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  <Identification_Area>
    <logical_identifier>urn:nasa:pds:a12side_ccig_raw_arcsav:data</logical_identifier>
    <version_id>1.0</version_id>
    <title>Apollo 12 ALSEP ARCSAV SIDE/CCIG Raw Cleaned ASCII Data Collection (1975-093 to
    1975-182)</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 and
      engineering measurements acquired by the Suprathermal Ion Detector Experiment (SIDE) and the
      Cold Cathode Ion Gage Experiment (CCIG; also known as the Cold Cathode Gage Experiment for the
      time span of 03 April through 01 July 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 one ASCII file of
      SIDE/CCIG-related command verification data extracted from the ARCSAV binary files.
      </description>
    </Citation_Information>
    <Modification_History>
      <Modification_Detail>
        <modification_date>2018-08-30</modification_date>
        <version_id>1.0</version_id>
        <description>Creation.</description>
      </Modification_Detail>
    </Modification_History>
  </Identification_Area>
  <Context_Area>
    <Time_Coordinates>
      <start_date_time>1975-04-03T00:00:17.362Z</start_date_time>
      <stop_date_time>1975-07-01T23:59:48.116Z</stop_date_time>
    </Time_Coordinates>
    <Primary_Result_Summary>
      <purpose>Science</purpose>
      <processing_level>Raw</processing_level>
      <description>Measurements of the differential energy spectrum of positive ions having energies
      from 0.2 to 48.6 eV per unit charge and 10 to 3500 eV per unit charge as acquired,
      respectively, by the mass analyzer detector and the total ion detector of the Apollo 12
      Suprathermal Ion Detector Experiment (SIDE); and measurements of density and temperature for
      pressures ranging from 10^-6 torr to 10^-12 torr as acquired by the Apollo 12 Cold Cathode Ion
      Gage (CCIG) experiment. The scientific objectives of these experiments were to measure the
      flux, number density, velocity and energy per unit charge of positive ions near the lunar
      surface, and to detect any lunar ambient atmospheric pressure. The time span for these data is
      03 April through 01 July 1975. The CCIG data are not reliable because that instrument failed
      on 19 November 1969.</description>
    </Primary_Result_Summary>
    <Investigation_Area>
      <name>Apollo 12</name>
      <type>Mission</type>
      <Internal_Reference>
        <lid_reference>urn:nasa:pds:context:investigation:mission.apollo_12</lid_reference>
        <reference_type>collection_to_investigation</reference_type>
      </Internal_Reference>
    </Investigation_Area>
    <Observing_System>
      <Observing_System_Component>
        <name>Apollo 12 ALSEP</name>
        <type>Spacecraft</type>
        <Internal_Reference>
          <lid_reference>urn:nasa:pds:context:instrument_host:spacecraft.a12a</lid_reference>
          <reference_type>is_instrument_host</reference_type>
        </Internal_Reference>
      </Observing_System_Component>
      <Observing_System_Component>
        <name>Apollo 12 Suprathermal Ion Detector Experiment</name>
        <type>Instrument</type>
        <Internal_Reference>
          <lid_reference>urn:nasa:pds:context:instrument:side.a12a</lid_reference>
          <reference_type>is_instrument</reference_type>
        </Internal_Reference>
      </Observing_System_Component>
      <Observing_System_Component>
        <name>Apollo 12 Cold Cathode Ion Gage Experiment</name>
        <type>Instrument</type>
        <Internal_Reference>
          <lid_reference>urn:nasa:pds:context:instrument:ccig.a12a</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>data_to_target</reference_type>
      </Internal_Reference>
    </Target_Identification>
  </Context_Area>
  <Reference_List>
    <Internal_Reference>
      <lid_reference>urn:nasa:pds:a12side_ccig_raw_arcsav:document:a12_side_ccig_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:a12side_ccig_raw_arcsav:document:l1b2l1asidepds</lid_reference>
      <reference_type>collection_to_document</reference_type>
      <comment>Fortran program used to transform the 90 daily files of Apollo 12 and Apollo 15
      SIDE/CCIG raw binary data archived in NSSDCA data set PSFP-00742 to ASCII format.</comment>
    </Internal_Reference>
    <Internal_Reference>
      <lid_reference>urn:nasa:pds:apollodoc:a12doc:a12a_side_overview</lid_reference>
      <reference_type>collection_to_document</reference_type>
      <comment>Overview of the Apollo 12 ALSEP Suprathermal Ion Detector Experiment (SIDE)</comment>
    </Internal_Reference>
    <Internal_Reference>
      <lid_reference>urn:nasa:pds:apollodoc:a12doc:a12a_ccig_overview</lid_reference>
      <reference_type>collection_to_document</reference_type>
      <comment>Overview of the Apollo 12 ALSEP Cold Cathode Ion Gage (CCIG) Experiment</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 1.2.1.6 describes the raw binary Apollo 12 SIDE/CCIG data as formatted on the ARCSAV
