The cache is not at the posted coordinates.
To locate this cache you will need to complete the "Welcome to Chidlow Adsventure Lab" and collect the clues from the joiurnal enties.
Link: https://adventurelab.page.link/Q9bu
Once you have the clues, rearrange them to form a simple sentence. Enter your solution into Certitude in capital letters and no spaces.
You can validate your puzzle solution with certitude.
Hope you enjoyed my Lab and Bonus