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Title: Solar Cycle Dependence of Drift & Anisotropy of E- & F-Region Irregularities at Waltair
Authors: Sastri, J. Hanumath
Rao, B. Ramachandra
Issue Date: Jun-1973
Publisher: NISCAIR-CSIR, India
Abstract: Horizontal drift data covering a period of half-a-solar cycle including both JOY and IQSY are treated by the correlation function method with a view to inferring' solar cycle dependence, if any, of drift and anisotropy of irregularities in E- and P-regions. It is found that there is no significant change in the statistical features of true drift speed, random, velocity and axial ratio with the phase of the solar cycle for both E- and F-regions. A comparison of the salient features of the present study for the local summer with those of an earlier investigation for local winter reveals a seasonal dependence of the effect of solar activity on drift and anisotropy of E- and F-region irregularities.
Page(s): 95-97
ISSN: 0975-105X (Online); 0367-8393 (Print)
Appears in Collections:IJRSP Vol.02(2) [June 1973]

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