A system is described with which air flow in the lower one or two thousand feet of the atmosphere can be studied by the use of a radio-command-control smoke puffer. Several applications of this system are proposed in connection with balloon sounding techniques.

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Footnotes

* The Material in this article is Unclassified.

** Atmosphere and Astrophysics Division, Aerology Branch.

*** Mechanics Division, Ballistics' Branch.