Moderate spectral resolution solar irradiance measurements, aerosol optical depth, and solar transmission, from 360 to 1070 nm, using the refurbished rotating shadow band spectroradiometer (RSS)
Data sets
Quality-controlled data https://iop.archive.arm.gov/arm-iop/0pi-data/michalsky/RSS/
Index of /aftp/user/michalsky/asked_for_stuff/ https://gml.noaa.gov/aftp/user/michalsky/asked_for_stuff/