§ 97.205   Repeater station.

   (a) Any amateur station licensed to a holder of a Technician, General,
   Advanced or Amateur Extra Class operator license may be a repeater. A holder
   of a Technician, General, Advanced or Amateur Extra Class operator license
   may be the control operator of a repeater, subject to the privileges of the
   class of operator license held.

   (b) A repeater may receive and retransmit only on the 10 m and shorter
   wavelength  frequency  bands  except the 28.0-29.5 MHz, 50.0-51.0 MHz,
   144.0-144.5 MHz, 145.5-146.0 MHz, 222.00-222.15 MHz, 431.0-433.0 Mhz, and
   435.0-438.0 Mhz segments.

   (c) Where the transmissions of a repeater cause harmful interference to
   another  repeater,  the  two  station  licensees are equally and fully
   responsible for resolving the interference unless the operation of one
   station is recommended by a frequency coordinator and the operation of the
   other station is not. In that case, the licensee of the non-coordinated
   repeater has primary responsibility to resolve the interference.

   (d) A repeater may be automatically controlled.

   (e) Ancillary functions of a repeater that are available to users on the
   input  channel are not considered remotely controlled functions of the
   station. Limiting the use of a repeater to only certain user stations is
   permissible.

   (f) [Reserved]

   (g)  The control operator of a repeater that retransmits inadvertently
   communications that violate the rules in this part is not accountable for
   the violative communications.

   (h) The provisions of this paragraph do not apply to repeaters that transmit
   on the 1.2 cm or shorter wavelength bands. Before establishing a repeater
   within 16 km (10 miles) of the Arecibo Observatory or before changing the
   transmitting frequency, transmitter power, antenna height or directivity of
   an existing repeater, the station licensee must give written notification
   thereof to the Interference Office, Arecibo Observatory, HC3 Box 53995,
   Arecibo, Puerto Rico 00612, in writing or electronically, of the technical
   parameters of the proposal. Licensees who choose to transmit information
   electronically should e-mail to: prcz@naic.edu.

   (1) The notification shall state the geographical coordinates of the antenna
   (NAD-83 datum), antenna height above mean sea level (AMSL), antenna center
   of  radiation  above ground level (AGL), antenna directivity and gain,
   proposed frequency and FCC Rule Part, type of emission, effective radiated
   power, and whether the proposed use is itinerant. Licensees may wish to
   consult interference guidelines provided by Cornell University.

   (2) If an objection to the proposed operation is received by the FCC from
   the Arecibo Observatory, Arecibo, Puerto Rico, within 20 days from the date
   of notification, the FCC will consider all aspects of the problem and take
   whatever action is deemed appropriate. The licensee will be required to make
   reasonable  efforts  in  order  to  resolve  or mitigate any potential
   interference problem with the Arecibo Observatory.

   [ 54 FR 25857 , June 20, 1989, as amended at  55 FR 4613 , Feb. 9, 1990;  56 FR 32517 , July 17, 1991;  58 FR 64385 , Dec. 7, 1993;  59 FR 18975 , Apr. 21, 1994;
    62 FR 55536 , Oct. 27, 1997;  63 FR 41205 , Aug. 3, 1998;  63 FR 68980 , Dec. 14,
   1998;  69 FR 24997 , May 5, 2004;  70 FR 31374 , June 1, 2005]

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