Radar Reflexions from Auroras

Abstract

RADIO echoes on a frequency of 46 Mc./s. have been reported by Lovell, Clegg and Ellyett1. They have been observed also on a frequency of 32.7 Mc./s. by McKinley and Millman2, incidental to their studies of meteor ionization. More recently, a systematic search for such echoes has been made at Saskatoon, Canada, using radar equipment having frequencies of 3,000 Mc./s. and 106.5 Mc./s. During this search, echoes have been observed regularly on the lower frequency but not at all on the higher one.

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References

  1. 1

    Lovell, Clegg and Ellyett, Nature, 160, 372 (1947).

  2. 2

    McKinley and Millman (private communication).

  3. 3

    Petrie, Forsyth and McConechy, Nature, 163, 774 (1949).

  4. 4

    Forsyth, Petrie and Currie, Nature, 164, 453 (1949).

  5. 5

    Herlofsen, Nature, 160, 867 (1947).

  6. 6

    Appleton and Builder, Proc. Phys. Soc., 45, 208 (1933).

  7. 7

    Tonks and Langmuir, Phys. Rev., 33, 195 (1929).

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FORSYTH, P., PETRIE, W., VAWTER, F. et al. Radar Reflexions from Auroras. Nature 165, 561–562 (1950). https://doi.org/10.1038/165561b0

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