The cache is not at the posted coordinates. Solve the puzzle to find the cache location.
Congratulations to Sleuthers for FTF!!
Cache is at: N39 ab.cde W105 fg.hjk
a = E + F
b = B - C
c = B - D
d = H - L
e = E - I
f = A - D
g = D + I
h = K - M
j = A + I + L
k = F + G - J
You can validate your puzzle solution with certitude.
1. Cnegvgvba
2. Fuvxnxh
3. N+O+P+Q+R+S+T+U+V+W+X+Y+Z = 64
4. Pnpur: Fbhgu fvqr bs 2aq gerr sebz gur jrfg.