§ 25.271   Control of transmitting stations.

   (a) The licensee of a facility licensed under this part is responsible
   for the proper operation and maintenance of the station.

   (b) The licensee of a transmitting earth station licensed under this
   part shall ensure that a trained operator is present on the earth
   station site, or at a designated remote control point for the earth
   station, at all times that transmissions are being conducted. No
   operator's license is required for a person to operate or perform
   maintenance on facilities authorized under this part.

   (c) Authority will be granted to operate a transmitting earth station
   by remote control only on the conditions that:

   (1) The parameters of the transmissions of the remote station monitored
   at the control point, and the operational functions of the remote earth
   stations that can be controlled by the operator at the control point,
   are sufficient to ensure that the operations of the remote station(s)
   are at all times in full compliance with the remote station
   authorization(s);

   (2) The earth station facilities are protected by appropriate security
   measures to prevent unauthorized entry or operations;

   (3) Upon detection by the licensee, or upon notification from the
   Commission of a deviation or upon notification by another licensee of
   harmful interference, the operation of the remote station shall be
   immediately suspended by the operator at the control point until the
   deviation or interference is corrected, except that transmissions
   concerning the immediate safety of life or property may be conducted
   for the duration of the emergency; and

   (4) The licensee shall have available at all times the technical
   personnel necessary to perform expeditiously the technical servicing
   and maintenance of the remote stations.

   (5) Operators of blanket-licensed GSO FSS earth station networks that
   provide international service must maintain a control point within the
   United States, or maintain a point of contact within the United States
   available 24 hours a day, 7 days a week, with the ability to shut off
   any earth station within the network immediately upon notification of
   harmful interference.

   (d) The licensee shall insure that the licensed facilities are properly
   secured against unauthorized access or use whenever an operator is not
   present at the transmitter.

   (e) The licensee of an NGSO FSS system operating in the 10.7-14.5 GHz
   bands shall maintain an electronic web site bulletin board to list the
   satellite ephemeris data, for each satellite in the constellation,
   using the North American Aerospace Defense Command (NORAD) two-line
   orbital element format. The orbital elements shall be updated at least
   once every three days.

   (f) The licensee of any transmitting earth station licensed under this
   part must update the contact information provided in the most recent
   license application for the station within 10 days of any change
   therein. The updated information must be filed electronically in the
   “Other Filings” tab of the station's current authorization file in the
   International Bureau Filing System.

   (g) Licensees of transmitting earth stations are prohibited from using
   remote earth stations in their networks that are not designed to stop
   transmission when synchronization to signals from the target satellite
   fails.

   [ 58 FR 13421 , Mar. 11, 1993, as amended at  66 FR 10631 , Feb. 16, 2001;
    70 FR 4787 , Jan. 31, 2005;  70 FR 32257 , June 2, 2005;  74 FR 47107 ,
   Sept. 15, 2009;  78 FR 8430 , Feb. 6, 2013;  79 FR 8325 , Feb. 12, 2014;  81 FR 55349 , Aug. 18, 2016]

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