Contents
Article 2Definitions#
For the purposes of this Implementing Regulation, the following definitions shall apply:
(1)‘air traffic control unit’ (ATC unit) means a generic term meaning variously, area control centre, approach control unit, or aerodrome control tower;
(2)‘data link service’ means a set of related air traffic management transactions, supported by air–ground data link communications, which have a clearly defined operational goal and which begin and end on an operational event;
(3)‘offset carrier operation’ means a case where the designated operational coverage cannot be ensured by a single ground transmitter, and where the signals from two or more ground transmitters are offset from the nominal channel centre frequency in order to minimise interference problems.
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