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  • COMMUNICATIONS  (3)
  • 1
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    Unknown
    Calibration of radar data from Apollo 16 results, part X (1972)
    In:  CASI
    Details
    Publication Date: 2005-11-30
    Description: Predictions of surface and near surface blockiness using earth based radar measurements were made. Two polarizations of the radar echoes were measured - polarized and depolarized. Particular attention was given to the depolarized echoes. North Ray and South Ray Craters and a 512-m diameter lunar crater in the Flamsteed Ring were used for the study.
    Keywords: COMMUNICATIONS
    Type: NASA. Lyndon B. Johnson Space Center Apollo 16 Prelim. Sci. Rept.; 3 p
    Format: text
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    NASA TECHNICAL REPORTS
  • 2
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    Calibration of radar data from Apollo 17 and other mission results (1973)
    In:  CASI
    Details
    Publication Date: 2006-01-11
    Description: An examination was made of radar data on depolarized radar echoes for the general areas of (1) the Apollo 11, 12, 14, 15, 16, and 17 landing sites, (2) Ranger 7, 8, and 9 impact sites, and (3) the Surveyor 1, 3, 5, and 7 landing sites. These data were then compared with photographic data. Surveyor 6 was excluded because it landed near the center of the lunar disk where echo data are poor. Three problems concerning the echo data are (1) the frequency distributions of echo strengths from site to site, (2) the areal distribution of echoes, and (3) detailed correlation of echoes with the photographs of the Apollo 17 landing area.
    Keywords: COMMUNICATIONS
    Type: NASA. Johnson Space Center Apollo 17 Prelim. Sci. Rept.; 7 p
    Format: text
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    NASA TECHNICAL REPORTS
  • 3
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    A new, earth-based radar technique for the measurement of lunar topography. (1972)
    In:  Other Sources
    Details
    Publication Date: 2019-06-27
    Keywords: COMMUNICATIONS
    Format: text
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    NASA TECHNICAL REPORTS
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