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      <marc:subfield code="a">A super-high-frequency satellite communications system for Canada (1977-1985) : </marc:subfield>
      <marc:subfield code="b">final report / </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">September 1971.</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">"Study Contract No. PL36001-0-2945 for Communication Research Centre, Department of Communications."</marc:subfield>
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      <marc:subfield code="a">"The major aim of the study was to evaluate the significance to Canada of satellite communications in the frequency range 12 GHz through 18 GHz in the time frame 1977 through 1985"--Introduction.</marc:subfield>
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      <marc:subfield code="u">https://publications.gc.ca/collections/collection_2019/isde-ised/Co24/Co24-119-1971-eng.pdf</marc:subfield>
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