Table of Parts
   
                             Subpart A—General

    Sec.  25.101   Basis and scope.
    Sec.  25.102   Station authorization required.
    Sec.  25.103   Definitions.
    Sec.  25.104   Preemption of local zoning of earth stations.
    Sec.  Sec.  25.105-25.108   [Reserved]
    Sec.  25.109   Cross-reference.
   
                    Subpart B—Applications and Licenses

   General Application Filing Requirements
    Sec.  25.110   Filing of applications, fees, and number of copies.
    Sec.  25.111   Additional information.
    Sec.  25.112   Defective applications.
    Sec.  25.113   Station licenses and launch authority.
    Sec.  25.114   Applications for space station authorizations.
    Sec.  25.115   Application for earth station authorizations.
    Sec.  25.116   Amendments to applications.
    Sec.  25.117   Modification of station license.
    Sec.  25.118   Modifications not requiring prior authorization.
    Sec.  25.119   Assignment or transfer of control of station authorization.
    Sec.  25.120   Application for special temporary authorization.
    Sec.  25.121   License term and renewals.
    Sec.  25.129   Equipment authorization for portable earth-station transceivers.
   Earth Stations
    Sec.  25.130   Filing requirements for transmitting earth stations.
    Sec.  25.131   Filing requirements for receive-only earth stations.
    Sec.  25.132   Verification of earth station antenna performance standards.
    Sec.  25.133   Period  of  construction;  certification of commencement of
   operation.
    Sec.  25.134   Licensing provisions of Very Small Aperture Terminal (VSAT) and
   C-band Small Aperture Terminal (CSAT) networks.
    Sec.  25.135   Licensing provisions for earth station networks in the non-voice,
   non-geostationary mobile-satellite service.
    Sec.  25.136   Licensing provisions for user transceivers in the 1.6/2.4 GHz,
   1.5/1.6 GHz, and 2 GHz Mobile Satellite Services.
    Sec.  25.137   Application  requirements for earth stations operating with
   non-U.S. licensed space stations.
    Sec.  25.138   Blanket Licensing provisions of GSO FSS Earth Stations in the
   18.3–18.8 GHz (space-to-Earth), 19.7–20.2 GHz (space-to-Earth), 28.35–28.6
   GHz (Earth-to-space), and 29.25–30.0 GHz (Earth-to-space) bands.
    Sec.  25.139   NGSO FSS coordination and information sharing between MVDDS
   licensees in the 12.2 GHz to 12.7 GHz band.
   Space Stations
    Sec.  25.140   Qualifications of fixed-satellite space station licensees.
    Sec.  25.142   Licensing  provisions  for the non-voice, non-geostationary
   mobile-satellite service.
    Sec.  25.143   Licensing provisions for the 1.6/2.4 GHz mobile-satellite service
   and 2 GHz mobile-satellite service.
    Sec.  25.144   Licensing provisions for the 2.3 GHz satellite digital audio
   radio service.
    Sec.  25.145   Licensing conditions for the Fixed-Satellite Service in the 20/30
   GHz bands.
    Sec.  25.146   Licensing  and  operating  authorization provisions for the
   non-geostationary satellite orbit fixed-satellite service (NGSO FSS) in the
   bands 10.7 GHz to 14.5 GHz.
    Sec.  25.147   Licensing provision for NGSO MSS feeder downlinks in the band
   6700–6875 MHz.
    Sec.  25.148   Licensing provisions for the Direct Broadcast Satellite Service.
    Sec.  25.149   Application requirements for ancillary terrestrial components in
   the mobile-satellite service networks operating in the 1.5./1.6 GHz, 1.6/2.4
   GHz and 2 GHz mobile-satellite service.
   Processing of Applications
    Sec.  25.150   Receipt of applications.
    Sec.  25.151   Public notice period.
    Sec.  25.152   Dismissal and return of applications.
    Sec.  25.153   Repetitious applications.
    Sec.  25.154   Opposition to applications and other pleadings.
    Sec.  25.155   Mutually exclusive applications.
    Sec.  25.156   Consideration of applications.
    Sec.  25.157   Consideration of NGSO-like satellite applications.
    Sec.  25.158   Consideration of GSO-like satellite applications.
    Sec.  25.159   Limits on pending applications and unbuilt satellite systems.
   Forfeiture, Termination, and Reinstatement of Station Authorization
    Sec.  25.160   Administrative sanctions.
    Sec.  25.161   Automatic termination of station authorization.
    Sec.  25.162   Cause for termination of interference protection.
    Sec.  25.163   Reinstatement.
    Sec.  25.164   Milestones.
    Sec.  25.165   Posting of bonds.
   
