Index of /istp_public/data/helios/helios1/galactic_solar_cosmic-rays/hourly_avg_proton_flux
DATA2_DR005305_DR005305_20081125_081014/
SPHE-00690_nmc.html
helios1-2_fluxed-proton_74-097a-08b_76-003a-08b_DSC_0473.pdf