DocumentCode
1189058
Title
Characteristics of the Ionosphere at Washington, D.C., June, 1940, with Predictions for September, 1940
Author
Kirby, S. ; Smith, Nadia ; Gracely, F.
Volume
28
Issue
7
fYear
1940
fDate
7/1/1940 12:00:00 AM
Firstpage
334
Lastpage
335
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.
fLanguage
English
Journal_Title
Proceedings of the IRE
Publisher
ieee
ISSN
0096-8390
Type
jour
DOI
10.1109/JRPROC.1940.229351
Filename
1687195
Link To Document