Sec.  22.99   Definitions.

   

   Link to an amendment published at  70 FR 19307 , Apr. 13, 2005.

   Terms used in this part have the following meanings:

   Air-Ground  Radiotelephone  Service.  A  radio service in which common
   carriers  are authorized to offer and provide radio telecommunications
   service for hire to subscribers in aircraft.

   Airborne  station.  A  mobile station in the Air-Ground Radiotelephone
   Service  authorized  for  use  on  aircraft  while in flight or on the
   ground.

   Antenna  structure.  A  structure  comprising an antenna, the tower or
   other  structure  that  exists  solely  to  support  antennas, and any
   surmounting  appurtenances  (attachments  such as beacons or lightning
   rods).

   Antenna.  A  device that converts radio frequency electrical energy to
   radiated  electromagnetic  energy  and  vice  versa; in a transmitting
   station, the device from which radio waves are emitted.

   Authorized  bandwidth.  The  necessary  or  occupied  bandwidth  of an
   emission, whichever is more.

   Authorized  spectrum.  The  spectral  width  of  that  portion  of the
   electromagnetic  spectrum  within  which  the  emission  power  of the
   authorized  transmitter(s)  must  be contained, in accordance with the
   rules  in  this  part.  The  authorized spectrum comprises one channel
   bandwidth or the bandwidths of two or more contiguous channels.

   Auxiliary  test  transmitter.  A fixed transmitter used to test Public
   Mobile systems.

   Base   transmitter.  A  stationary  transmitter  that  provides  radio
   telecommunications service to mobile and/or fixed receivers, including
   those associated with mobile stations.

   Blanketing  interference. Disturbance in consumer receivers located in
   the  immediate  vicinity of a transmitter, caused by currents directly
   induced  into the consumer receiver's circuitry by the relatively high
   field strength of the transmitter.

   Build-out   transmitters.  In  the  Cellular  Radiotelephone  Service,
   transmitters  added  to  the  first  cellular  system  authorized on a
   channel  block  in  a  cellular  market during the five year build-out
   period  in  order  to  expand  the  coverage  of the system within the
   market.

   Cardinal radials. Eight imaginary straight lines extending radially on
   the  ground  from  an  antenna location in the following azimuths with
   respect to true North: 0°, 45°, 90°, 135°, 180°, 225°, 270°, 315°.

   Carrier frequency. The frequency of the unmodulated electrical wave at
   the output of an amplitude modulated (AM), frequency modulated (FM) or
   phase modulated (PM) transmitter.

   Cell.  The  service  area  of  an individual transmitter location in a
   cellular system.

   Cellular  Geographic  Service  Area.  The  geographic area served by a
   cellular  system,  within  which that system is entitled to protection
   and  adverse  effects  are  recognized, for the purpose of determining
   whether a petitioner has standing. See Sec. 22.911.

   Cellular  markets.  Standard  geographic  areas  used  by  the FCC for
   administrative  convenience  in the licensing of cellular systems. See
   Sec. 22.909.

   Cellular  Radiotelephone  Service.  A  radio  service  in which common
   carriers are authorized to offer and provide cellular service for hire
   to  the  general  public.  This  service  was formerly titled Domestic
   Public Cellular Radio Telecommunications Service.

   Cellular   repeater.   In   the  Cellular  Radiotelephone  Service,  a
   stationary  transmitter  or  device that automatically re-radiates the
   transmissions  of  base  transmitters  at  a  particular cell site and
   mobile  stations  communicating  with those base transmitters, with or
   without channel translation.

   Cellular  service.  Radio  telecommunication services provided using a
   cellular system.

   Cellular  system.  An  automated  high-capacity  system of one or more
   multichannel base stations designed to provide radio telecommunication
   services to mobile stations over a wide area in a spectrally efficient
   manner.  Cellular  systems  employ techniques such as low transmitting
   power  and  automatic hand-off between base stations of communications
   in  progress  to  enable  channels  to  be  reused at relatively short
   distances. Cellular systems may also employ digital techniques such as
   voice  encoding  and decoding, data compression, error correction, and
   time  or  code  division  multiple  access in order to increase system
   capacity.

   Center  frequency.  The  frequency of the middle of the bandwidth of a
   channel.

   Central   office   transmitter.  A  fixed  transmitter  in  the  Rural
   Radiotelephone  Service  that  provides  service  to  rural subscriber
   stations.

