Goto Section: 90.5 | 90.15 | Table of Contents

FCC 90.7
Revised as of October 1, 2009
Goto Year:2008 | 2010
  §  90.7   Definitions.

   220 MHz service. The radio service for the licensing of frequencies in
   the 220–222 MHz band.

   700 MHz Public/Private Partnership. The public/private partnership
   established for the development and operation of a nationwide, shared
   interoperable wireless broadband network operating on the 758–763 MHz
   and 788–793 MHz bands and the 763–768 MHz and 793–798 MHz bands in
   accordance with the Commission's rules.

   800 MHz Cellular System. In the 806–824 MHz/ 851–869 MHz band, a system
   that uses multiple, interconnected, multi-channel transmit/receive
   cells capable of frequency reuse and automatic handoff between cell
   sites to serve a larger number of subscribers than is possible using
   non-cellular technology.

   800 MHz High Density Cellular System. In the 806–824 MHz/ 851–869 MHz
   band, a high density cellular system is defined as a cellular system
   which:

   (1) Has more than five overlapping interactive sites featuring hand-off
   capability; and

   (2) Any one of such sites has an antenna height of less than 30.4
   meters (100 feet) above ground level with an antenna height above
   average terrain (HAAT) of less than 152.4 meters (500 feet) and twenty
   or more paired frequencies.

   900 MHz SMR MTA-based license or MTA license. A license authorizing the
   right to use a specified block of 900 MHz SMR spectrum within one of
   the 47 Major Trading Areas (“MTAs”), as embodied in Rand McNally's
   Trading Areas System MTA Diskette and geographically represented in the
   map contained in Rand McNally's Commercial Atlas & Marketing Guide (the
   “MTA Map”), with the following exceptions and additions:

   (1) Alaska is separated from the Seattle MTA and is licensed
   separately.

   (2) Guam and the Northern Mariana Islands are licensed as a single
   MTA-like area.

   (3) Puerto Rico and the United States Virgin Islands are licensed as a
   single MTA-like area.

   (4) American Samoa is licensed as a single MTA-like area.

   The MTA map is available for public inspection in the Reference
   Information Center (Room CY-A257), 445 12th Steet, SW., Washington, DC.

   Antenna height above average terrain (AAT). Height of the center of the
   radiating element of the antenna above the average terrain. (See
   § 90.309(a)(4) for calculation method.)

   Antenna height above sea level. The height of the topmost point of the
   antenna above mean sea level.

   Antenna structure. Structure on which an antenna is mounted.

   Assigned frequency. Center of a frequency band assigned to a station.

   Assigned frequency band. The frequency band the center of which
   coincides with the frequency assigned to the station and the width of
   which equals the necessary bandwidth plus twice the absolute value of
   the frequency tolerance.

   Authorized bandwidth. The frequency band, specified in kilohertz and
   centered on the carrier frequency containing those frequencies upon
   which a total of 99 percent of the radiated power appears, extended to
   include any discrete frequency upon which the power is at least 0.25
   percent of the total radiated power.

   Automobile emergency licensee. Persons regularly engaged in any of the
   following activities who operate radio stations for transmission of
   communications required for dispatching repair trucks, tow trucks, or
   other road service vehicles to disabled vehicles:

   (1) The operation of a private emergency road service for disabled
   vehicles by associations of owners of private automobiles; or

   (2) The business of providing to the general public an emergency road
   service for disabled vehicles.

   Average terrain. The average elevation of terrain between 3.2 and 16 km
   (2 and 10 miles) from the antenna site.

   Base station. A station at a specified site authorized to communicate
   with mobile stations.

   Basic trading areas. Service areas that are based on the Rand McNally
   1992 Commercial Atlas & Marketing Guide, 123rd Edition, at pages 38–39,
   with the following additions licensed separately as BTA-like areas:
   American Samoa; Guam, Northern Mariana Islands;
   Mayaguez/Aguadilla-Ponce, Puerto Rico; San Juan, Puerto Rico; and the
   United States Virgin Islands. The Mayaguez/Aguadilla-Ponce BTA-like
   service area consists of the following municipios: Adjuntas, Aguada,
   Aguadilla, Anasco, Arroyo, Cabo Rojo, Coamo, Guanica, Guayama,
   Guayanilla, Hormigueros, Isabela, Jayuya, Juana Diaz, Lajas, Las
   Marias, Maricao, Maunabo, Mayaguez, Moca, Patillas, Penuelas, Ponce,
   Quebradillas, Rincon, Sabana Grande, Salinas, San German, Santa Isabel,
   Villalba, and Yauco. The San Juan BTA-like service area consists of all
   other municipios in Puerto Rico.

