Optical transient detector

From Glossary of Meteorology



Optical Transient Detector

(Abbreviated OTD.) An instrument, designed to detect lightning from space, that was launched on 3 April 1995 aboard the MicroLab-1 satellite into a near polar orbit at an inclination of 70°.

The OTD was an engineering prototype of the Lightning Imaging Sensor that was subsequently launched on the TRMM satellite.


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