   CGSA. See Cellular Geographic Service Area.

   Channel.  The  portion of the electromagnetic spectrum assigned by the
   FCC for one emission. In certain circumstances, however, more than one
   emission may be transmitted on a channel. See, for example, Sec. 22.161.

   Channel  bandwidth.  The  spectral width of a channel, as specified in
   this part, within which 99% of the emission power must be contained.

   Channel  block.  A  group  of channels that are assigned together, not
   individually.

   Channel   pair.   Two   channels   that  are  assigned  together,  not
   individually. In this part, channel pairs are indicated by an ellipsis
   between the center frequencies.

   Communications  channel. In the Cellular Radiotelephone and Air-ground
   Radiotelephone   Services,   a   channel   used  to  carry  subscriber
   communications.

   Construction  period.  The  period  between  the  date  of grant of an
   authorization and the date of required commencement of service.

   Control  channel.  In  the  Cellular  Radiotelephone  Service  and the
   Air-ground   Radiotelephone   Service,  a  channel  used  to  transmit
   information  necessary to establish or maintain communications. In the
   other  Public  Mobile  Services,  a  channel that may be assigned to a
   control transmitter.

   Control  point.  A  location  where  the  operation of a public mobile
   station is supervised and controlled by the licensee of that station.

   Control transmitter. A fixed transmitter in the Public Mobile Services
   that  transmits  control signals to one or more base or fixed stations
   for  the  purpose  of  controlling  the operation of the base or fixed
   stations,  and/or  transmits  subscriber communications to one or more
   base or fixed stations that retransmit them to subscribers.

   Dead spots. Small areas within a service area where the field strength
   is  lower  than the minimum level for reliable service. Service within
   dead spots is presumed.

   Dispatch  service.  A radiotelephone service comprising communications
   between   a   dispatcher   and   one   or  more  mobile  units.  These
   communications  normally  do not exceed one minute in duration and are
   transmitted  directly  through a base station, without passing through
   mobile telephone switching facilities.

   Effective  radiated  power  (ERP).  The  effective radiated power of a
   transmitter  (with  antenna, transmission line, duplexers etc.) is the
   power  that  would  be necessary at the input terminals of a reference
   half-wave  dipole  antenna  in order to produce the same maximum field
   intensity.  ERP  is  usually  calculated  by  multiplying the measured
   transmitter  output  power  by  the  specified  antenna  system  gain,
   relative to a half-wave dipole, in the direction of interest.

   Emission. The electromagnetic energy radiated from an antenna.

   Emission designator. An internationally accepted symbol for describing
   an  emission  in terms of its bandwidth and the characteristics of its
   modulation, if any. See Sec. 2.201 of this chapter for details.

   Emission   mask.   The  design  limits  imposed,  as  a  condition  or
   certification,  on  the  mean  power  of  emissions  as  a function of
   frequency  both  within  the  authorized bandwidth and in the adjacent
   spectrum.

   Equivalent   isotropically   radiated  power  (EIRP).  The  equivalent
   isotropically   radiated   power   of  a  transmitter  (with  antenna,
   transmission  line,  duplexers  etc.)  is  the  power  that  would  be
   necessary  at the input terminals of a reference isotropic radiator in
   order  to  produce  the  same  maximum  field  intensity. An isotropic
   radiator  is  a  theoretical  lossless  point source of radiation with
   unity   gain   in  all  directions.  EIRP  is  usually  calculated  by
   multiplying  the  measured  transmitter  output power by the specified
   antenna  system  gain,  relative  to  an  isotropic  radiator,  in the
   direction of interest.

   Extension.  In the Cellular Radiotelephone Service, an area within the
   service  area boundary of a cellular system, but outside of the market
   boundary. See Sec. Sec. 22.911(c) and 22.912.

   Facsimile  service.  Transmission  of  still  images from one place to
   another by means of radio.

   Fill-in  transmitters.  Transmitters  added  to a station, in the same
   area  and  transmitting  on  the  same  channel  or  channel  block as
   previously  authorized  transmitters,  that do not expand the existing
   service  area,  but  are  established  for  the  purpose  of improving
   reception in dead spots.

   Five  year  build-out  period.  A  five  year  period during which the
   licensee of the first cellular system authorized on each channel block
   in  each cellular market may expand the system within that market. See
   Sec. 22.947.