   Carrier frequency. The frequency of an unmodulated electromagnetic
   wave.

   Channel loading. The number of mobile transmitters authorized to
   operate on a particular channel within the same service area.

   Communications zone . The service area associated with an individual
   fixed Roadside Unit (RSU). The communications zone is determined based
   on the RSU equipment class specified in section 90.375.

   Contention-based protocol . A protocol that allows multiple users to
   share the same spectrum by defining the events that must occur when two
   or more transmitters attempt to simultaneously access the same channel
   and establishing rules by which a transmitter provides reasonable
   opportunities for other transmitters to operate. Such a protocol may
   consist of procedures for initiating new transmissions, procedures for
   determining the state of the channel (available or unavailable), and
   procedures for managing retransmissions in the event of a busy channel.
   Contention-based protocols shall fall into one of two categories:

   (1) An unrestricted contention-based protocol is one which can avoid
   co-frequency interference with devices using all other types of
   contention-based protocols.

   (2) A restricted contention-based protocol is one that does not qualify
   as unrestricted.

   Control point. Any place from which a transmitter's functions may be
   controlled.

   Control station. An Operational Fixed Station, the transmissions of
   which are used to control automatically the emissions or operation of
   another radio station at a specified location.

   Conventional radio system. A method of operation in which one or more
   radio frequency channels are assigned to mobile and base stations but
   are not employed as a trunked group. An “urban-conventional system” is
   one whose transmitter site is located within 24 km (15 miles) of the
   geographic center of any of the first 50 urbanized areas (ranked by
   population) of the United States. A “sub-urban-conventional system” is
   one whose transmitter site is located more than 24 km (15 miles) from
   the geographic center of the first 50 urbanized areas. See Table 21,
   Rank of Urbanized Areas in the United States by Population, page 1–87,
   U.S. Census (1970); and table 1 of § 90.635.

   Critical Infrastructure Industry (CII). State, local government and
   non-government entities, including utilities, railroads, metropolitan
   transit systems, pipelines, private ambulances, volunteer fire
   departments, and not-for-profit organizations that offer emergency road
   services, providing private internal radio services provided these
   private internal radio services are used to protect safety of life,
   health, or property; and are not made commercially available to the
   public.

   Dedicated Short-Range Communications Services (DSRCS) . The use of
   radio techniques to transfer data over short distances between roadside
   and mobile units, between mobile units, and between portable and mobile
   units to perform operations related to the improvement of traffic flow,
   traffic safety, and other intelligent transportation service
   applications in a variety of environments. DSRCS systems may also
   transmit status and instructional messages related to the units
   involved.

   Developmental operation. A specially licensed operation for the purpose
   of testing concepts in the use of radio appropriate to the radio
   services governed by this part.

   Dispatch point. Any place from which radio messages can be originated
   under the supervision of a control point.

   EA-based or EA license. A license authorizing the right to use a
   specified block of SMR or LMS spectrum within one of the 175 Economic
   Areas (EAs) as defined by the Department of Commerce Bureau of Economic
   Analysis. The EA Listings and the EA Map are available for public
   inspection at the Reference Information Center (Room CY-A257), 445 12th
   Steet, SW., Washington, DC 20554.

   Economic Areas (EAs). A total of 175 licensing regions based on the
   United States Department of Commerce Bureau of Economic Analysis
   Economic Areas defined as of February 1995, with the following
   exceptions:

   (1) Guam and Northern Mariana Islands are licensed as a single EA-like
   area (identified as EA 173 in the 220 MHz Service);

   (2) Puerto Rico and the U.S. Virgin Islands are licensed as a single
   EA-like area (identified as EA 174 in the 220 MHz Service); and

   (3) American Samoa is licensed as a single EA-like area (identified as
   EA 175 in the 220 MHz Service).

