DocumentCode
1182683
Title
Characteristics of the Ionosphere at Washington, D.C., January to May, 1937
Author
Gilliland, R. ; Kirby, S.S. ; Smith, N. ; Reymer, S.E.
Author_Institution
National Bureau of Standards, Washington, D.C.
Volume
25
Issue
9
fYear
1937
Firstpage
1174
Lastpage
1184
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
Floods; Frequency measurement; Ionosphere; NIST; Network address translation; Radio transmitters; Rivers; US Department of Commerce;
fLanguage
English
Journal_Title
Radio Engineers, Proceedings of the Institute of
Publisher
ieee
ISSN
0731-5996
Type
jour
DOI
10.1109/JRPROC.1937.228539
Filename
1686473
Link To Document