Abstract
A backscatter, pulse-type, patrol radar has recorded meteor echoes continuously near Ottawa for the years 1958 to 1962 inclusive. Five-year mean hourly echo rates for each day in the year are presented for all echoes counted, a total of some seven million, and for echoes of duration [Formula: see text] seconds. The diurnal variations in hourly echo rates throughout the year are given as five-year means in five-day groups.
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