01412oam 2200409 450 991070730100332120160519123823.0(CKB)5470000002462493(OCoLC)949930608(EXLCZ)99547000000246249320160519d1978 ua 0engur|||||||||||txtrdacontentcrdamediacrrdacarrierSelected disturbed D-region electron density profiles their relation to the undisturbed D-region /by L.F. McNamaraBoulder, Colorado :World Data Center A for Solar-Terrestrial Physics,1978.1 online resource (ii, 50 pages) illustrationsReport UAG ;69"October 1978."Title from title screen (viewed May 19, 2016).Includes bibliographical references (page 2).Selected disturbed D-region electron density profiles D regionIonospheric electron densityD region.Ionospheric electron density.McNamara L. F.1387486World Data Center A for Solar-Terrestrial Physics,GPOGPOGPOBOOK9910707301003321Selected disturbed D-region electron density profiles3437384UNINA