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Code of Federal Regulations

Subpart C

Technical Standards

25.201[Reserved]25.202Frequencies, frequency tolerance, and emission limits.25.203Choice of sites and frequencies.25.204Power and out-of-band emission limits for earth stations.25.205Minimum antenna elevation angle.25.206Station identification.25.207Cessation of emissions.25.208Power flux-density and in-band field strength limits.25.209Earth station antenna performance standards.25.210Technical requirements for space stations.25.211Analog video transmissions in the FSS.25.212Narrowband analog transmissions and digital transmissions in the GSO FSS.25.213Inter-Service coordination requirements for the 1.6/2.4 GHz Mobile-Satellite Service.25.214Technical requirements for space stations in the Satellite Digital Audio Radio Service and associated terrestrial repeaters.25.215[Reserved]25.216Limits on emissions from mobile earth stations for protection of aeronautical radionavigation-satellite service.25.217Default service rules.25.218Off-axis EIRP density envelopes for FSS earth stations transmitting in certain frequency bands.25.219[Reserved]25.220Non-routine transmit/receive earth station operations.25.221-25.223[Reserved]25.224Protection of receive-only earth stations in the 17/24 GHz BSS.25.225Geographic Service Requirements for 17/24 GHz Broadcasting Satellite Service.25.226-25.227[Reserved]25.228Operating and coordination requirements for earth stations in motion (ESIMs).25.229-25.249[Reserved]25.250Sharing between NGSO MSS Feeder links Earth Stations in the 19.3-19.7 GHz and 29.1-29.5 GHz Bands.25.251Special requirements for coordination.25.252[Reserved]25.253Special requirements for ancillary terrestrial components operating in the 1626.5-1660.5 MHz/1525-1559 MHz bands.25.254Special requirements for ancillary terrestrial components operating in the 1610-1626.5 MHz/2483.5-2500 MHz bands.25.255Procedures for resolving harmful interference related to operation of ancillary terrestrial components operating in the 1.5/1.6 GHz and 1.6/2.4 GHz bands.25.256Special Requirements for operations in the 3.65-3.7 GHz band.25.257Special requirements for NGSO MSS operations in the 29.1-29.25 GHz band regarding LMDS.25.258Sharing between NGSO MSS feeder-link stations and GSO FSS services in the 29.25-29.5 GHz band.25.259Time sharing between NOAA meteorological satellite systems and non-voice, non-geostationary satellite systems in the 137-138 MHz band.25.260Time sharing between DoD meteorological satellite systems and non-voice, non-geostationary satellite systems in the 400.15-401 MHz band.25.261Sharing among NGSO FSS space stations.25.262Licensing and domestic coordination requirements for 17/24 GHz BSS space stations and FSS space stations transmitting in the 17.3-17.8 GHz band.25.263Information sharing requirements for SDARS terrestrial repeater operators.25.264Requirements to facilitate reverse-band operation in the 17.3-17.8 GHz band.25.265Acceptance of interference in 2000-2020 MHz.