• DocumentCode
    1184375
  • Title

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

  • Author

    Gilliland, T.R. ; Kirby, S.S. ; Smith, N.

  • Author_Institution
    National Bureau of Standards, Washington, D.C.
  • Volume
    26
  • Issue
    6
  • fYear
    1938
  • fDate
    6/1/1938 12:00:00 AM
  • Firstpage
    781
  • Lastpage
    785
  • 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
    Broadcasting; Frequency; Ionosphere; NIST; Radio communication; Reflection; Storms; 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.1938.228328
  • Filename
    1686675
    • Link To Document
    https://search.isc.ac/dl/search/defaultta.aspx?DTC=49&DC=1184375