The cache is not located at the posted coordinates but is within two miles.
A recent quest WAS all about the numbers. We hope you were keeping track of them, it will make this a lot easier.
Update note (7/27/2022): It's been a few years. If you are having trouble finding the info, drop us a line.
Special note: We wanted to have this ready before the first GBA picnic but it's really hard to find a clear spot in Sunnyvale!
Congratulations to Chrysalides for FTS, and lel_h for FTF honors.
You can validate your puzzle solution with certitude.