Title :
Further Note on the Ionization in the Upper Atmosphere
Author_Institution :
Bell Telephone Laboratories, New York
Keywords :
Atmosphere; Atmospheric waves; Frequency; Ionization; Nonhomogeneous media; Propagation delay; Telephony; Writing;
Journal_Title :
Radio Engineers, Proceedings of the Institute of
DOI :
10.1109/JRPROC.1929.221822
