1、QUESTION ITU-R 141-3/7*Data transmission for meteorological satellite systems (1990-1993-1995-2000) The ITU Radiocommunication Assembly, considering a) that the data transmission characteristics of meteorological satellite systems, frequencies and bandwidths, and performance, interference and freque
2、ncy sharing criteria are established by Recommendations ITU-R SA.514, ITU-R SA.1025, ITU-R SA.1026, ITU-R SA.1027, ITU-R SA.1159, ITU-R SA.1160 and ITU-R SA.1161; b) that most operators of these systems have established mutual exchanges with a view to optimizing their operation for the benefit of th
3、e world and regional communities, decides that the following Question should be studied 1 What are the operating characteristics of the different meteorological satellite data transmission systems? further decides 1 that the results of the above studies should be included in (a) Recommendation(s); 2 that the above studies should be completed by 2011. _ *In the year 2009, Radiocommunication Study Group 7 extended the completion date of studies for this Question.
