Note on Kennelly‐Heaviside layer observations during a magnetic storm

Abstract
Observations of the Kennelly‐Heaviside layer by the echo‐method during the magnetic disturbance of October 17, 1928, showed an unusually great effective height and a change in echo‐pattern. Brief description is given of the method, and of the results obtained on undisturbed days, which are compared with those obtained during the disturbance. The marked changes observed make it clear that further records of this kind will be of great interest.

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