2.2.2 spase://VSPO/NumericalData/Helios1/E1/PT1H Helios 1 E1 (Rosenbauer) Hourly Plasma Data 2012-04-11T10:42:31 These hourly averaged solar wind plasma data from the E1 Plasma Detectors (Rosenbauer) onboard the Helios 1 spacecraft include time, earth-sun-Helios angle, sun-Helios distance (AU), Carrington longitude of Helios, solar-ecliptic latitude, Carrington rotation number, proton bulk speed, temperature, number density, flow angles of ecliptic elevation and azimuth, standard deviations of the plasma parameters, and the number of data points in the hourly averages. Please acknowledge Helmut Rosenbauer (P.I.) and NSSDC. spase://SMWG/Person/Helmut.R.Rosenbauer PrincipalInvestigator Readme file at SPDF ftp://spdf.gsfc.nasa.gov/pub/data/helios/helios1/plasma/hour/he1plahr_fmt.txt spase://VSPO/NumericalData/P_HELIOS1_HDR_E1_PLASMA_1HR spase://SMWG/Repository/NASA/GSFC/SPDF Online Open FTP access to files at SPDF ftp://spdf.gsfc.nasa.gov/pub/data/helios/helios1/plasma/hour/ Via SPDF ftp HTTP access to files at SPDF http://spdf.gsfc.nasa.gov/pub/data/helios/helios1/plasma/hour/ In CDF via HTTP from SPDF Text spase://SMWG/Instrument/Helios1/E1 ThermalPlasma 1974-12-12T00:00:00 1984-12-29T00:00:00 PT1H Heliosphere.Inner