   Effective radiated power (ERP). The power supplied to an antenna
   multiplied by the relative gain of the antenna in a given direction.

   Emergency medical licensee. Persons or entities engaged in the
   provision of basic or advanced life support services on an ongoing
   basis that operate radio stations for transmission of communications
   essential for the delivery or rendition of emergency medical services
   for the provision of basic or advanced life support.

   Enhanced Specialized Mobile Radio System (ESMR). A specialized mobile
   radio (SMR) system operating in the 800 MHz band which employs an 800
   MHz cellular system as defined in this section.

   Film and video production licensee. Persons primarily engaged in or
   providing direct technical support to the production, videotaping, or
   filming of motion pictures or television programs, such as movies,
   programs, news programs, special events, educational programs, or
   training films, regardless of whether the productions are prepared
   primarily for final exhibition at theatrical outlets or on television
   or for distribution through other mass communications outlets.

   Fire licensee. Any territory, possession, state, city, county, town, or
   similar governmental entity, and persons or organizations charged with
   specific fire protection activities that operate radio stations for
   transmission of communications essential to official fire activities.

   Fixed relay station. A station at a specified site used to communicate
   with another station at another specified site.

   Forest products licensee. Persons primarily engaged in tree logging,
   tree farming, or related woods operations, including related hauling
   activities, if the hauling activities are performed under contract to,
   and exclusively for, persons engaged in woods operations or engaged in
   manufacturing lumber, plywood, hardboard, or pulp and paper products
   from wood fiber.

   Forward links. Transmissions in the frequency bands specified in
   § 90.357(a) and used to control and interrogate the mobile units to be
   located by multilateration LMS systems.

   Frequency coordination. The process of obtaining the recommendation of
   a frequency coordinator for a frequency(ies) that will most effectively
   meet the applicant's needs while minimizing interference to licensees
   already operating within a given frequency band.

   Frequency coordinator. An entity or organization that has been
   certified by the Commission to recommend frequencies for use by
   licensees in the Private Land Mobile Radio Services.

   Geographic center. The geographic center of an urbanized area is
   defined by the coordinates given at table 1 of § 90.635.

   Geophysical telemetry. Telemetry involving the simultaneous
   transmission of seismic data from numerous locations to a central
   receiver and digital recording unit.

   Harmful interference. For the purposes of resolving conflicts between
   stations operating under this part, any emission, radiation, or
   induction which specifically degrades, obstructs, or interrupts the
   service provided by such stations.

   Interconnection. Connection through automatic or manual means of
   private land mobile radio stations with the facilities of the public
   switched telephone network to permit the transmission of messages or
   signals between points in the wireline or radio network of a public
   telephone company and persons served by private land mobile radio
   stations. Wireline or radio circuits or links furnished by common
   carriers, which are used by licensees or other authorized persons for
   transmitter control (including dial-up transmitter control circuits) or
   as an integral part of an authorized, private, internal system of
   communication or as an integral part of dispatch point circuits in a
   private land mobile radio station are not considered to be
   interconnection for purposes of this rule part.

   Internal system. An internal system of communication is one in which
   all messages are transmitted between the fixed operating positions
   located on premises controlled by the licensee and the associated
   mobile stations or paging receivers of the licensee. (See subpart O).

   Interoperability. An essential communication link within public safety
   and public service wireless communications systems which permits units
   from two or more different entities to interact with one another and to
   exchange information according to a prescribed method in order to
   achieve predictable results.

   Itinerant operation. Operation of a radio station at unspecified
   locations for varying periods of time.

   Land mobile radio service. A mobile service between base stations and
   land mobile stations, or between land mobile stations.

   Land mobile radio system. A regularly interacting group of base, mobile
   and associated control and fixed relay stations intended to provide
   land mobile radio communications service over a single area of
   operation.

   Land station. A station in the mobile service not intended to be used
   while in motion. [As used in this part, the term may be used to
   describe a base, control, fixed, operational fixed or fixed relay
   station, or any such station authorized to operate in the “temporary”
   mode.]

