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  • 1970-1974  (4)
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Year
  • 1
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    Unknown
    A world-wide lunar radar time synchronization system (1970)
    In:  CASI
    Details
    Publication Date: 2012-05-22
    Description: Synchronizing clocks at remote locations with master clock by radar reflected from moon for Deep Space Network
    Keywords: COMMUNICATIONS
    Type: AGARD ADVANCED NAVIGATIONAL TECH. JAN. 1970; P 143-162
    Format: text
    Location Call Number Expected Availability
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    NASA TECHNICAL REPORTS
  • 2
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    Unknown
    Two carrier communication system with single transmitter (1973)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: A pulse code modulated communication system is disclosed for transmitting two subcarrier modulated carriers from a single transmitter comprising two channels for phase modulating the two carriers independently. The modulating subcarriers are independently modulated by data and/or pseudonoise (PN) codes as desired. The modulated carriers are switched alternately to the single transmitter in synchronism with operation of a PN code generator when PN code modulation is present, as for ranging.
    Keywords: COMMUNICATIONS
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 3
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    Unknown
    Two-carrier command modulation system (1973)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: Two carriers transmit two high-power signals from single transmitter, each phase-modulated by subcarrier which, in turn, is modulated by data bits; switching between two carriers is alternated at high rate. Resulting composite signal is multiplied up to desired frequency and used to drive power amplifier which feeds transmitting antenna.
    Keywords: ELECTRONIC SYSTEMS
    Type: NPO-11548
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 4
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    Unknown
    A world-wide lunar radar time synchronization system (1970)
    In:  Other Sources
    Details
    Publication Date: 2019-07-13
    Description: Clock synchronization system using lunar radar reflections for Deep Space Network needs, discussing remote clock receiver and antenna
    Keywords: FACILITIES, RESEARCH, AND SUPPORT
    Type: ADVANCED NAVIGATIONAL TECHNIQUES, NATO, AGARD, SYMPOSIUM, 14TH; Sep 12, 1967 - Sep 15, 1967; MILAN; ITALY
    Format: text
    Location Call Number Expected Availability
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    NASA TECHNICAL REPORTS
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