Memoirs of the Kakioka Magnetic Observatory Vol.12 No.01， p.49， 1965,Mar
27-Day Recurrence Time Pattern of ?Kp and the Geometry of Solar Plasma Streams
Sano, Y.
Abstract
The 27-day recurrence time patterns of ΣKp for the periods, 1951 to 1953 and 1961 to 1963 are illustrated with reference to the solar plasma velocity changes measured by Mariner 2.