   Line A. An imaginary line within the U.S., approximately paralleling
   the U.S.-Canadian border, north of which Commission coordination with
   the Canadian authorities in the assignment of frequencies is generally
   required. It begins at Aberdeen, Washington, running by great circle
   arc to the intersection of 48° N., 120° W., then along parallel 48° N.,
   to the intersection of 95° W., thence by great circle arc through the
   southernmost point of Duluth, Minnesota, thence by great circle arc to
   45° N., 85° W., thence southward along meridian 85° W. to its
   intersection with parallel 41° N., to its intersection with meridian
   82° W., thence by great circle arc through the southernmost point of
   Bangor, Maine, thence by great circle arc through the southernmost of
   Searsport, Maine, at which point it terminates.

   Line C. An imaginary line in Alaska approximately paralleling the
   border with Canada, East of which Commission coordination with Canadian
   authorities in the assignment of frequencies is generally required. It
   begins at the intersection of 70° N., 144° W., thence by great circle
   arc to the intersection of 60° N., 143° W., thence by great circle arc
   so as to include all the Alaskan Panhandle.

   Location and Monitoring Service (LMS). The use of non-voice signaling
   methods to locate or monitor mobile radio units. LMS systems may
   transmit and receive voice and non-voice status and instructional
   information related to such units.

   Major trading areas. Service areas based on the Rand McNally 1992
   Commercial Atlas & Marketing Guide, 123rd Edition, at pages 38–39, with
   the following exceptions and additions:

   (a) Alaska is separated from the Seattle MTA and is licensed
   separately.

   (b) Guam and the Northern Mariana Islands are licensed as a single
   MTA-like area.

   (c) Puerto Rico and the United States Virgin Islands are licensed as a
   single MTA-like area.

   (d) American Samoa is licensed as a single MTA-like area.

   Manufacturers licensee. Persons primarily engaged in any of the
   following manufacturing activities:

   (1) The mechanical or chemical transformation of substances into new
   products within such establishments as plants, factories, shipyards, or
   mills which employ, in that process, powerdriven machines and
   materials-handling equipment;

   (2) The assembly of components of manufactured products within such
   establishments as plants, factories, shipyards, or mills where the new
   product is neither a new structure nor other fixed improvement.
   Establishments primarily engaged in the wholesale or retail trade, or
   in service activities, even though they fabricate or assemble any or
   all the products or commodities handled, are not included in this
   category; or

   (3) The providing of supporting services or materials by a corporation
   to its parent corporation, to another subsidiary of its parent or to
   its own subsidiary, where such supporting services or materials are
   directly related to those regular activities of such parent or
   subsidiary which are eligible under paragraphs (1) or (2) of this
   definition.

   Meteor burst communications. Communications by the propagation of radio
   signals reflected off ionized meteor trails.

   Mobile relay station. A base station in the mobile service authorized
   to retransmit automatically on a mobile service frequency
   communications which originate on the transmitting frequency of the
   mobile station.

   Mobile repeater station. A mobile station authorized to retransmit
   automatically on a mobile service frequency, communications to or from
   hand-carried transmitters.

   Mobile service. A service of radiocommunication between mobile and base
   stations, or between mobile stations.

   Mobile station. A station in the mobile service intended to be used
   while in motion or during halts at unspecified points. This includes
   hand carried transmitters.

   Motor carrier licensee. Persons primarily engaged in providing a common
   or contract motor carrier transportation service in any of the
   following activities: Provided, however, that motor vehicles used as
   taxicabs, livery vehicles, or school buses, and motor vehicles used for
   sightseeing or special charter purposes, shall not be included within
   the meaning of this term. For purposes of this definition, an urban
   area is defined as being one or more contiguous, incorporated or
   unincorporated cities, boroughs, towns, or villages, having an
   aggregate population of 2,500 or more persons.

   (1) The transportation of passengers between urban areas;

   (2) The transportation of property between urban areas;

   (3) The transportation of passengers within a single urban area; or

   (4) The transportation, local distribution or collection of property
   within a single urban area.

   MTA-based license or MTA license. A license authorizing the right to
   use a specified block of SMR spectrum within one of the 51 Major
   Trading Areas (“MTAs”), as embodied in Rand McNally's Trading Area
   System MTA Diskette and geographically represented in the map contained
   in Rand McNally's Commercial Atlas & Marketing Guide (the “MTA Map”).
   The MTA Listings, the MTA Map and the Rand McNally/AMTA license
   agreement are available for public inspection at the Reference
   Information Center in the Consumer and Governmental Affairs Bureau.

