Table of Parts
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.
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
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.
Sec. 25.140 Qualifications of fixed-satellite space station licensees.
Sec. 25.142 Licensing provisions for the non-voice, non-geostationary
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
Sec. 25.145 Licensing conditions for the Fixed-Satellite Service in the 20/30
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
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
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
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
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
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
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.