TDRA Regulations for Private Mobile Radio, Version 3.0 Article (5) Spectrum Coordination and Notification 5.1 Coordination of Radio Frequencies for radio Stations at the national, regional and international levels shall be made through the Authority, as it is the sole body responsible for radio frequency coordination. 5.2 Notifying and Registering of Radio Frequencies in the ITU shall be made through the Authority according to the procedures outlined in the Radio Regulations. 5.3 The Applicant shall support the coordination procedures. 8