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  • INSTRUMENTATION AND PHOTOGRAPHY  (6)
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  • 1
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    Earth Radiation Budget Experiment (ERBE) scanner instrument anomaly investigation (1985)
    In:  CASI
    Details
    Publication Date: 2019-06-28
    Description: The results of an ad-hoc committee investigation of in-Earth orbit operational anomalies noted on two identical Earth Radiation Budget Experiment (ERBE) Scanner instruments on two different spacecraft busses is presented. The anomalies are attributed to the bearings and the lubrication scheme for the bearings. A detailed discussion of the pertinent instrument operations, the approach of the investigation team and the current status of the instruments now in Earth orbit is included. The team considered operational changes for these instruments, rework possibilities for the one instrument which is waiting to be launched, and preferable lubrication considerations for specific space operational requirements similar to those for the ERBE scanner bearings.
    Keywords: INSTRUMENTATION AND PHOTOGRAPHY
    Type: NASA-TM-87636 , NAS 1.15:87636
    Format: application/pdf
    Location Call Number Expected Availability
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    NASA TECHNICAL REPORTS
  • 2
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    Failure of the ERBE scanner instrument aboard NOAA 10 spacecraft and results of failure analysis (1990)
    In:  CASI
    Details
    Publication Date: 2019-06-28
    Description: The Earth Radiation Budget Experiment (ERBE) scanner instrument on the NOAA 10 spacecraft malfunctioned on May 22, 1989, after more than 4 years of in-flight operation. After the failure, all instrument operational mode commands were tested and the resulting data analyzed. Details of the tests and analysis of output data are discussed therein. The radiometric and housekeeping data appear to be valid. However, the instrument will not correctly execute operational scan mode commands or the preprogrammed calibration sequences. The data indicate the problem is the result of a failure in the internal address decoding circuity in one of the ROM (read only memory) chips of the instrument computer.
    Keywords: INSTRUMENTATION AND PHOTOGRAPHY
    Type: NASA-TM-102661 , NAS 1.15:102661
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 3
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    Requirements of a Martian television experiment for three point-mass descent trajectories (1969)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: Requirement estimates and performance predictions for Martian television experiment onboard spacecraft in three point-mass descent trajectories
    Keywords: INSTRUMENTATION AND PHOTOGRAPHY
    Type: NASA-TN-D-5062
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 4
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    Earth photography from high-altitude balloons (1971)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: Evaluation of high altitude balloon aerial photography for earth resources and oceanography including photographic formats and camera systems and packaging
    Keywords: INSTRUMENTATION AND PHOTOGRAPHY
    Type: NASA-TM-X-2208 , L-7436
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 5
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    Earth Radiation Budget Experiment instrument design status (1981)
    In:  Other Sources
    Details
    Publication Date: 2019-07-13
    Description: The design configuration of Earth Radiation Budget Experiment (ERBE) instruments are presented. The ERBE scanners and nonscanners are discussed in terms of hardware and optical development, operational parameters, and calibration plans for ground and flight systems. The various instrument designs are given and described in detail. It is emphasized that the design goal is to approach state-of-the-art laboratory radiometric accuracies with spaceflight qualified hardware in an earth orbit environment with a projected operational lifetime of over two years. Accurate inputs to models of weather and climate are expected which will allow a better understanding of radiation transfer and the energy balance of the earth.
    Keywords: INSTRUMENTATION AND PHOTOGRAPHY
    Type: Conference on Atmospheric Radiation; Jun 16, 1981 - Jun 18, 1981; Toronto; Canada
    Format: text
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    NASA TECHNICAL REPORTS
  • 6
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    Development of flight experiments for remote measurement of pollution (1973)
    In:  Other Sources
    Details
    Publication Date: 2019-07-13
    Description: The status as of February 1973 of several NASA-sponsored development projects is reported concerning flight experiments for remote measurement of pollution. Eight passive multispectral instruments for remotely sensing air and water pollutants are described, as well as two active (laser radar) measuring techniques. These techniques are expected to add some new dimensions to the remote sensing of water quality, oceanographic parameters, and earth resources. Multiple applications in these fields are generally possible. Successful completion of the flight demonstration tests and comparisons with simultaneously obtained surface truth measurements may establish these techniques as valid water quality monitoring tools.
    Keywords: INSTRUMENTATION AND PHOTOGRAPHY
    Type: Conference on Earth Resources Observation and Information Analysis Systems; Mar 26, 1973 - Mar 28, 1973; Tullahoma, TN
    Format: text
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    NASA TECHNICAL REPORTS
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