148	1	Radiocommunication study groups are set up by a radiocommunication assembly.	
149  
PP-98	2	1)	The radiocommunication study groups shall study questions adopted in accordance with a procedure established by the radiocommunication assembly and prepare draft recommendations to be adopted in accordance with the procedure set forth in Nos. 246A to 247 of this Convention.	
149A  
PP-98		1 bis)	The radiocommunication study groups shall also study topics identified in resolutions and recommendations of world radiocommunication conferences. The results of such studies shall be included in recommendations or in the reports prepared in accordance with No. 156 below.	
150  
PP-98		2)	The study of the above questions and topics shall, subject to No. 158 below, focus on the following:	
151  
PP-98	a)	use of the radio-frequency spectrum in terrestrial and space radiocommunication and of the geostationary-satellite and other satellite orbits;	
152	b)	characteristics and performance of radio systems;	
153	c)	operation of radio stations;	
154	d)	radiocommunication aspects of distress and safety matters.	
155  
PP-98		3)	These studies shall not generally address economic questions, but when they involve comparing technical or operational alternatives, economic factors may be taken into consideration.	
156	3	The radiocommunication study groups shall also carry out preparatory studies of the technical, operational and procedural matters to be considered by world and regional radiocommunication conferences and elaborate reports thereon in accordance with a programme of work adopted in this respect by a radiocommunication assembly or following instructions by the Council.	
157	4	Each study group shall prepare for the radiocommunication assembly a report indicating the progress of work, the recommendations adopted in accordance with the consultation procedure contained in No. 149 above and any draft new or revised recommendations for consideration by the assembly.	
158	5	Taking into account No. 79 of the Constitution, the tasks enumerated in Nos. 151 to 154 above and in No. 193 of this Convention in relation to the Telecommunication Standardization Sector shall be kept under continuing review by the Radiocommunication Sector and the Telecommunication Standardization Sector with a view to reaching common agreement on changes in the distribution of matters under study. The two Sectors shall cooperate closely and adopt procedures to conduct such a review and reach agreements in a timely and effective manner. If agreement is not reached, the matter may be submitted through the Council to the Plenipotentiary Conference for decision.	
159	6	In the performance of their studies, the radiocommunication study groups shall pay due attention to the study of questions and to the formulation of recommendations directly connected with the establishment, development and improvement of telecommunications in developing countries at both the regional and international levels. They shall conduct their work giving due consideration to the work of national, regional and other international organizations concerned with radiocommunication and cooperate with them, keeping in mind the need for the Union to maintain its pre-eminent position in the field of telecommunications.	
160	7	For the purpose of facilitating the review of activities in the Radiocommunication Sector, measures should be taken to foster cooperation and coordination with other organizations concerned with radiocommunication and with the Telecommunication Standardization Sector and the Telecommunication Development Sector. A radiocommunication assembly shall determine the specific duties, conditions of participation and rules of procedure for these measures.