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    • International Telemetering Conference Proceedings, Volume 19 (1983)
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    Author
    Blais, Richard A.
    Affiliation
    NASA
    Issue Date
    1983-10
    
    Metadata
    Show full item record
    Rights
    Copyright © International Foundation for Telemetering
    Collection Information
    Proceedings from the International Telemetering Conference are made available by the International Foundation for Telemetering and the University of Arizona Libraries. Visit http://www.telemetry.org/index.php/contact-us if you have questions about items in this collection.
    Publisher
    International Foundation for Telemetering
    Journal
    International Telemetering Conference Proceedings
    Abstract
    In 1979, NASA was faced with the problem of providing a ground facility magnetic tape recorder to store and retrieve serial Pulse Code Modulation (PCM) bit streams of up to 50 megabits per second (MBPS) which originated within Spacelab and its experiments. These recorders were required at the Kennedy Space Center (KSC), Johnson Space Center (JSC), and the Goddard Space Flight Center (GSFC). The Spacelab requirements presented a wide variety of problems which no existing “offthe- shelf” recorder could accommodate at the time. As a consequence, an extensive and complex performance specification was developed. This specification necessitated many advances in the “state-of-the-art” in the field of High Density Digital Recorders. The 9000 SL High Density Digital Recorders designed and fabricated by Thorn-EMI Technology, Inc., under contract to NASA, have successfully met or exceeded all of the Spacelab requirements as identified in the performance specification. These recorders demonstrate the latest in high density digital recording technology. This technology includes the capability of recording 50 MBPS of data with a bit error rate of better than 1 bit in 108, completely automatic bit synchronization, auto selection of the optimum replay equalization, and a data coding scheme giving up to 50% greater data packing density than traditional codes.
    Sponsors
    International Foundation for Telemetering
    ISSN
    0884-5123
    0074-9079
    Additional Links
    http://www.telemetry.org/
    Collections
    International Telemetering Conference Proceedings, Volume 19 (1983)

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