Letter | Published:

Dispersion of Whistlers

Naturevolume 193pages667668 (1962) | Download Citation



As recommended at the thirteenth General Assembly of the International Scientific Radio Union1 in London, observations of dispersion (D) of whistlers at calm and disturbed periods are very useful for the examination of geophysical phenomena and for their application to space communications, though very little has so far been done. Since the beginning of the International Geophysical Year (July 1957), we have observed D for 4 years at Toyokawa (geomag. co-ords.+24.5°, 203.5°) and at Wakkanai (geomag. co-ords.+35.3°, 206.0°) and obtained the following results.

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  1. 1

    Thirteenth General Assembly, U. R. S. L., IV, Besolution 4 (1960).

  2. 2

    Helliwell, R. A., Proc. Inst. Rod. Eng., 47, 200 (1959).

  3. 3

    Outsu, J., and Iwai, A., Inter. conf. Cos. Rays Storm, Kyoto, Preprint (1961).

  4. 4

    Alleock, G., and Morgan, M. G., J. Geophys. Res., 63, 573 (1958).

  5. 5

    Kimpara, A., Rep. Iono. Space Res. Japan, 14, 160 (1960).

  6. 6

    Kimpara, A., Proc. Res. Inst. Atmospherics, Nagoya Univ., 7, 40 (1960).

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  1. Research Institute of Atmospherics, Nagoya University, Toyokawa, Aichi-ken, Japan



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