   Multilateration LMS system. A system that is designed to locate
   vehicles or other objects by measuring the difference of time of
   arrival, or difference in phase, of signals transmitted from a unit to
   a number of fixed points or from a number of fixed points to the unit
   to be located.

   Mutually exclusive application. Two or more pending applications are
   mutually exclusive if the grant of one application would effectively
   preclude the grant of one or more of the others under Commission rules
   governing the services involved.

   Network assets holder. The Network Assets Holder is a Special Purpose
   Bankruptcy Remote Entity that is formed to hold the assets of the
   shared wireless broadband network associated with the 700 MHz
   Public/Private Partnership, in accordance with the terms of the Network
   Sharing Agreement, such other agreements as the Commission may require
   or allow, and the Commission's rules.

   Network Sharing Agreement (NSA). An agreement entered into between the
   winning bidder, the Upper 700 MHz D Block licensee, the Network Assets
   Holder, the Operating Company, the Public Safety Broadband Licensee,
   and any other related entities that the Commission may require or allow
   regarding the shared wireless broadband network associated with the 700
   MHz Public/Private Partnership that will operate on the 758–763 MHz and
   788–793 MHz bands and the 763–768 MHz and 793–798 MHz bands.

   Non-multilateration LMS System. A system that employs any of a number
   of non-multilateration technologies to transmit information to and/or
   from vehicular units.

   On-Board unit (OBU) . An On-Board Unit is a DSRCS transceiver that is
   normally mounted in or on a vehicle, or which in some instances may be
   a portable unit. An OBU can be operational while a vehicle or person is
   either mobile or stationary. The OBUs receive and contend for time to
   transmit on one or more radio frequency (RF) channels. Except where
   specifically excluded, OBU operation is permitted wherever vehicle
   operation or human passage is permitted. The OBUs mounted in vehicles
   are licensed by rule under part 95 of this chapter and communicate with
   Roadside Units (RSUs) and other OBUs. Portable OBUs are also licensed
   by rule under part 95 of this chapter. OBU operations in the Unlicensed
   National Information Infrastructure (UNII) Bands follow the rules in
   those bands.

   Operating company. The Operating Company is a Special Purpose
   Bankruptcy Remote Entity that is formed to build and operate the shared
   wireless broadband network associated with the 700 MHz Public/Private
   Partnership, in accordance with the terms of the Network Sharing
   Agreement, such other agreements as the Commission may require or
   allow, and the Commission's rules.

   Operational fixed station. A fixed station, not open to public
   correspondence, operated by, and for the sole use of those agencies
   operating their own radiocommunication facilities in the Public Safety,
   Industrial, Land Transportation, Marine, or Aviation Radio Services.
   (This includes all stations in the fixed service under this part.)

   Output power. The radio frequency output power of a transmitter's final
   radio frequency stage as measured at the output terminal while
   connected to a load of the impedance recommended by the manufacturer.

   Paging. A one-way communications service from a base station to mobile
   or fixed receivers that provide signaling or information transfer by
   such means as tone, tone-voice, tactile, optical readout, etc.

   Person. An individual, partnership, association, joint stock company,
   trust or corporation.

   Petroleum licensee. Persons primarily engaged in prospecting for,
   producing, collecting, refining, or transporting by means of pipeline,
   petroleum or petroleum products (including natural gas).

   Police licensee. Any territory, possession, state, city, county, town,
   or similar governmental entity including a governmental institution
   authorized by law to provide its own police protection that operate
   radio stations for transmission of communications essential to official
   police activities.

