Data Set Information
DATA_SET_NAME ARECIBO MOON RADIO TELESCOPE DERIVED 12.6 CM RADAR V1.0
DATA_SET_ID ARCB-L-RTLS-5-12.6CM-V1.0
NSSDC_DATA_SET_ID XD-B2A
DATA_SET_TERSE_DESCRIPTION This archive contains Pre-Magellan derived lunar radar data acquired by the 12.6-cm wavelength radar at Arecibo Observatory.
DATA_SET_DESCRIPTION 
Data Set Overview
    =================
      Radar scaled backscatter cross section images of the Moon made
      with the 12.6 cm wavelength radar at Arecibo Observatory.  The
      data are corrected for antenna beam shape, but not for radar
      scattering variations with incidence angle.  Data are scaled to
      fit within dynamic range of output values.  The images are
      projected onto a Mercator grid with a longitude spacing of 0.01
      degrees per pixel.
 
 
      Processing Level Id            : 5
      Software Flag                  : N
      Processing Start Time          : 1986
      Processing Stop Time           : 1990
 
 
    Parameters
    ==========
 
      Data Set Parameter 'RADAR SCALED BACKSCATTER CROSS SECTION'
      -----------------------------------------------------------
        Cross section values that are scaled by some procedure, such
        as dividing by theoretical or empirical scattering laws.
 
        Data Set Parameter Name        : RADAR SCALED BACKSCATTER
                                           CROSS SECTION
        Data Set Parameter Unit        : DIMENSIONLESS
        Sampling Parameter Name        : PIXEL
        Sampling Parameter Unit        : N/A
        Minimum Sampling Parameter     : N/A
        Maximum Sampling Parameter     : N/A
        Sampling Parameter Resolution  : N/A
        Sampling Parameter Interval    : N/A
        Minimum Available Sampling Int : N/A
        Noise Level                    : UNK
 
 
    Source Instrument Parameters
    ============================
      Instrument Host ID              : ARCB
      Data Set Parameter Name         : RADAR SCALED BACKSCATTER
                                          CROSS SECTION
      Instrument Parameter Name       : RADAR ECHO POWER
      Important Instrument Parameters : 1
 
 
    Measurement Information
    =======================
 
      Atmospheric Conditions
      ----------------------
        NOT APPLICABLE
 
 
      Source
      ------
        The observations used the 300 meter reflector at Arecibo for
        transmission.
 
 
      Calibration Standard
      --------------------
        NOT APPLICABLE
 
 
      Wavelength Calibration
      ----------------------
        Transmitter frequency calibrated with a hydrogen maser.
 
 
    Processing
    ==========
      N/A
DATA_SET_RELEASE_DATE 1990-06-15T00:00:00.000Z
START_TIME 1986-01-01T12:00:00.000Z
STOP_TIME 1987-01-01T12:00:00.000Z
MISSION_NAME PRE-MAGELLAN
MISSION_START_DATE 1968-11-09T12:00:00.000Z
MISSION_STOP_DATE 1988-07-27T12:00:00.000Z
TARGET_NAME MOON
TARGET_TYPE SATELLITE
INSTRUMENT_HOST_ID ARCB
INSTRUMENT_NAME RADIO TELESCOPE
INSTRUMENT_ID RTLS
INSTRUMENT_TYPE RADAR
NODE_NAME Geosciences
ARCHIVE_STATUS ARCHIVED
CONFIDENCE_LEVEL_NOTE 
Overview
    ========
      Latitude and longitude values given in the label are accurate
      only to the nearest degree.  The incidence angle varies by
      about 6 degrees across the images.
CITATION_DESCRIPTION Campbell, D. B., ARECIBO MOON RADIO TELESCOPE DERIVED 12.6 CM RADAR V1.0, ARCB-L-RTLS-5-12.6CM-V1.0, NASA Planetary Data System, 1990
ABSTRACT_TEXT Radar scaled backscatter cross section images of the Moon made with the 12.6 cm wavelength radar at Arecibo Observatory. The data are corrected for antenna beam shape, but not for radar scattering variations with incidence angle. Data are scaled to fit within dynamic range of output values. The images are projected onto a Mercator grid with a longitude spacing of 0.01 degrees per pixel.
PRODUCER_FULL_NAME DONALD B. CAMPBELL
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