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22 datasets found
telecommunications  Information and Communications 
  • Open Data

    Communication, 1967 Eastern Canada

    Contained within the 4th Edition (1974) of the Atlas of Canada is a map that shows make up of the communications network as of 1967 for Eastern Canada. Microwave routes above 750 megacycles per second are shown and are differentiated between message and television routes, message-only routes and...
    Organization:
    Natural Resources Canada
    Resource Formats:
    • PDF
    • JPG
  • Open Data

    Communication, 1967 Western Canada

    Contained within the 4th Edition (1974) of the Atlas of Canada is a map that shows make up of the communications network as of 1967 for Western Canada. Microwave routes above 750 megacycles per second are shown and are differentiated between message and television routes, message-only routes and...
    Organization:
    Natural Resources Canada
    Resource Formats:
    • PDF
    • JPG
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