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ITU-R S.1556-0 Methodology to determine the epfddown level corresponding to the loss of synchronization in geostationary fixed satellite service networks caused by interference from non-geostationary-satellite systems
ITU-R S.1557-0 Operational requirements and characteristics of fixed-satellite service systems operating in the 50/40 GHz bands for use in sharing studies between the fixed-satellite service and the fixed service
ITU-R S.1559-0 Methodology for computing the geographical distribution of maximum downlink equivalent power flux-density levels generated by non-geostationary fixed-satellite service systems using circular orbits
ITU-R S.1558-0 Methodologies for measuring epfddown caused by a non-geostationary-satellite orbit space station to verify compliance with operational epfdown limits
ITU-R S.1560-0 Methodology for the calculation of the worst-case interference levels from a particular type of non-geostationary fixed-satellite service system using highly-elliptical orbits into geostationary fixed-satellite service satellite networks operating in the 4/6 GHz frequency bands
ITU-R SNG.1561-0 Digital transmission of high-definition television for satellite news gathering and outside broadcasting
ITU-R S.673-2 Terms and definitions relating to space radiocommunications
ITU-T I.366.2 Corrigendum 1 I.366.2 (2000) Corrigendum 1
ITU-T H.501 Protocol for mobility management and intra/inter-domain communication in multimedia systems
ITU-T H.510 Mobility for H.323 multimedia systems and services
ITU-T H.530 Symmetric security procedures for H.323 mobility in H.510
ITU-T H.248.13 Gateway control protocol: Quality Alert Ceasing package