Index of /istp_public/data/helios/helios2/galactic_solar_cosmic_rays/hourly_avg_proton_flux
DATA2_DR005303_DS005303_20081125_075540/
SPHE-00501_nmc.html
helios1-2_fluxed-proton_74-097a-08b_76-003a-08b_DSC_0473.pdf