The above listed coordinates are incorrect. However, viewing them in one of the many arial photography sites might help you in solving this puzzle, or at least get you started.
Knowing the passion of MSWAHOO is your greatest hint on solving this one!

Chmmyr: Jura lbh xabj vg...lbh jvyy xabj vg.
Uvqr: Guerr vf lbhe zntvp ahzore! Qba'g yrg guvf bar qenva lbh...