DocumentCode
1188732
Title
Characteristics of the Ionosphere at Washington, D.C., March, 1940, with Predictions for June, 1940
Author
Gilliland, T.R. ; Kirby, S.S. ; Smith, N.
Author_Institution
National Bureau of Standards, Washington, D.C.
Volume
28
Issue
5
fYear
1940
fDate
5/1/1940 12:00:00 AM
Firstpage
236
Lastpage
238
Abstract
Data on the ordinary-wave critical frequencies and virtual heights of the ionospheric layers are presented for the period indicated in the title. The monthly average values of the maximum usable frequencies for undisturbed days, for radio transmission by way of the regular layers is also provided.
Keywords
Electrons; Equations; Frequency; Hafnium; Ionization; Ionosphere; NIST; Storms; US Department of Commerce; Voltage;
fLanguage
English
Journal_Title
Proceedings of the IRE
Publisher
ieee
ISSN
0096-8390
Type
jour
DOI
10.1109/JRPROC.1940.229067
Filename
1687156
Link To Document