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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Institute for Telecommunication Sciences and Aeronomy (U.S.) - Bean, B. R. (Bradford R.),
    Publication info: Washington, U.S. Govt. Print. Off, 1966
    Holding Institution: MBLWHOI Library
    Subjects: Atmospheric radio refractivity  Charts, diagrams, etc