The ITU Radiocommunication Assembly considering a) that orbital slots for geostationary satellites are a valuable and scarce resource; b) that a knowledge of the operational status of geostationary satellites recorded in the Master International Frequency Register is useful to spectrum management both in developed and developing countries; c) that Recommendation ITU-R SM.1050 defines the tasks of a monitoring service; d) the necessity to locate and eliminate the harmful interference to and from space stations; e) that several monitoring earth stations already exist in various parts of the world and are capable of collecting data relating to radiated emissions from space stations and the necessity to cooperate between these stations; f) that ITU-R Recommendations have been developed based on reported data and standard information exchanging format of monitoring, but lacking description on measurement methods and techniques used in monitoring of emissions from space stations; g) that the monitoring of emissions from terrestrial stations and space stations are different in terms of technique and method.