This final report describes work performed by SRS Technologies for the NASA Marshall Space Flight Center under Contract NAS8-39077, entitled 'Integrated Receiver-Decoder Dropout Study'. The purpose of the study was to determine causes of signal fading effects on ultra-high-frequency (UHF) range safety transmissions to the Space Shuttle during flyout. Of particular interest were deep fades observed at the External Tank (ET) Integrated Receiver-Decoder (IRD) during the flyout interval between solid rocket booster separation and ET separation. Analytical and simulation methods were employed in this study to assess observations captured in flight telemetry data records. Conclusions based on the study are presented in this report, and recommendations are given for future experimental validation of the results.


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    Title :

    IRD dropout study



    Publication date :

    1992-08-01


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English




    IRD Dropout Study

    J. S. Yalowitz / M. A. Schroer / J. E. Dickson | NTIS | 1992


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