Characteristics of the Ionosphere at Washington, D.C., September, 1938

Characteristics of the Ionosphere at Washington, D.C., September, 1938

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.

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Bibliographische Detailangaben
Veröffentlicht in:Proceedings of the Institute of Radio Engineers 1938-11, Vol.26 (11), p.1408-1410
Hauptverfasser: Gilliland, T.R., Kirby, S.S., Smith, N.
Format: Artikel
Sprache:eng
Schlagworte:
Frequency
Hafnium
Ionosphere
NIST
Observatories
Reflection
Storms
US Department of Commerce
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Beschreibung
Zusammenfassung: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.
ISSN:0731-5996
2162-6626
DOI:10.1109/JRPROC.1938.228829