https://www.nasa.gov/image-detail/solar-spectral-flux-radiometer-installed-er-2/
Solar Spectral Flux Radiometer Installed in ER-2 - NASA
Alan Kittelman, University of Colorado, worked on the Solar Spectral Flux Radiometer installed on NASA's high-altitude ER-2 for the SEAC4RS mission.
spectral fluxer 2solarradiometerinstalled