      tapes.</comment>
    </Internal_Reference>
    <External_Reference>
      <reference_text>Apollo 12 Preliminary Science Report, NASA SP-235, NASA, Washington, D.C.,
      1970.</reference_text>
    </External_Reference>
    <External_Reference>
      <reference_text>Apollo Lunar Surface Experiments Package Systems Handbook, ALSEP 1, Change 1,
      Unnumbered, Flight Control Division, NASA Manned Spacecraft Center, Houston, Texas, January
      15, 1969.</reference_text>
      <description>Describes in detail the Apollo 12 ALSEP (ALSEP 1) package including the
      subsystems for thermal control, electrical power, command, telemetry, and each ALSEP
      experiment. Describes all command verification codes, and their functions, used for the ALSEP
      1 station and its experiments in Section 5. Lists SIDE/CCIG measurements and the operating
      ranges in Section 6. Discusses some operational aspects of the both experiments in Section
      11.</description>
    </External_Reference>
    <External_Reference>
      <reference_text>Apollo Lunar Surface Experiments Package ALSEP Familiarization Course Handout
      For Training Purposes Only, BSR 2264-B, The Bendix Corporation for NASA Manned Spacecraft
      Center, Houston, Texas, May 1969.</reference_text>
      <description>Training manual for the early ALSEP packages 1, 3, and 4 package describing the
      mission, equipment, subsystems, maintenance, and operations.</description>
    </External_Reference>
    <External_Reference>
      <reference_text>Apollo Lunar Surface Experiments Package, ALSEP Flight System Familiarization
      Manual, Revision B, ALSEP-MT-03, NASA CR-99604, The Bendix Corporation for NASA Manned
      Spacecraft Center, published 1 August 1967, revised 15 April 1969.</reference_text>
      <description>Familiarizes the reader with the scientific objectives of ALSEP, equipment
      make-up, subsystems, maintenance, system deployment, and operation. This Revision B is the
      full publication ALSEP-MT-03.</description>
    </External_Reference>
    <External_Reference>
      <reference_text>Apollo Lunar Surface Experiments Package, ALSEP Flight System Familiarization
      Manual, Revision B / Change 1, ALSEP-MT-03, NASA CR-99604, The Bendix Corporation for NASA
      Manned Spacecraft Center, Houston, Texas, 18 March 1970.</reference_text>
      <description>Familiarizes the reader with the scientific objectives of ALSEP, equipment
      make-up, subsystems, maintenance, system deployment, and operation. Change 1 contains
      revised pages to be replaced in ALSEP-MT-03 Revision B dated 15 April 1969.</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>Rivas, R.A. and S. Pollack, Final Engineering Report for ALSEP/SIDE/CCGE
      (Apollo Lunar Surface Experiments Package / Suprathermal Ion Detector Experiment / Cold
      Cathode Gauge Experiment), Volume 1, NASA CR-102046, Rice University, Houston, Texas, 1
      January 1969.</reference_text>
      <description>This engineering report describes the ALSEP/SIDE/CCGE (CCIG) Experiment designed,
      fabricated, tested, and delivered by Marshall Laboratories in accordance with Rice University
      Contract No. Sl966-14. The report covers electrical, thermal, and mechanical descriptions of
      the instrument. Also included is a description of the Experiment Test Set.</description>
    </External_Reference>
    <External_Reference>
      <reference_text>Hills, H.K. and J.W. Freeman, ALSEP SIDE Data Handbook (includes CCGE),
      Unpublished, Unnumbered, November 1969.</reference_text>
      <description>This handbook provides a detailed description of each ALSEP SIDE and CCGE (CCIG)
      science, engineering, and housekeeping measurement. It also includes SIDE and CCIG command
      verification information. This handbook is available from the NASA Space Science Coordinated
      Data Archive at Goddard Space Flight Center as publication number B56520-000A.</description>
    </External_Reference>
    <External_Reference>
      <reference_text>Hills, H.K. and J.W. Freeman, ALSEP SIDE data user's information package,
      Unpublished, Unnumbered, February 1974.</reference_text>
      <description>This handbook provides a detailed description of each ALSEP SIDE science,
      engineering, and housekeeping measurement, and includes an explanation of the SIDE instrument
      and how it worked. This handbook omits the CCGE (CCIG) measurements and command verification
      information. This handbook is available from the NASA Space Science Coordinated Data Archive
      at Goddard Space Flight Center as publication number B32229-000A.</description>
    </External_Reference>
  </Reference_List>
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    <collection_type>Data</collection_type>
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