but a Cell Tower is.
I used this code to solve lots of Puzzles back when everyone used Flip Phones. Now it's almost forgotten.
Solve for N26° 53.XXX W98° 09.YYY'
66 1 8 44 777 33 33 1 33 444 4 44 8 1 666 66 33
9 1 33 444 4 44 8 1 333 666 88 777 1 7777 33 888 33 66