Radar Meteor Counts: Anomalous Increase during 1963

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Science  11 Dec 1964:
Vol. 146, Issue 3650, pp. 1457-1458
DOI: 10.1126/science.146.3650.1457


Radar meteor counts at Ottawa, Canada, show an increase of up to 50 percent in the hourly rates of short-duration echoes during the middle months of 1963. A similar increase has been observed in the Southern Hemisphere.