   Fixed  transmitter.  A  stationary  transmitter that communicates with
   other stationary transmitters.

   Frequency.  The number of cycles occurring per second of an electrical
   or electromagnetic wave; a number representing a specific point in the
   electromagnetic spectrum.

   Ground station. In the Air-ground Radiotelephone Service, a stationary
   transmitter that provides service to airborne mobile stations.

   Gulf of Mexico Service Area (GMSA). The cellular market comprising the
   water  area  of the Gulf of Mexico bounded on the West, North and East
   by  the  coastline.  Coastline,  for  this  purpose, means the line of
   ordinary  low water along that portion of the coast which is in direct
   contact  with  the open sea, and the line marking the seaward limit of
   inland  waters. Inland waters include bays, historic inland waters and
   waters  circumscribed  by  a  fringe  of  islands within the immediate
   vicinity of the shoreline.

   Height  above  average  terrain (HAAT). The height of an antenna above
   the average elevation of the surrounding area.

   In-building  radiation  systems.  Supplementary systems comprising low
   power  transmitters,  receivers,  indoor antennas and/or leaky coaxial
   cable  radiators,  designed  to  improve  service  reliability  inside
   buildings  or  structures located within the service areas of stations
   in the Public Mobile Services.

   Initial cellular applications. Applications for authority to construct
   and  operate a new cellular system, excluding applications for interim
   operating authority.

   Interfering  contour.  The  locus  of points surrounding a transmitter
   where  the  predicted  median  field  strength of the signal from that
   transmitter  is  the  maximum field strength that is not considered to
   cause interference at the service contour of another transmitter.

   Interoffice   transmitter.   A   fixed   transmitter   in   the  Rural
   Radiotelephone   Service  that  communicates  with  other  interoffice
   transmitters for the purpose of interconnecting rural central offices.

   Meteor burst propagation mode. A long distance VHF radio communication
   path  occurring as a result of the refraction of electromagnetic waves
   by ionized meteor trails.

   Mobile station. One or more transmitters that are capable of operation
   while in motion.

   Necessary  bandwidth.  The  calculated  spectral width of an emission.
   Calculations  are  made  using  procedures set forth in part 2 of this
   chapter.  The  bandwidth so calculated is considered to be the minimum
   necessary  to  convey information at the desired rate with the desired
   accuracy.

   Occupied  bandwidth.  The  measured spectral width of an emission. The
   measurement  determines  occupied  bandwidth as the difference between
   upper  and lower frequencies where 0.5% of the emission power is above
   the  upper frequency and 0.5% of the emission power is below the lower
   frequency.

   Offshore  central  transmitter.  A  fixed  transmitter in the Offshore
   Radiotelephone  Service  that  provides service to offshore subscriber
   stations.

   Offshore  Radiotelephone  Service.  A  radio  service  in which common
   carriers  are  authorized to offer and provide radio telecommunication
   services for hire to subscribers on structures in the offshore coastal
   waters of the Gulf of Mexico.

   Offshore   subscriber   station.  One  or  more  fixed  and/or  mobile
   transmitters  in  the  Offshore  Radiotelephone  Service  that receive
   service from offshore central transmitters.

   Pager.  A  small radio receiver designed to be carried by a person and
   to  give  an aural, visual or tactile indication when activated by the
   reception  of a radio signal containing its specific code. It may also
   reproduce  sounds  and/or display messages that were also transmitted.
   Some  pagers also transmit a radio signal acknowledging that a message
   has been received.

   Paging  geographic  area authorization. An authorization conveying the
   exclusive   right  to  establish  and  expand  one  or  more  stations
   throughout  a  paging geographic area or, in the case of a partitioned
   geographic area, throughout a specified portion of a paging geographic
   area,  on  a  specified channel allocated for assignment in the Paging
   and  Radiotelephone  Service. These are subject to the conditions that
   no interference may be caused to existing co-channel stations operated
   by  other  licensees  within  the  paging  geographic area and that no
   interference may be caused to existing or proposed co-channel stations
   of other licensees in adjoining paging geographic areas.

   Paging geographic areas. Standard geographic areas used by the FCC for
   administrative  convenience in the licensing of stations to operate on
   channels  allocated  for  assignment  in the Paging and Radiotelephone
   Service. See Sec. 22.503(b).

   Paging  and  Radiotelephone  Service.  A radio service in which common
   carriers are authorized to offer and provide paging and radiotelephone
   service  for  hire  to  the  general public. This service was formerly
   titled Public Land Mobile Service.

