Home2021 Treaties and Agreements ...Canada (21-601) – General Coordination Agreement on the Use of the Radio Frequency Spectrum by Terrestrial Radiocommunication Stations and Earth Stations hide Canada (21-601) – General Coordination Agreement on the Use of the Radio Frequency Spectrum by Terrestrial Radiocommunication Stations and Earth Stations TIAS Office of Treaty Affairs June 1, 2021 Telecommunications Signed at Ottawa January 12 and 13, 2021; entered into force June 1, 2021. With Related Exchange of Notes. Download Agreement [2 MB] Tags Canada International Law, Treaties, and Agreements Telecommunications