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Low-cost TDRSS communications for NASA's long duration balloon projectA new transponder and RF ground support equipment for the NASA Tracking and Data Relay Satellite System (TDRSS) intended to support long duration scientific balloon flights in Antarctica are described. The new balloon class transponder features a highly integrated spread spectrum receiver design based on programmable charge coupled device (CCD) correlators and digital signal processing chips. The correlator chip is a Lincoln Labs 4ABC with four CCD channels. The balloon transponder is capable of reporting an estimate of its input bit error rate using digital signal processing. The TDRSS user RF test set is based on a set of RF ground support equipment capable of providing both the RF communications and direct control and monitoring necessary for transponder testing and a two-way RF link for preflight testing.
Document ID
19930051018
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
External Source(s)
Authors
Israel, David J.
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Date Acquired
August 16, 2013
Publication Date
February 1, 1993
Publication Information
Publication: IEEE Aerospace and Electronic Systems Magazine
Volume: 8
Issue: 2
ISSN: 0885-8985
Subject Category
Space Communications, Spacecraft Communications, Command And Tracking
Accession Number
93A35015
Distribution Limits
Public
Copyright
Other

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