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      <marc:subfield code="a">Co24-100/1980E-PDF</marc:subfield>
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      <marc:subfield code="a">Lau, Ed C. W., </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">To study the propagation at VHF/UHF in the great lakes region : </marc:subfield>
      <marc:subfield code="b">final report / </marc:subfield>
      <marc:subfield code="c">prepared by Ed C.W. Lau, J.W. MacDougall.</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">[1980]</marc:subfield>
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    <marc:datafield tag="264" ind1=" " ind2="0">
      <marc:subfield code="a">London, Canada : </marc:subfield>
      <marc:subfield code="b">University of Western Ontario, Centre for Radio Science, </marc:subfield>
      <marc:subfield code="c">July 1980.</marc:subfield>
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      <marc:subfield code="a">1 online resource (9 pages, 15 unnumbered pages) : </marc:subfield>
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      <marc:subfield code="a">computer</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. </marc:subfield>
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      <marc:subfield code="a">"Height-gain and correlation measurements for a 145 km path show a variation of the profile between low and high signal conditions which may be reproduced by combining a scattered component with a small height-gain variation and a diffracted-refracted component which has a '6 db per doubling' variation"--Abstract.</marc:subfield>
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      <marc:subfield code="2">gccst</marc:subfield>
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      <marc:subfield code="a">MacDougall, J. W., </marc:subfield>
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      <marc:subfield code="a">Canada. </marc:subfield>
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      <marc:subfield code="q">PDF</marc:subfield>
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      <marc:subfield code="u">https://publications.gc.ca/collections/collection_2019/isde-ised/Co24/Co24-100-1980-eng.pdf</marc:subfield>
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