  The Draconid meteor shower shows strong bursts of activity at irregular
intervals, with nearly no activity in intervening years. Five outbursts of the
Draconid meteor shower were observed with specular meteor radars in Canada and
Europe between 1999 and 2018. The outbursts generally lasted between 6 and 8
hours, and most were not fully visible at a single geographical site,
emphasizing the need for observations at multiple longitudes for short-duration
shower outbursts. There is at least a factor of two difference in the peak flux
as measured on different radars; the initial trail radius effect is
undercorrected for Draconid meteors, which are known to be fragile.
