The report contains 88 illustrated abstracts of papers presented at the 4th International Symposium on Equatorial Aeronomy. Topic areas include D region and below Solar and luna tidal variations Ionospheric current systems, electric fields geomagnetic variations and micropulsations Pogo satellite results E region F region Studies of equatorial scintillation and topside ionosphere Airglow.
See also report on Symposium no. 3, AD-713 199. Prepared in cooperation with Ibadan Univ. (Nigeria). Dept. of Physics.