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  1. 1
    Published 1931
    Subjects “...Radio wave propagation....”
    Journal
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    Report /
  2. 2
    by Anduaga, Aitor
    Published 2009
    Subjects “...Ionospheric radio wave propagation Research Government policy Great Britain History 20th century....”
    Contributor biographical information
    Publisher description
    Book
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    Wireless and empire : geopolitics, radio industry, and ionosphere in the British Empire, 1918-1939 /

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