1、QUESTION ITU-R 211/7*, *Frequency sharing between the space research service and other services in the 37-38 GHz and 40-40.5 GHz bands (1993) The ITU Radiocommunication Assembly, considering a) that new allocations were made on a primary basis to the space research service at the World Administrativ
2、e Radio Conference for Dealing with Frequency Allocations in Certain Parts of the Spectrum (Mlaga-Torremolinos, 1992) (WARC-92) in the 37-38 and 40-40.5 GHz bands; b) that the bands, or portions thereof, are also allocated to the fixed, mobile, Earth-exploration satellite, fixed-satellite and mobile
3、-satellite services, decides that the following Question should be studied 1 What are the technical and operational characteristics of the space research systems in these bands? 2 What are the appropriate criteria by which the space research service can share these frequencies with the other service
4、s which are also allocated to these bands? 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. *This Question should be brought to the attention of Radiocommunication Study Groups 4, 8 and 9.
