Abstract
AN investigation has recently been started to examine the natural electromagnetic background in the somewhat neglected frequency range of 0.1–30 c./s. At the high-frequency end of the interval this follows up the work of Menzel and Salisbury1, of Willis2 and of Goldberg3; and extends the work of Duffus and Shand4 at the Pacific Naval Laboratory, in the range 1,000–10 sec. period.
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References
Menzel, D. H., and Salisbury, W. W., Nature, 161, 91 (1948).
Willis, H. F., Nature, 161, 887 (1948).
Goldberg, P. A., Nature, 177, 1219 (1956).
Duffus, H. J., and Shand, J. A., Canad. J. Phys., April (1958).
Troyiçkaya, V. A., Abstracts of the Reports at the XI General Assembly of the I.U.G.G., 20 (1957).
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DUFFUS, H., NASMYTH, P., SHAND, J. et al. Sub-audible Geomagnetic Fluctuations. Nature 181, 1258–1259 (1958). https://doi.org/10.1038/1811258a0
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DOI: https://doi.org/10.1038/1811258a0
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