Home2005 Treaties and Agreements ...Canada (05-620) – Agreement Amending the Agreement of October 24, 1962, as Amended, Concerning the Coordination and Use of Radio Frequencies Above Thirty Megacycles per Second hide Canada (05-620) – Agreement Amending the Agreement of October 24, 1962, as Amended, Concerning the Coordination and Use of Radio Frequencies Above Thirty Megacycles per Second TIAS Office of Treaty Affairs June 20, 2005 Telecommunications: Radio Frequencies Agreement effected by exchange of notes at Washington June 15 and 20, 2005; entered into force June 20, 2005. Download attachment [2 MB] Tags Canada Telecommunications Treaties