EntityQ1651323· pop 7· linked from 130 articlesRelay programSign in to save1960s experimental communications satellitesConnectionsEnvironmental Research SatelliteEntityElektronEntityCape Canaveral Space Launch Complex 17Entity1962 in spaceflightEntity1964 in spaceflightEntityTokyoCityNASAConceptInternational Standard Book NumberEntityartificial satelliteEntityThe New York TimesEntityspacecraftEntitydigital object identifierEntityradiationEntityNBCEntity1964 Summer OlympicsEntitycommunications satelliteEntitybibcodeEntityAssassination of John F. KennedyConceptVan Allen radiation beltEntityQ118398EntityCategories1962 in spaceflight1964 in spaceflightCommunications satellitesHistory of telecommunicationsNASA programsSatellites of the United StatesSatellites orbiting EarthSpacecraft launched in 1962Spacecraft launched in 1964