   Power licensee. Persons primarily engaged in any of the following
   activities:

   (1) The generation, transmission, or distribution of electrical energy
   for use by the general public or by the members of a cooperative
   organization;

   (2) The distribution of manufactured or natural gas by means of pipe
   line, for use by the general public or by the members of a cooperative
   organization, or, in a combination of that activity with the
   production, transmission or storage of manufactured or natural gas
   preparatory to such distribution;

   (3) The distribution of steam by means of pipeline or, of water by
   means of pipeline, canal, or open ditch, for use by the general public
   or by the members of a cooperative organization, or in a combination of
   that activity with the collection, transmission, storage, or
   purification of water or the generation of steam preparatory to such
   distribution; or

   (4) The providing of a supporting service by a corporation directly
   related to activities of its parent corporation, of another subsidiary
   of the same parent, or of its own subsidiary, where the party served is
   regularly engaged in any of the activities set forth in this
   definition.

   Private carrier. An entity licensed in the private services and
   authorized to provide communications service to other private services
   on a commercial basis.

   Public safety broadband license. The Public Safety Broadband License
   authorizes public safety broadband services in the 763–768 MHz and
   793–798 MHz bands on a primary basis.

   Public safety broadband licensee. The licensee of the Public Safety
   Broadband License in the 763–768 MHz and 793–798 MHz bands.

   Radio call box. A transmitter used by the public to request fire,
   police, medical, road service, or other emergency assistance.

   Radio teleprinting. Radio transmissions to a printing telegraphic
   instrument having a signal-actuated mechanism for automatically
   printing received messages.

   Radiodetermination. The determination of position, or the obtaining of
   information relating to position, by means of the propagation of radio
   waves.

   Radiofacsimile. A system of radiocommunication for the transmission of
   fixed images, with or without half-tones, with a view to their
   reproduction in a permanent form.

   Radiolocation. Radiodetermination used for purposes other than those of
   radionavigation.

   Radionavigation. Radiodetermination used for the purposes of
   navigation, including obstruction warning.

   Railroad licensee. Railroad common carriers which are regularly engaged
   in the transportation of passengers or property when such passengers or
   property are transported over all or part of their route by railroad.

   Regional Economic Area Groupings (REAGs). The six geographic areas for
   Regional licensing in the 220–222 MHz band, based on the United States
   Department of Commerce Bureau of Economic Analysis Economic Areas (see
    60 FR 13114  (March 10, 1995)) defined as of February 1995, and
   specified as follows:

   REAG 1 (Northeast): REAG 1 consists of the following EAs: EA 001
   (Bangor, ME) through EA 011 (Harrisburg-Lebanon-Carlisle, PA); and EA
   054 (Erie, PA).

   REAG 2 (Mid-Atlantic): REAG 2 consists of the following EAs: EA 012
   (Philadelphia-Wilmington-Atlantic City, PA-NJ-DE-MD) through EA 026
   (Charleston-North Charleston, SC); EA 041
   (Greenville-Spartanburg-Anderson, SC-NC); EA 042 (Asheville, NC); EA
   044 (Knoxville, TN) through EA 053 (Pittsburgh, PA-WV); and EA 070
   (Louisville, KY-IN).

   REAG 3 (Southeast): REAG 3 consists of the following EAs: EA 027
   (Augusta-Aiken, GA-SC) through EA 040 (Atlanta, GA-AL-NC); EA 043
   (Chattanooga, TN-GA); EA 069 (Evansville-Henderson, IN-KY-IL); EA 071
   (Nashville, TN-KY) through EA 086 (Lake Charles, LA); EA 088
   (Shreveport-Bossier City, LA-AR) through EA 090 (Little Rock-North
   Little Rock, AR); EA 095 (Jonesboro, AR-MO); EA 096 (St. Louis, MO-IL);
   and EA 174 (Puerto Rico and the U.S. Virgin Islands).

   REAG 4 (Great Lakes): REAG 4 consists of the following EAs: EA 055
   Cleveland-Akron, OH-PA) through EA 068 (Champaign-Urbana, IL); EA 097
   (Springfield, IL-MO); and EA 100 (Des Moines, IA-IL-MO) through EA 109
   (Duluth-Superior, MN-WI).

   REAG 5 (Central/Mountain): REAG 5 consists of the following EAs: EA 087
   (Beaumont-Port Arthur, TX); EA 091 (Forth Smith, AR-OK) through EA 094
   (Springfield, MO); EA 098 (Columbia, MO); EA 099 (Kansas City, MO-KS);
   EA 110 (Grand Forks, ND-MN) through EA 146 (Missoula, MT); EA 148
   (Idaho Falls, ID-WY); EA 149 (Twin Falls, ID); EA 152 (Salt Lake
   City-Ogden, UT-ID); and EA 154 (Flagstaff, AZ-UT) through EA 159
   (Tucson, AZ).

