Double-theodolite Observation:

A technique for making winds aloft observations in which two theodolites located at either end of a baseline follow the ascent of a pilot balloon. Synchronous measurements of the elevation and azimuth angles of the balloon. taken at periodic intervals, permit computation of the wind vector as a function of height.

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Information and definitions of the terms been taken from various reliable government publications and we have done our best to verify their accuracy. If you feel any of the definitions are incorrect or needs to be updated please contact us and we will look into it.

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