   Paging service. Transmission of coded radio signals for the purpose of
   activating  specific  pagers;  such transmissions may include messages
   and/or sounds.

   Partitioned  cellular  market.  A  cellular  market  with  two or more
   authorized  cellular systems on the same channel block during the five
   year  build-out  period,  as  a  result  of settlements during initial
   licensing  or  contract(s)  between the licensee of the first cellular
   system and the licensee(s) of the subsequent systems. See Sec. 22.947(b).

   Public  Mobile  Services.  Radio services in which common carriers are
   authorized  to  offer  and  provide  mobile  and  related  fixed radio
   telecommunication services for hire to the public.

   Radio   common  carrier.  A  telecommunications  common  carrier  that
   provides  radio  communications  services  but  is  not engaged in the
   business of providing landline local exchange telephone service.

   Radio  telecommunication  services. Communication services provided by
   the use of radio, including radiotelephone, radiotelegraph, paging and
   facsimile service.

   Radiotelegraph  service.  Transmission  of  messages from one place to
   another by means of radio.

   Radiotelephone  service.  Transmission  of  sound  from  one  place to
   another by means of radio.

   Repeater.  A  fixed  transmitter that retransmits the signals of other
   stations.

   Roamer. A mobile station receiving service from a station or system in
   the Public Mobile Services other than one to which it is a subscriber.

   Rural Radiotelephone Service. A radio service in which common carriers
   are  authorized  to offer and provide radio telecommunication services
   for  hire  to subscribers in areas where it is not feasible to provide
   communication services by wire or other means.

   Rural  subscriber station. One or more fixed transmitters in the Rural
   Radiotelephone  Service  that  receive  service  from  central  office
   transmitters.

   Service area. The geographic area considered by the FCC to be reliably
   served by a station in the Public Mobile Services.

   Service  contour.  The locus of points surrounding a transmitter where
   the   predicted   median  field  strength  of  the  signal  from  that
   transmitter   is   the  minimum  field  strength  that  is  considered
   sufficient to provide reliable service to mobile stations.

   Service to subscribers. Service to at least one subscriber that is not
   affiliated with, controlled by or related to the providing carrier.

   Signal  booster.  A  stationary  device  that automatically reradiates
   signals  from  base  transmitters without channel translation, for the
   purpose of improving the reliability of existing service by increasing
   the signal strength in dead spots.

   Station.  A station equipped to engage in radio communication or radio
   transmission of energy (47 U.S.C. 153(k)).

   Telecommunications   common   carrier.   An  individual,  partnership,
   association,  joint-stock  company,  trust  or  corporation engaged in
   rendering  radio telecommunications services to the general public for
   hire.

   Temporary  fixed station. One or more fixed transmitters that normally
   do not remain at any particular location for longer than 6 months.

   Universal  licensing  system.  The Universal Licensing System (ULS) is
   the  consolidated  database, application filing system, and processing
   system for all Wireless Radio Services. ULS supports electronic filing
   of  all applications and related documents by applicants and licensees
   in  the  Wireless  Radio  Services,  and  provides  public  access  to
   licensing information.

   Unserved   areas.  With  regard  to  a  channel  block  allocated  for
   assignment  in the Cellular Radiotelephone Service: Geographic area in
   the District of Columbia, or any State, Territory or possession of the
   United  States  of America that is not within the CGSA of any cellular
   system  authorized to transmit on that channel block. With regard to a
   channel  allocated  for  assignment  in  the Paging and Radiotelephone
   Service:  Geographic  area  within  the  District  of Columbia, or any
   State, Territory or possession of the United States of America that is
   not  within the service contour of any base transmitter in any station
   authorized to transmit on that channel.

   Wireline  common  carrier. A telecommunications common carrier that is
   also  engaged  in  the  business  of providing landline local exchange
   telephone service.

   [ 59 FR 59507 , Nov. 17, 1994, as amended at  61 FR 31050 , June 19, 1996;
    61 FR 54098 , Oct. 17, 1996;  62 FR 11628 , Mar. 12, 1997;  63 FR 36603 ,
   July 7, 1998;  63 FR 68943 , Dec. 14, 1998;  67 FR 9609 , Mar. 4, 2002]

Subpart B--Licensing Requirements and Procedures

   

Applications and Notifications