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1) Helios 1 E6 (Kunow) Hourly Particle Fluxes maxmize
Resource ID:spase://VEPO/NumericalData/Helios1/E6/PT1H
Start:1974-12-11 00:00:00 Observatory:Helios 1 Cadence:1 hour
Stop:1983-12-31 00:00:00 Instrument:Cosmic Ray Particles Resource:NumericalData
Data set records contain fluxes of protons in 5 energy ranges (4-13, 13-27, 27-37, 37-51, >51 MeV), alpha particles in 6 energy ranges (2-4, 4-13, 13-27, 27-37, 37-48, >48 MeV/n), and electrons in 2 ranges (0.3-0.8, 0.8-2.0 MeV). The fluxes are averaged over intervals of approximately one hour. Each "data record" (having ending CR and/or LF) spans 4-5 hours and has 10 time-overlapping segments. Each segment has averaging start and stop times plus words for 13 fluxes and words for the statistical uncertainties in the 13 fluxes. However, most words in a given segment have fill values, such that good values for a given flux (species and energy range) and its uncertainty appear only in a minority of the segments. No spacecraft position information is included. Data are from the E6 experiment on Helios 1.

2) Helios 1 E7 (Trainor) 30-min fluxes and rates maxmize
Resource ID:spase://VEPO/NumericalData/Helios1/E7/PT30M
Start:1974-12-16 00:00:00 Observatory:Helios 1 Cadence:30 minutes
Stop:1982-12-31 00:00:00 Instrument:Galactic and Solar Cosmic Rays Resource:NumericalData
This data set, created in 2010 by Nand Lal, contains 30-min resolution fluxes and count rates of energetic protons, alpha particles, electrons and X-rays from the E7 experiment (P.I.: J. Trainor, GSFC) flown on the Helios 1 spacecraft. Accompanying each flux and count rate is a statistical uncertainty of the flux or rate. The data are spin-averaged. The data are in 920-character ASCII records and consist of: A. Proton fluxes based on pulse height and rate data in 7 energy windows, 3.40-6.05, 6.05-11.10, 11.10-21.60, 24.52-28.82, 32.00-46.30, 45.30-57.22, 135.2-206.5 MeV. B. Alpha particle fluxes based on pulse heights and count rates in 6 energy windows, 3.20-4.98, 4.98-11.50, 11.50-21.60, 24.51-31.12, 31.12-45.53, 45.53-57.53 MeV/n. C. Combined proton plus alpha particle fluxes based on LET1 and HET count rates in 6 energy windows, 3-6, 6-11, 11-21, 20-30, 32-45, 45-56 MeV/n. D. Alpha particle fluxes based on HET count rates in three energy windows, 20-30, 32-45, 45-57 MeV/n. E. Two count rates primarily due to electrons at 2-4 and 4-8 MeV. F. 21 additional count rates corresponding to individual telescope sensors or sensor combinations. For one sensor, rates at each of several discrimination levels are given). These rates are further discussed in the documentation and in the references provided. A subset of the above parameters (A, B, E) are available with graphical display at the OMNIWeb-Plus interface identified below

3) Helios 1 E8 (Keppler) Hourly Particle Fluxes maxmize
Resource ID:spase://VEPO/NumericalData/Helios1/E8/PT1H
Start:1974-12-10 00:00:00 Observatory:Helios 1 Cadence:1 hour
Stop:1980-12-31 00:00:00 Instrument:Energetic Electron and Proton Detector Resource:NumericalData
Data set records contain hourly count rates of protons and electrons in 16 energy ranges (protons: 15 differential channels between 21 and 677 keV, plus >677 keV; electrons: 15 differential channels between 17 and 835 keV, plus >835 keV), each in 16 22.5 deg azimuthal sectors. Accumulation times for each count rate are also given. No spacecraft position information is included. Data are from the E8 experiment on Helios 1.

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