Data Set Information
DATA_SET_NAME P12 V ORBITING RADAR DERIVED BACKSCATTER CROSS SECTION V1.0
DATA_SET_ID P12-V-ORAD-5-BACKSCATTER-V1.0
NSSDC_DATA_SET_ID XD-B2A
DATA_SET_TERSE_DESCRIPTION This dataset contains derived radar backscatter cross section data acquired using the Pioneer 12 Venus Orbiting Radar during the Pioneer Venus Orbiter mission.
DATA_SET_DESCRIPTION 
Data Set Overview
    =================
      This data set consists of a VICAR2 format image of Venus
      large-angle radar backscatter cross section, from the
      side-looking mode of the Pioneer Venus radar mapper experiment.
      The cross section is corrected for Venus atmospheric absorption
      and normalized to 45 degree incidence angle via the
      phenomenological Muhleman scattering function.  Data are
      presented in simple cylindrical format, with 1024 lines
      (latitude) and 4096 samples (longitude).
 
 
      Processing Level Id            : 5
      Software Flag                  : N
      Processing Start Time          : 1988-12-01
      Processing Stop Time           : 1988-12-01
 
 
    Parameters
    ==========
 
      Data Set Parameter 'RADAR BACKSCATTER CROSS SECTION'
      ----------------------------------------------------
        Cross section values are dimensionless and correspond to the
        projected area of a sphere that would produce the observed
        backscattered power, divided by the scattering area, i.e.
        the pixel area.
 
        Data Set Parameter Name        : RADAR 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                    : N/A
 
 
    Source Instrument Parameters
    ============================
      Instrument Host ID              : P12
      Data Set Parameter Name         : RADAR BACKSCATTER
                                          CROSS SECTION
      Instrument Parameter Name       : RADAR ECHO POWER
      Important Instrument Parameters : 1
 
 
    Processing
    ==========
      N/A
DATA_SET_RELEASE_DATE 1988-12-01T00:00:00.000Z
START_TIME 1978-12-05T12:00:00.000Z
STOP_TIME 1981-03-23T12:00:00.000Z
MISSION_NAME PIONEER
PRE-MAGELLAN
MISSION_START_DATE 1978-05-20T12:00:00.000Z
1968-11-09T12:00:00.000Z
MISSION_STOP_DATE 1992-10-08T12:00:00.000Z
1988-07-27T12:00:00.000Z
TARGET_NAME VENUS
TARGET_TYPE PLANET
INSTRUMENT_HOST_ID P12
INSTRUMENT_NAME ORBITING RADAR
INSTRUMENT_ID ORAD
INSTRUMENT_TYPE RADAR
NODE_NAME Geosciences
ARCHIVE_STATUS ARCHIVED
CONFIDENCE_LEVEL_NOTE 
Overview
    ========
      The data have been corrected for spacecraft timing errors, and
      for atmospheric attenuation.
CITATION_DESCRIPTION Ford, P. G., P12 V ORBITING RADAR DERIVED BACKSCATTER CROSS SECTION V1.0, P12-V-ORAD-5-BACKSCATTER-V1.0, NASA Planetary Data System, 1988
ABSTRACT_TEXT This data set consists of a VICAR2 format image of Venus large-angle radar backscatter cross section, from the side-looking mode of the Pioneer Venus radar mapper experiment. The cross section is corrected for Venus atmospheric absorption and normalized to 45 degree incidence angle via the phenomenological Muhleman scattering function. Data are presented in simple cylindrical format, with 1024 lines (latitude) and 4096 samples (longitude).
PRODUCER_FULL_NAME PETER G. FORD
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