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  <Identification_Area>
    <logical_identifier>urn:nasa:pds:a17lsg_raw_arcsav:data</logical_identifier>
    <version_id>1.0</version_id>
    <title>Apollo 17 ALSEP ARCSAV Lunar Surface Gravimeter Raw Cleaned ASCII Data Collection (1975-092 to
    1975-181)</title>
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    <Citation_Information>
      <author_list>Nakamura, Y.; Nagihara, S.</author_list>
      <editor_list>Williams, D.R.; McLaughlin, S.A.</editor_list>
      <publication_year>2018</publication_year>
      <description>This collection contains fixed-width ASCII files of daily raw cleaned science
      measurements acquired by the Lunar Surface Gravimeter (LSG) at the Apollo 17 landing site for
      the time span of 02 April through 30 June 1975. These data were extracted from NASA's original
      Apollo Lunar Surface Experiments Package (ALSEP) archive tapes, also known as ARCSAV tapes,
      that recorded 24-hour, time-edited, and rearranged raw binary data transmitted from the Moon.
      The extracted binary data were corrected for obvious tape read errors then transformed to
      ASCII format for this archive. This collection also includes ASCII files of LSG-related
      command verification and raw analog housekeeping data extracted from the ARCSAV binary
      files.</description>
    </Citation_Information>
    <Modification_History>
      <Modification_Detail>
        <modification_date>2018-01-04</modification_date>
        <version_id>1.0</version_id>
        <description>Creation.</description>
      </Modification_Detail>
    </Modification_History>
  </Identification_Area>
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    <Time_Coordinates>
      <start_date_time>1975-04-01T23:59:59.429Z</start_date_time>
      <stop_date_time>1975-06-30T23:59:59.905Z</stop_date_time>
    </Time_Coordinates>
    <Primary_Result_Summary>
      <purpose>Science</purpose>
      <processing_level>Raw</processing_level>
      <description>Seismic, tidal, and free-mode measurements taken on the surface of the Moon by
      the Apollo 17 Lunar Surface Gravimeter during the time span of 02 April through 30 June 1975
      to determine gravitational acceleration and its temporal variations, vertical components of
      lunar natural seismicity, deformation due to tidal force, and free oscillations of the Moon
      induced by gravitational waves from cosmic sources (null result).</description>
    </Primary_Result_Summary>
    <Investigation_Area>
      <name>Apollo 17</name>
      <type>Mission</type>
      <Internal_Reference>
        <lid_reference>urn:nasa:pds:context:investigation:mission.apollo_17</lid_reference>
        <reference_type>collection_to_investigation</reference_type>
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    </Investigation_Area>
    <Observing_System>
      <Observing_System_Component>
        <name>Apollo 17 ALSEP</name>
        <type>Spacecraft</type>
        <Internal_Reference>
          <lid_reference>urn:nasa:pds:context:instrument_host:spacecraft.a17a</lid_reference>
          <reference_type>is_instrument_host</reference_type>
        </Internal_Reference>
      </Observing_System_Component>
      <Observing_System_Component>
        <name>Apollo 17 Lunar Surface Gravimeter</name>
        <type>Instrument</type>
        <Internal_Reference>
          <lid_reference>urn:nasa:pds:context:instrument:lsg.a17a</lid_reference>
          <reference_type>is_instrument</reference_type>
        </Internal_Reference>
      </Observing_System_Component>
    </Observing_System>
    <Target_Identification>
      <name>Moon</name>
      <type>Satellite</type>
      <Internal_Reference>
        <lid_reference>urn:nasa:pds:context:target:satellite.earth.moon</lid_reference>
        <reference_type>collection_to_target</reference_type>
      </Internal_Reference>
    </Target_Identification>
  </Context_Area>
  <Reference_List>
    <Internal_Reference>
      <lid_reference>urn:nasa:pds:a17lsg_raw_arcsav:document:a17_lsg_raw_arcsav_descr</lid_reference>
      <reference_type>collection_to_document</reference_type>
      <comment>Describes the contents of this collection</comment>
    </Internal_Reference>
    <Internal_Reference>
      <lid_reference>urn:nasa:pds:a17lsg_raw_arcsav:document:l1b2l1alsgpdsb2</lid_reference>
      <reference_type>collection_to_document</reference_type>
      <comment>Fortran program used to transform the 79 daily files of Apollo 17 LSG raw binary
      data archived in NSSDCA data set PSPG-00923 to ASCII format.</comment>
    </Internal_Reference>
    <Internal_Reference>
      <lid_reference>urn:nasa:pds:apollodoc:a17doc:a17a_lsg_overview</lid_reference>
      <reference_type>collection_to_document</reference_type>
      <comment>Overview of the Apollo 17 ALSEP Lunar Surface Gravimeter (LSG)</comment>
    </Internal_Reference>
    <Internal_Reference>
      <lid_reference>urn:nasa:pds:apollodoc:commondoc:alsep_arcsav_tape_description_jsc09652</lid_reference>
      <reference_type>collection_to_document</reference_type>
      <comment>Apollo Lunar Surface Experiments Package Archive Tape Description Document,
      JSC-09652, NASA Johnson Space Center, Houston, Texas, USA, May 1975. This document provides
      the information needed by programmers to develop the software for retrieving raw binary
      experiment data from the original NASA ALSEP ARCSAV tapes for Apollo 12, 14, 15, 16, and 17.
