The development of the pointing gimbal in the high-gain antenna system (HGAS) of the Solar Dynamics Observatory spacecraft is described. The gimbal was designed for 5 years of service in Geo-Synchronous orbit. The hardware incorporates multiple levels of redundancy, allows harnessing and waveguide along its full length across its two axes of rotation and points with an accuracy of better than 0.065 . Significant issues with actuator alignment, Electrical Contact Ring noise, pointing budget, and waveguide failures are described, along with their respective resolutions


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    Title :

    Development of a Spacecraft Antenna Pointing Gimbal


    Contributors:


    Publication date :

    2008-05-01


    Type of media :

    Conference paper


    Type of material :

    No indication


    Language :

    English




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