• DocumentCode
    1183622
  • Title

    Characteristics of the Ionosphere at Washington, D.C., December, 1937

  • Author

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

  • Author_Institution
    National Bureau of Standards, Washington, D.C.
  • Volume
    26
  • Issue
    2
  • fYear
    1938
  • Firstpage
    236
  • Lastpage
    239
  • 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
    Frequency; Hafnium; Ionosphere; NIST; Observatories; Radio communication; 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.1938.228288
  • Filename
    1686586
    • Link To Document
    https://search.isc.ac/dl/search/defaultta.aspx?DTC=49&DC=1183622