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78 PP-98 1. 1) The functions of the Radiocommunication Sector shall be, bearing in mind the particular concerns of developing countries, to fulfil the purposes of the Union, as stated in Article 1 of this Constitution, relating to radiocommunication:
– by ensuring the rational, equitable, efficient and economical use of the radio-frequency spectrum by all radiocommunication services, including those using the geostationary-satellite or other satellite orbits, subject to the provisions of Article 44 of this Constitution, and
– by carrying out studies without limit of frequency range and adopting recommendations on radiocommunication matters.
79 2) The precise responsibilities of the Radiocommunication Sector and the Telecommunication Standardization Sector shall be subject to continuing review, in close cooperation, with regard to matters of common interest to both Sectors, in accordance with the relevant provisions of the Convention. Close coordination shall be carried out between the Radiocommunication, Telecommunication Standardization and Telecommunication Development Sectors.
80 2. The Radiocommunication Sector shall work through:
81 a) world and regional radiocommunication conferences;
82 b) the Radio Regulations Board;
83 PP-98 c) radiocommunication assemblies;
84 d) radiocommunication study groups;
84A PP-98 dbis) the radiocommunication advisory group;
85 e) the Radiocommunication Bureau, headed by the elected Director.
86 3. The Radiocommunication Sector shall have as members:
87 PP-98 a) of right, the administrations of all Member States;
88 PP-98 b) any entity or organization which becomes a Sector Member in accordance with the relevant provisions of the Convention.