<?xml version="1.0" encoding="UTF-8"?><marc:collection xmlns:marc="http://www.loc.gov/MARC21/slim">
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      <marc:subfield code="a">eng</marc:subfield>
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      <marc:subfield code="a">Moher, M., </marc:subfield>
      <marc:subfield code="e">author.</marc:subfield>
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    <marc:datafield tag="245" ind1="1" ind2="0">
      <marc:subfield code="a">CRC, DOT and the international aeronautical-mobile satellite service / </marc:subfield>
      <marc:subfield code="c">by M. Moher.</marc:subfield>
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    <marc:datafield tag="264" ind1=" " ind2="1">
      <marc:subfield code="a">Ottawa : </marc:subfield>
      <marc:subfield code="b">Communications Research Centre, Department of Communications Canada, </marc:subfield>
      <marc:subfield code="c">November 1992.</marc:subfield>
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      <marc:subfield code="a">1 online resource (19 pages) : </marc:subfield>
      <marc:subfield code="b">illustrations.</marc:subfield>
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      <marc:subfield code="a">computer</marc:subfield>
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      <marc:subfield code="a">online resource</marc:subfield>
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      <marc:subfield code="a">CRC report ; </marc:subfield>
      <marc:subfield code="v">no. CRC-RP-92-004</marc:subfield>
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      <marc:subfield code="a">Digitized edition from print [produced by Innovation, Science and Economic Development Canada].</marc:subfield>
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    <marc:datafield tag="504" ind1=" " ind2=" ">
      <marc:subfield code="a">Includes bibliographical references (pages 18-19).</marc:subfield>
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    <marc:datafield tag="520" ind1="3" ind2=" ">
      <marc:subfield code="a">"The activities of the Communications Research Centre (CRC) and the Canadian Department of Transport (DOT) in the international aeronautical-mobile satellite service (AMSS) are summarized. It begins with a history of the major activities in the international standards process starting with ICAO Committee on Future Air Navigation Systems (FANS) in 1984, and continuing through the Airline Electronic Engineering Committee (AEEC) activities, the ICAO Aeronautical-Mobile Satellite Service Panel (AMSSP), to the ICAO Aeronautical Mobile Communications Panel (AMCP) in 1992. A parallel history of development of aeronautical satcom technology by CRC and DOT is then described, starting with the A-BPSK P-channel modem development in 1987, through industrial development and technology transfer, to its first commercial showing in an aeronautical satcom terminal in September 1992. The summary concludes with a description of the AMSS physical and link layers, and the technology developed at CRC to implement these layers"--Abstract.</marc:subfield>
    </marc:datafield>
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      <marc:subfield code="a">Includes abstracts in English and French.</marc:subfield>
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    <marc:datafield tag="650" ind1=" " ind2="0">
      <marc:subfield code="a">Artificial satellites in telecommunication.</marc:subfield>
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    <marc:datafield tag="650" ind1=" " ind2="0">
      <marc:subfield code="a">Aeronautics</marc:subfield>
      <marc:subfield code="z">Canada</marc:subfield>
      <marc:subfield code="x">Communication systems.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="650" ind1=" " ind2="6">
      <marc:subfield code="a">Satellites artificiels dans les télécommunications.</marc:subfield>
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      <marc:subfield code="a">Aéronautique</marc:subfield>
      <marc:subfield code="z">Canada</marc:subfield>
      <marc:subfield code="x">Systèmes de communication.</marc:subfield>
    </marc:datafield>
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      <marc:subfield code="a">Communications Research Centre (Canada), </marc:subfield>
      <marc:subfield code="e">issuing body.</marc:subfield>
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      <marc:subfield code="a">CRC report ;</marc:subfield>
      <marc:subfield code="v">CRC-RP-92-004.</marc:subfield>
      <marc:subfield code="w">(CaOODSP)9.882492</marc:subfield>
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      <marc:subfield code="q">PDF</marc:subfield>
      <marc:subfield code="s">1.01 MB</marc:subfield>
      <marc:subfield code="u">https://publications.gc.ca/collections/collection_2022/isde-ised/co24/Co24-3-7-92-004-eng.pdf</marc:subfield>
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