USRA Houston Repository

Browsing by Author "Thomas, D. J."

Browsing by Author "Thomas, D. J."

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  • Thomas, D. J. (Bendix Aerospace Systems Division, 1972)
    Action Item 604 required an investigation into the apparently unique nature of the ripple on the Array E Qual Model PC #1 +5 volt output. This ATM shows that no fault condition existed and it provides a rationale for ...
  • Jensen, C. W.; Thomas, D. J. (Bendix Aerospace Systems Division, 1972)
    This report documents an investigation of the MSFN/ALSEP S-Band Compatibility Test Results and provides a rationale and recommendation relative to the test validity and relative to Command Decoder Circuit Modifications ...
  • Bedford, A.; Kasser, Joe E.; Thomas, D. J. (Bendix Corporation, Aerospace Systems Division, 1972)
    This ATM describes the ALSEP Array E System. Its main purpose is to convey an understanding of the Power and Data Subsystems operation to a depth just above the circuit schematic level.
  • Dallaire, Rodney J.; Thomas, D. J. (Bendix Aerospace Systems Division, 1971)
    This ATM provides the reliability justification for the redundancy method employed in the Array E (Apollo 17) uplink. The Array E uplink employs standby redundancy without cross-over and automatic switch-over after 61 hours ...
  • Thomas, D. J. (Bendix Aerospace Systems Division, 1971)
    This listing of command allocations is applicable to ALSEP Array E, with the following complement of experiments: Lunar Surface Gravimeter, Lunar Ejecta and Meteorite, Lunar Seismic Profiling, Lunar Mass Spectrometer, Heat Flow.
  • Thomas, D. J. (Bendix Aerospace Systems Division, 1972)
    This listing of command allocations is applicable to ALSEP Array E, with the following complement of experiments: #1 Lunar Mass Spectrometer #2 Lunar Ejecta and Meteorites #3 Heat Flow #4 Lunar Surface Gravimeter #5 Lunar ...
  • Thomas, D. J. (Bendix Aerospace Systems Division, 1972)
    During the C/S Functional Test (TP2365551) on the Array E Qualification Model, it was determined that the initial position of Power Distribution Unit (PDU) relays following a slow turn-on resulted in a scrambled status. ...
  • Thomas, D. J. (Bendix Aerospace Systems Division, 1972)
    During the C/S Verification Test (TP 2.368960) on the Array E Qualification Model, several changes of status occurred at turn-on, PC changeover or following other power interruptions. These discrepancies were documented ...
  • Thomas, D. J. (Bendix Aerospace Systems Division, 1970)
    This ATM is a brief summary of the salient points of the main Array E, F, G study document (ATM-889), to which reference should be made for more detailed information and rationale.

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