Processed data naming system:
Es: downwelling irradiance
Lu: upwelling radiance
Lt: surface radiance
Lsky: sky radiance

Rrs: simply calculted by Lu/Es for HyperPro, and (Lt-0.028Lsky)/Es for HyperSAS. So It may be not remote sensing reflectance for HyperPro, be cautious.

time: time of measurement, first 2 digits-hour, 3-4 digits-min, last five digits-sec*10000
time_abs_: converted time relative to first scan

depth: this is unconverted depth, you have to convert the raw depth to 'real depth' by subtracting pressure tare and distances to pressure tare to Ed and Lu sensor. Ed to surface: 0.037 m; Lu to surface: 0.145 m. So Ed_depth=depth-10.507-0.037; Lu_depth=depth-10.507+0.145.

_hyper: hyperPro
_sas: hyperSAS

_med_: median
_SD_: standard deviation

_out_: after removing large tilting

for all _out_, _med_, _SD_ data, they are re-mapped to common wavelength vector (350:3:800)'.