RECOMMENDATION ITU-R S.1560 - Methodology for the calculation of the worst-case interference levels from a particular ... ANNEX 1 - Methodology for the calculation of the worst-case interference levels from a particular type of non-GSO FSS ... 1 Data concerning the non-GSO system 1.1 Space-to-Earth transmissions 1.2 Earth-to-space transmissions 2 Data concerning the GSO network 2.1 Receive earth station sensitivity 2.2 Satellite receive sensitivity 3 Calculation of downlink interference into the GSO network 4 Calculation of uplink interference into the GSO network 5 Multiple non-GSO FSS systems ANNEX 2 - Example of the application of the methodology in this Recommendation to the calculation of the worst-case ... 1 Candidate non-GSO system under consideration 2 Frequency bands 3 Key parameters for calculation of interference to GSO FSS networks in the 4/6 GHz frequency bands 3.1 Downlink interference into GSO networks 3.2 Uplink interference into GSO networks 4 Calculation of downlink interference to the GSO networks 5 Calculation of uplink interference to the GSO networks