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This article in AJ

  1. Vol. 63 No. 3, p. 514-515
    Received: Dec 12, 1970

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Modification of a 360-Degree Antenna Rotor for Continuous Stepped Rotation1

  1. E. R. Perrier,
  2. J. S. Rogers and
  3. G. R. Stahl2



An antenna rotor was modified to operate continuously stepwise automatically. The rotor was used to support a vertical profile of micrometeorological apparatus and swept a large surface area above crop rows and bare soil surfaces. The necessary modifications are easy to perform by modifying the control unit of the AC shaded-pole induction motor.

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