2.2.2 spase://NASA/NumericalData/Zond-3/KS-18/Heliospheric/PT4H Russian MSU Zond-3 Heliopsheric Data 2020-07-07T21:16:06Z This set of heliospheric data in ASCII contains measurements of energetic particles by the KS-18 instrument onboard the third Russian space probe of the Zond series at heliocentric distances larger than 1 AU. It includes proton flux intensities at >30 MeV energy from Sun (gas-discharge counter) and at 1-5 MeV energy arriving from the direction perpendicular to the Sun-spacecraft line (stand-alone SSD sensor of 35 micron Si). Subdirectory /lownoise contains the same measured data but in its extra-rectified variant. Besides the trajectory data in two coordinate systesms, there are overview plots in GIF. Use of these data in publications should be accompanied by acknowledgements of the National Space Science Data Center(NSSDC), Space Physics Data Facility (SPDF) and TASPD SINP (Moscow). spase://SMWG/Person/Natalia.E.Papitashvili GeneralContact spase://VSPO/NumericalData/Zond-3/KS-18/Heliospheric/PT4H spase://SMWG/Repository/NASA/GSFC/SPDF Online Open FTPS from SPDF (not with most browsers) ftps://spdf.gsfc.nasa.gov/pub/data/russian_msu/zond-3/ In ASCII via SPDF HTTPS from SPDF https://spdf.gsfc.nasa.gov/pub/data/russian_msu/zond-3/ In CDF via HTTP from SPDF Text CALIBRATED spase://SMWG/Instrument/Zond-3/KS-18 EnergeticParticles 1965-07-19T00:00:00 1966-01-21T23:59:59 PT4H Heliosphere