00000nas 2200000zi 4500 9.955824 CaOODSP 20251031093145 m o d f cr bn |||||||| 250926d19771982oncbx p o f0### 0eng|d 0707-7564 CaOODSP eng rda CaOODSP eng fre n-cn--- Co12-3-PDF Modulation = Modulation. Modulation Ottawa : Ministère des communications = Department of Communications, [1977-1982] Bimonthly text txt rdacontent computer c rdamedia online resource cr rdacarrier Began with: No. 15 (July 1977); ceased with: No. 33 (June 1982). Digitized edition from print [produced by Innovation, Science and Economic Development Canada]. Text in English and French in parallel columns. Description based on: No. 15 (July 1977); title from PDF caption. Latest issue consulted: No. 33 (June 1982). Canada. Department of Communications Periodicals. Communication and traffic Canada Periodicals. Telecommunication Canada Periodicals. Periodicals lcgft Canada. Department of Communications, issuing body. Jour 60 = (CaOODSP)9.955524 Communications express. (CaOODSP)9.955953 Modulation = fre (CaOODSP)9.955823