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      <marc:subfield code="a">Olson, Maynard Roy, </marc:subfield>
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      <marc:subfield code="a">MSAT gateway station study : </marc:subfield>
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      <marc:subfield code="c">prepared by: M.R. Olson.</marc:subfield>
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      <marc:subfield code="a">[Ottawa] : </marc:subfield>
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      <marc:subfield code="a">Digitized copy from print [produced by Innovation, Science and Economic Development Canada].</marc:subfield>
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      <marc:subfield code="a">"SED DOCUMENT #690580-TR-101."</marc:subfield>
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      <marc:subfield code="a">"Issue #2."</marc:subfield>
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      <marc:subfield code="a">"This study was performed under Contract No. OST81-00020 for the Canadian Department of Communications to investigate the technical and economic aspects of gateway earth stations (GES) for the proposed operational mobile satellite (MSAT) radio telephone service in Canada"--Introduction.</marc:subfield>
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      <marc:subfield code="a">Artificial satellites in telecommunication</marc:subfield>
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      <marc:subfield code="a">Earth stations (Satellite telecommunication)</marc:subfield>
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      <marc:subfield code="a">Mobile communication systems</marc:subfield>
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      <marc:subfield code="a">Satellites artificiels dans les télécommunications</marc:subfield>
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      <marc:subfield code="a">Radiocommunications mobiles</marc:subfield>
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      <marc:subfield code="a">SED Systems Inc., </marc:subfield>
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