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      <marc:subfield code="a">Co24-168/1991E-PDF</marc:subfield>
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      <marc:subfield code="a">A study of the feasibility of mobile satellite services sharing spectrum with the terrestrial fixed service : </marc:subfield>
      <marc:subfield code="b">final report.</marc:subfield>
    </marc:datafield>
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      <marc:subfield code="a">MSS sharing study</marc:subfield>
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      <marc:subfield code="a">[Ottawa] : </marc:subfield>
      <marc:subfield code="b">[Department of Communications], </marc:subfield>
      <marc:subfield code="c">June 1991.</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:subfield code="a">Includes bibliographical references (page 39).</marc:subfield>
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      <marc:subfield code="a">"The purpose of this study is to establish spectrum sharing conditions based on specific regulatory provisions for both the MSS and fixed services and Data Relay Satellites (DRS) and fixed services. Proposals for changes to ITU Radio Regulations, in particular Articles 27 and 28, necessary to make such sharing possible should be developed. Also to be considered are the conditions that are necessary to permit sharing between the terrestrial component of the MSS (aircraft and land mobile satellite service (Lmss)- mobiles) and the fixed service"--Introduction, page 1.</marc:subfield>
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      <marc:subfield code="u">https://publications.gc.ca/collections/collection_2019/isde-ised/Co24/Co24-168-1991-eng.pdf</marc:subfield>
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