   REAG 6 (Pacific): REAG 6 consists of the following EAs: EA 147
   (Spokane, WA-ID); EA 150 (Boise City, ID-OR); EA 151 (Reno, NV-CA); EA
   153 (Las Vegas, NV-AZ-UT); EA 160 (Los Angeles-Riverside-Orange County,
   CA-AZ) through EA 173 (Guam and the Northern Mariana Islands); and EA
   175 (American Samoa).

   Regional license. A license authorizing the right to use a specified
   block of 220–222 MHz spectrum within one of six Regional Economic Area
   Groupings (REAGs).

   Relay press licensee. Persons primarily engaged in the publication of a
   newspaper or in the operation of an established press association.

   Roadside unit (RSU) . A Roadside Unit is a DSRC transceiver that is
   mounted along a road or pedestrian passageway. An RSU may also be
   mounted on a vehicle or is hand carried, but it may only operate when
   the vehicle or hand-carried unit is stationary. Furthermore, an RSU
   operating under this part is restricted to the location where it is
   licensed to operate. However, portable or hand-held RSUs are permitted
   to operate where they do not interfere with a site-licensed operation.
   A RSU broadcasts data to OBUs or exchanges data with OBUs in its
   communications zone. An RSU also provides channel assignments and
   operating instructions to OBUs in its communications zone, when
   required.

   Roadway bed surface . For DSRCS, the road surface at ground level.

   Secondary operation. Radio communications which may not cause
   interference to operations authorized on a primary basis and which are
   not protected from interference from those primary operations.

   Shared wireless broadband network. Wireless broadband network
   associated with the 700 MHz Band Public/Private Partnership that
   operates on the 758–763 MHz and 788–793 MHz bands and the 763–768 MHz
   and 793–798 MHz bands pursuant to the terms of the Network Sharing
   Agreement, such other agreements as the Commission may require or
   allow, and the Commission's rules.

   Signal booster. A device at a fixed location which automatically
   receives, amplifies, and retransmits on a one-way or two-way basis, the
   signals received from base, fixed, mobile, and portable stations, with
   no change in frequency or authorized bandwidth. A signal booster may be
   either narrowband (Class A), in which case the booster amplifies only
   those discrete frequencies intended to be retransmitted, or broadband
   (Class B), in which case all signals within the passband of the signal
   booster filter are amplified.

   SMSA (Standard Metropolitan Statistical Area). A city of 50,000 or more
   population and the surrounding counties.

   Special industrial licensee. Persons regularly engaged in any of the
   following activities:

   (1) The operation of farms, ranches, or similar land areas, for the
   quantity production of crops or plants; vines or trees (excluding
   forestry operations); or for the keeping, grazing or feeding of
   livestock for animal products, animal increase, or value enhancement;

   (2) Plowing, soil conditioning, seeding, fertilizing, or harvesting for
   agricultural activities;

   (3) Spraying or dusting of insecticides, herbicides, or fungicides, in
   areas other than enclosed structures;

   (4) Livestock breeding service;

   (5) The operation of a commercial business regularly engaged in the
   construction of roads, bridges, sewer systems, pipelines, airfields, or
   water, oil, gas, or power production, collection, or distribution
   systems. The construction of buildings is not included in this
   category;

   (6) The operation of mines for the recovery of solid fuels, minerals,
   metal, rock, sand and gravel from the earth or the sea, including the
   exploration for and development of mining properties;

   (7) Maintaining, patrolling or repairing gas or liquid transmission
   pipelines, tank cars, water or waste disposal wells, industrial storage
   tanks, or distribution systems of public utilities;

   (8) Acidizing, cementing, logging, perforating, or shooting activities,
   and services of a similar nature incident to the drilling of new oil or
   gas wells, or the maintenance of production from established wells;

   (9) Supplying chemicals, mud, tools, pipe, and other materials or
   equipment unique to the petroleum and gas production industry, as the
   primary activity of the applicant if delivery, installation or
   application of these materials requires the use of specifically fitted
   conveyances;

   (10) The delivery of ice or fuel to the consumer for heating, lighting,
   refrigeration or power generation purposes, by means other than
   pipelines or railroads when such products are not to be resold
   following their delivery; or

   (11) The delivery and pouring of ready mixed concrete or hot asphalt
   mix.