      Section 1.5.1.6 describes the raw binary LSG data as formatted on the ARCSAV tapes.</comment>
    </Internal_Reference>
    <External_Reference>
      <reference_text>Apollo 17 Preliminary Science Report, NASA SP-330, NASA, Washington, D.C.,
      1973.</reference_text>
    </External_Reference>
    <External_Reference>
      <reference_text>Apollo Lunar Surface Experiments Package Systems Handbook: Apollo 17, 
      ALSEP 5 - Array E / Document Change 1, Unnumbered, NASA Manned Spacecraft Center, Houston,
      Texas, 8 August 1972, updated 6 October 1972.</reference_text>
      <description>Provides detailed operational information about the Apollo 17 ALSEP package
      including the subsystems for structural/thermal control, electrical power, command, and
      telemetry, and each ALSEP experiment. Section 5 describes all command verification codes, and
      their functions, used for the ALSEP 5 station and its experiments. Section 6 lists LSG science
      and housekeeping measurements and their operating ranges. Section 10 describes the operational
      aspects of LSG. This handbook was intended for specialized use by Experiment Flight
      Controllers in real-time and near-real-time operations of ALSEP 5.</description>
    </External_Reference>
    <External_Reference>
      <reference_text>Apollo Lunar Surface Experiments Package: Apollo 17 ALSEP (Array E)
      Familiarization Course Handout, NASA CR-128636, NASA Manned Spacecraft Center, Houston, Texas,
      September 1972.</reference_text>
      <description>Describes all command verification codes, and their functions, used for the
      Apollo 17 ALSEP station and its experiments. Lists the operating range for LSG engineering
      measurements.</description>
    </External_Reference>
    <External_Reference>
      <reference_text>Bates, J.R., W.W. Lauderdale, and H. Kernaghan, ALSEP termination report,
      NASA Reference Publication Series, NASA-RP-1036, 162 pages, published by NASA, Washington,
      D.C., 1979.</reference_text>
    </External_Reference>
    <External_Reference>
      <doi>10.1029/1999JE001165</doi>
      <reference_text>Davies, M.E., and T.R. Colvin, Lunar coordinates in the regions of the Apollo
      landers, Journal of Geophysical Research, Volume 105, Issue E8, pages 20,227-20,280,
      2000.</reference_text>
    </External_Reference>
    <External_Reference>
      <reference_text>Lauderdale, W.W., and W.F. Eichelman, Apollo Scientific Experiments Data
      Handbook, NASA, TM-X-58131, Houston, Texas, August 1974, updated August 1976.</reference_text>
    </External_Reference>
    <External_Reference>
      <reference_text>Nagihara, S., Y. Nakamura, L.R. Lewis, D.R. Williams, P.T. Taylor, E.J.
      Grayzeck, P. Chi, and G.K. Schmidt, Search and Recovery Efforts for the ALSEP Data Tapes, 42nd
      Lunar and Planetary Science Conference, held March 7-11, 2011 at The Woodlands, Texas, Lunar
      and Planetary Institute Contribution No. 1608, Abstract 1103, 2011.</reference_text>
    </External_Reference>
    <External_Reference>
      <reference_text>Nagihara, S., Y. Nakamura, D.R. Williams, P.T. Taylor, W.S. Kiefer, M.A.
      Hager, and H.K. Hills, Availability Of Previously Unprocessed ALSEP Raw Instrument Data and
      Derivative Data and Metadata Products, 47th Lunar and Planetary Science Conference, held March
      21-25, 2016 at The Woodlands, Texas, Lunar and Planetary Institute Contribution No. 1903,
      Abstract 1194, 2016.</reference_text>
    </External_Reference>
    <External_Reference>
      <reference_text>Nunn, C., R.F. Garcia, Y. Nakamura, A.G. Marusiak, T. Kawamura, D. Sun, L.
      Margerin, R. Weber, M. Drilleau. M.A. Wieczorek, A. Khan, A. Rivoldini, P.Lognonne, P. Zhu, Lunar
      Seismology: a data and instrumentation review, Space Science Reviews, submitted
      2019.</reference_text>
    </External_Reference>
    <External_Reference>
      <reference_text>Giganti, J.J, J.V. Larson, J.P. Richard, R.L. Tobias, J. Weber, Lunar Surface
      Gravimeter Experiment - Final Report to National Aeronautics and Space Administration,
      NASA-CR-151203, Department of Physics and Astronomy, University of Maryland, College Park,
      Maryland, USA, 1977.</reference_text>
    </External_Reference>
    <External_Reference>
      <reference_text>Tobias, R.L, The lunar surface gravimeter and the search for gravitational
      radiation, Ph.D. Thesis, Department of Physics and Astronomy, University of Maryland, College
      Park, Maryland, USA, 1978.</reference_text>
    </External_Reference>
  </Reference_List>
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    <collection_type>Data</collection_type>
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