01524oam 2200481 450 991070426170332120160121101708.0(CKB)5470000002439057(OCoLC)746004957(EXLCZ)99547000000243905720110807d1976 ua 0engur|||||||||||txtrdacontentcrdamediacrrdacarrierCatalog of ionosphere vertical soundings dataBoulder, Colorado :World Data Center A for Solar-Terrestrial Physics, NOAA,1976.1 online resource (iii, 130 pages) illustrations, mapWorld Data Center A for Solar-Terrestrial Physics report UAG ;54"April 1976."Title from title screen (viewed January 21, 2016).IonosphereObservationsGeophysicsObservationsGeophysicsfastIonospherefastObservations.fastIonosphereGeophysicsGeophysics.Ionosphere.United States.National Oceanic and Atmospheric Administration.World Data Center A for Solar-Terrestrial Physics,OCLCEOCLCEOCLCQOCLCFOCLCOGPOBOOK9910704261703321Catalog of ionosphere vertical soundings data3254823UNINA