The Online Books Page

Online Books by

Kenneth P. Spies

Books from the extended shelves:

• Spies, Kenneth P.: Calculated mode conversion coefficients for graded height change in the earth-ionosphere waveguide at VLF (Boulder, Colo. : ESSA Research Laboratories, Office of the Director, 1968., 1968), also by James R. Wait and United States. Environmental Science Services Administration. Research Laboratories (page images at HathiTrust)
• Spies, Kenneth P.: Mode calculations for VLF propagation in the earth-ionosphere waveguide (distributed by U.S. Dept. of Commerce, Office of Technical Services, 1961), also by James R. Wait (page images at HathiTrust)

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