Abstract
A bright bolide appeared over the Netherlands on the evening of 2003,February
19. Infrasound generated by this bolide was detected at two nearby
infrasound arrays as two distinct events. The origins of the infrasonic
signals were located in the stratosphere at heights of 30 and 57
km. The results were obtained independently of visual observations
of the bolide but confirm the reported time of occurrence. The ability
to distinguish between a moving and static source is crucial for
the application of infrasound as a monitoring technique. This study
also illustrates the dependence of the infrasound technique on signal
coherency, inter-array distance and atmospheric knowledge.
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