Test results and key principles are given for a radar altimeter designed for meteorological balloons. The instrument, which weighs 160 g and consumes 0.7 W, will fill a gap in meteorological sensing using balloons - an area where pressure altitude was formerly the prevailing reference. The instrument is basically a delay-lock radar utilizing a superregenerative RF stage. Long-term absolute accuracy of plus or minus 10 m and short-term stability of better than 2 m rms were measured at altitudes of 20 km.


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    Title :

    A new approach to lightweight radar altimeters


    Contributors:

    Published in:

    Publication date :

    1974-06-01


    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English




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