Abstract
IN a recent letter1, Millington has published the results of an experiment designed to test his theory2 of the propagation of radio waves over a ‘mixed path’ consisting partly of land and partly of sea. Using a wavelength of about 4 metres, he obtained excellent confirmation of the occurrence of a recovery of field-strength after teaving land and passing over sea. This remarkable phenomenon, predicted by his theory, owes its existence to a vertical redistribution of energy near the coastline. Such redistribution is inevitable, because the field must vary with height in a different way on the two sides of the boundary.
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References
Millington, G., Nature, 163, 128 (1949).
Millington, G., Proc. Inst. Elect. Eng., 96, Pt. III, 53 (1949).
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ELSON, N. Ground-Wave Propagation Across a Land/Sea Boundary: 300-m. Waves. Nature 164, 114–116 (1949). https://doi.org/10.1038/164114b0
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DOI: https://doi.org/10.1038/164114b0
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Ground-Wave Propagation Across a Land/Sea Boundary
Nature (1950)