SOUTHERN HIGH-LATITUDE DIGISONDE OBSERVATIONS OF IONOSPHERE E-REGION BRAGG SCATTER DURING INTENSE LACUNA CONDITIONS

Southern high-latitude Digisonde observations of ionosphere E-region Bragg scatter during intense lacuna conditions

During summer months at solar cycle minimum, F-region lacuna and slant-Es conditions (SEC) are Car Accessories common features of daytime ionograms recorded around local magnetic noon at Casey, Antarctica.Digisonde measurements of drift velocity height profiles show that the occurrence of lacuna prevents the determination of F-region drift velociti

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