00000nam 2200000zi 4500 9.884823 CaOODSP 20221107170951 m o d f cr cn||||||||| 200219s1975 onca ob f000 0 eng d CaOODSP eng rda CaOODSP Co24-411/1975E-PDF Gossain, D., author. Technology survey of deployable parabolic antennas and extendible helical antennas for spacecraft / prepared by D. Gossain ; prepared by E. Quittner. [Ottawa] : [Department of Communications], 1975. 1 online resource (1 volume (various pagings)) : illustrations text txt rdacontent computer c rdamedia online resource cr rdacarrier "SPAR-R. 673." "Issue A." "April, 1975." Digitized edition from print [produced by Innovation, Science and Economic Development Canada]. Some pages rotated in this copy. Includes bibliographical references. Issued also in print format. Space vehicles Radio antennas. Antennas, Reflector. Spiral antennas. Véhicules spatiaux Antennes de radio. Antennes à réflecteur. Antennes spirales. Canada. Department of Communications. Spar Aerospace Products Ltd. PDF 22.54 MB https://publications.gc.ca/collections/collection_2020/isde-ised/Co24/Co24-411-1975-eng.pdf