My work on the buoy has been a multi-year project. We completed a 5-day operational test in May of 2023 as we work towards the final deployment. Below are just a few photos of the buoy in its various stages. GitHub here:
Top of the wellhead
Lowering internals into the buoy's well
Attaching sensors to the frame
Moving the buoy for the operational test
Getting the buoy in position
During the 5-day operational test
Solar panel, batteries, datalogger, and frame for the buoy
Buoy internals (not a completed photo)
Temporary PAR sensor holders (PVC pipe and zip ties are wonderful things)