Irregular Ionic Clouds in the E Layer of the Ionosphere


IT has recently been found that momentary ionospheric echoes from irregular heights, occasionally as low as 60 km. but generally between 100 and 300 km., can be obtained, even on frequencies well above the critical frequency, if a sufficiently high-power transmitter is used.

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ECKERSLEY, T. Irregular Ionic Clouds in the E Layer of the Ionosphere. Nature 140, 846–847 (1937).

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