EntityQ23741· pop 6· linked from 198 articlesBeacon Explorer CSign in to saveNASA research satellite of the Explorer programConnectionsExplorers ProgramEntityProtonEntityEarthConceptNASAConceptInternational Standard Book NumberEntityionEntityvoltEntitypublic domainEntitydigital object identifierEntityquartzEntityhertzEntitygeodesyEntityDoppler effectEntityGreenwich Mean TimeEntityJohns Hopkins UniversityEntityprismEntityionosphereEntityorbital periodEntityapsisEntitynylonEntityCategoriesBeacon ExplorerExplorers ProgramGeospace monitoring satellitesLaser ranging satellitesSource attributionSpacecraft launched in 1965