Geocaching is quite enjoyable. It takes you to unusual and familiar places and challenges you to find what muggles cannot see. With the correct coordinates, we triangulate the cache's position and voila, smiley face!
To find this cache you will have to triangulate its position using the string of numbers below. You are looking for the minutes and seconds; ie: the cache is at S 27 ??.??? E 153 ??.???
8043710032085321497967253912083213491389211112153762046
Keepingupwith the theme of this cache, there are is a small FTF prize; three chances to win some eggcelent caching cash. As always, please re-hide as found...
UPDATE 3/7/15 - This cache is now open for all of the geocaching community. Happy hunting!
Happy hunting!
Congratulations to keepingupwith and egginthesky on their joint FTF last night. I have adjusted the description slightly to honour their find...

You can validate your puzzle solution with certitude.