Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleEmpirical models of the electron concentration of the ionosphere and their value for radio communications purposes.AuthorsDudeney, John R.; Kressman, Richard I.PublicationRadio Science, 1986, Vol 21, Issue 3, p319ISSN0048-6604Publication typeArticleDOI10.1029/RS021i003p00319