Back to matchesWe found a matchYour institution may have rights to this item. Sign in to continue.TitleEffect of time-dependent 3-D electron density gradients on high angle of incidence HF radiowave propagation.AuthorsZawdie, K. A.; Drob, D. P.; Huba, J. D.; Coker, C.PublicationRadio Science, 2016, Vol 51, Issue 7, p1131ISSN0048-6604Publication typeArticleDOI10.1002/2015RS005843