4. Each record made by the apparatus provided in compliance with article 206(2) or (3) must be adequately identified and in particular must include—
(a)the identification of the aeronautical radio station;
(b)the date or dates on which the record was made;
(c)a means of determining the time at which each message or signal was transmitted or received;
(d)the identity of the aircraft to or from which and the radio frequency on which the message or signal was transmitted or received; and
(e)the time at which the record started and finished.