Title :
Ionization in the Upper Atmosphere
Author_Institution :
Naval Research Laboratory, Bellevue, Washington, D. C.
Keywords :
Atmosphere; Earth; Electrons; Helium; Hydrogen; Ionization; Ionizing radiation; Laboratories; Spontaneous emission; Sun;
Journal_Title :
Radio Engineers, Proceedings of the Institute of
DOI :
10.1109/JRPROC.1928.221375