   Special purpose bankruptcy remote entity. A “special purpose entity” is
   a legal entity created for a special limited purpose, in this context
   primarily to hold the Upper 700 MHz D Block license or the network
   assets, or to conduct the construction or operation of the Shared
   Wireless Broadband Network associated with the 700 MHz Public/Private
   Partnership. A special purpose entity is “bankruptcy remote” if that
   entity is unlikely to become insolvent as a result of its own
   activities, is adequately insulated from the consequences of a related
   party's insolvency, and contains certain characteristics which enhance
   the likelihood that it will not become the subject of an insolvency
   proceeding.

   Specialized Mobile Radio system. A radio system in which licensees
   provide land mobile communications services (other than radiolocation
   services) in the 800 MHz and 900 MHz bands on a commercial basis to
   entities eligible to be licensed under this part, Federal Government
   entities, and individuals.

   State. Any of the 50 United States, the District of Columbia, the
   Commonwealth of Puerto Rico, the Commonwealth of the Northern Mariana
   Islands, the U.S. Virgin Islands, American Samoa, and Guam.

   Station authorization. A license issued by the Commission for the
   operation of a radio station.

   Taxicab licensee. Persons regularly engaged in furnishing to the public
   for hire a nonscheduled passenger land transportation service (which
   may also include the occasional transport of small items of property)
   not operated over a regular route or between established terminals.

   Telecommand . The transmission of non-voice signals for the purpose of
   remotely controlling a device.

   Telemetering (also telemetry). The transmission of non-voice signals
   for the purpose of automatically indicating or recording measurements
   at a distance from the measuring instrument.

   Telephone maintenance licensee . Communications common carriers engaged
   in the provision of landline local exchange telephone service, or
   inter-exchange communications service, and radio communications common
   carriers authorized under part 21 of this chapter. Resellers that do
   not own or control transmission facilities are not included in this
   category.

   Travelers' information station. A base station in the Local Government
   Radio Service used to transmit non-commercial, voice information
   pertaining to traffic and road conditions, traffic hazard and traveler
   advisories, directions, availability of lodging, rest stops, and
   service stations, and descriptions of local points of interest.

   Trunk group. All of the trunks of a given type of characteristic that
   extend between two switching points.

   Trunk (telephony). A one or two-way channel provided as a common
   traffic artery between switching equipment.

   Trunked radio system. A radio system employing technology that provides
   the ability to search two or more available channels and automatically
   assign a user an open channel.

   Universal Licensing System (ULS). The consolidated database,
   application filing system and processing system for all Wireless
   Telecommunications Services. The ULS offers Wireless Telecommunications
   Bureau (WTB) applicants and the general public electronic filing of all
   applications requests, and full public access to all WTB licensing
   data.

   Upper 700 MHz D Block license. The Upper 700 MHz D Block license is the
   nationwide license associated with the 758–763 MHz and 788–793 MHz
   bands.

   Upper 700 MHz D Block licensee. The Special Purpose Bankruptcy Remote
   Entity to which the Upper 700 MHz D Block license must be transferred
   upon execution of the Network Sharing Agreement. References herein to
   the rights and obligations of the Upper 700 MHz D Block licensee
   include the exercise or discharge of such rights or obligations,
   respectively, by related entities as are provided for in the NSA or
   otherwise as authorized by the Commission.

   Urbanized area. A city and the surrounding closely settled territories.

   [ 43 FR 54791 , Nov. 22, 1978]

   Editorial Note:   ForFederal Registercitations affecting § 90.7, see the
   List of CFR Sections Affected, which appears in the Finding Aids
   section of the printed volume and on GPO Access.

Subpart B—Public Safety Radio Pool

   Source:    62 FR 18845 , Apr. 17, 1997, unless otherwise noted.


Goto Section: 90.5 | 90.15

Goto Year: 2008 | 2010
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