                       Subpart C—Technical Standards

    Sec.  25.201   Definitions.
    Sec.  25.202   Frequencies, frequency tolerance and emission limitations.
    Sec.  25.203   Choice of sites and frequencies.
    Sec.  25.204   Power limits.
    Sec.  25.205   Minimum angle of antenna elevation.
    Sec.  25.206   Station identification.
    Sec.  25.207   Cessation of emissions.
    Sec.  25.208   Power flux density limits.
    Sec.  25.209   Antenna performance standards.
    Sec.  25.210   Technical requirements for space stations in the Fixed-Satellite
   Service.
    Sec.  25.211   Analog video transmissions in the Fixed-Satellite Services.
    Sec.  25.212   Narrowband analog transmissions, digital transmissions, and video
   transmissions in the GSO Fixed-Satellite Service.
    Sec.  25.213   Inter-Service coordination requirements for the 1.6/2.4 GHz
   mobile-satellite service.
    Sec.  25.214   Technical  requirements for space stations in the satellite
   digital audio radio service.
    Sec.  25.215   Technical requirements for space stations in the Direct Broadcast
   Satellite Service.
    Sec.  25.216   Limits on emissions from mobile earth stations for protection of
   aeronautical radionavigation-satellite service.
    Sec.  25.217   Default service rules.
    Sec.  Sec.  25.218-25.219   [Reserved]
    Sec.  25.220   Non-conforming transmit/receive earth station operations.
    Sec.  25.221   Blanket Licensing provisions for Earth Stations on Vessels (ESVs)
   receiving  in  the  3700–4200  MHz (space-to-Earth) frequency band and
   transmitting in the 5925–6425 MHz (Earth-to-space) frequency band, operating
   with Geostationary Satellites in the Fixed-Satellite Service.
    Sec.  25.222   Blanket Licensing provisions for Earth Stations on Vessels (ESVs)
   receiving  in  the  10.95–11.2  GHz  (space-to-Earth),  11.45–11.7 GHz
   (space-to-Earth),  11.7–12.2  GHz (space-to-Earth) frequency bands and
   transmitting in the 14.0–14.5 GHz (Earth-to-space) frequency band, operating
   with Geostationary Satellites in the Fixed-Satellite Service.
    Sec.  25.223   Off-axis EIRP spectral density limits for feeder link earth
   stations in the 17/24 GHz BSS.
    Sec.  25.224   Protection of receive-only earth stations in the 17/24 GHz BSS.
    Sec.  25.225   Geographic  Service Requirements for 17/24 GHz Broadcasting
   Satellite Service.
    Sec.  Sec.  25.226-25.249   [Reserved]
    Sec.  25.250   Sharing between NGSO MSS Feeder links Earth Stations in the
   19.3–19.7 GHz and 29.1–29.5 GHz Bands.
    Sec.  25.251   Special requirements for coordination.
    Sec.  25.252   Special  requirements  for ancillary terrestrial components
   operating in the 2000–2020 MHz/2180–2200 MHz bands.
    Sec.  25.253   Special  requirements  for ancillary terrestrial components
   operating in the 1626.5–1660.5 MHz/1525–1559 MHz bands.
    Sec.  25.254   Special  requirements  for ancillary terrestrial components
   operating in the 1610–1626.5 MHz/2483.5–2500 MHz bands.
    Sec.  25.255   Procedures  for  resolving  harmful interference related to
   operation of ancillary terrestrial components operating in the 1.5./1.6 GHz,
   1.6/2.4 GHz and 2 GHz bands.
    Sec.  25.256   Special Requirements for operations in the 3.65–3.7 GHz band.
    Sec.  25.257   Special requirements for operations in the band 29.1–29.25 GHz
   between NGSO MSS and LMDS.
    Sec.  25.258   Sharing  between NGSO MSS Feeder links Stations and GSO FSS
   services in the 29.25–29.5 GHz Bands.
    Sec.  25.259   Time sharing between NOAA meteorological satellite systems and
   non-voice, non-geostationary satellite systems in the 137–138 MHz band.
    Sec.  25.260   Time sharing between DoD meteorological satellite systems and
   non-voice, non-geostationary satellite systems in the 400.15–401 MHz band.
    Sec.  25.261   Procedures for avoidance of in-line interference events for Non
   Geostationary Satellite Orbit (NGSO) Satellite Network Operations in the
   Fixed Satellite Service (FSS) Bands.
    Sec.  25.262   Licensing and domestic coordination requirements for 17/24 GHz
   BSS space stations.
   
                       Subpart D—Technical Operations

    Sec.  25.271   Control of transmitting stations.
    Sec.  25.272   General inter-system coordination procedures.
    Sec.  25.273   Duties regarding space communications transmissions.
    Sec.  25.274   Procedures to be followed in the event of harmful interference.
    Sec.  25.275   Particulars of operation.
    Sec.  25.276   Points of communication.
    Sec.  25.277   Temporary fixed earth station operations.
    Sec.  25.278   Additional coordination obligation for non-geostationary and
   geostationary  satellite  systems  in  frequencies  allocated  to  the
   fixed-satellite service.
    Sec.  25.279   Inter-satellite service.
    Sec.  25.280   Inclined orbit operations.
    Sec.  25.281   Automatic Transmitter Identification System (ATIS).
    Sec.  25.282   Orbit raising maneuvers.
    Sec.  25.283   End-of-life disposal.
    Sec.  25.284   Emergency Call Center Service.
   
                            Subpart E [Reserved]

             Subpart F—Competitive Bidding Procedures for DARS

    Sec.  25.401   Satellite DARS applications subject to competitive bidding.
    Sec.  25.402   [Reserved]
    Sec.  25.403   Bidding application and certification procedures.
    Sec.  25.404   Submission of down payment and filing of long-form applications.
    Sec.  Sec.  25.405-25.406   [Reserved]
   
                          Subparts G–H [Reserved]

                  Subpart I—Equal Employment Opportunities

    Sec.  25.601   Equal employment opportunities.
   
                   Subpart J—Public Interest Obligations

    Sec.  25.701   Public interest obligations.
   ___________________________________

   Authority:   47 U.S.C. 701–744. Interprets or applies Sections 4, 301, 302,
   303, 307, 309 and 332 of the Communications Act, as amended, 47 U.S.C.
   Sections 154, 301, 302, 303, 307, 309 and 332, unless otherwise noted.

Subpart A—General