Английский язык: Сборник текстов и упражнений для студентов специальности "Судовождение". Пенязь Г.В. - 6 стр.

      When a station called does not reply, the call may be repeated at three-minute
intervals. When a station called does not reply to a call sent three times at intervals
of two minutes, the calling shall be ceased and shall not be renewed until after an
interval of 15 minutes. Before renewing the call, the calling station shall ascertain
that the station called is not in communication with another station.
      When a station receives a call without being certain that such a call is intended
for it, it shall not reply until the call has been repeated and understood. The reply to
call consists of: the call sign or other identification of the calling station, not more than
3 times; - the words THIS IS; the call sign or other identification of the station called.

     Notes to the text:
     On duplex basis- в дуплексном режиме
     To take precautions- принимать меры предосторожности
     To be in progress- быть в действии
     In order of preference – по порядку
     To be certain- быть уверенным
     To intend for- предназначать для
     Carrier frequency – несущая частота
     Order of priority- порядок приоритета
     Telephone regulations – телефонный регламент
     To ascertain- удостоверяться

    Задание 3. Прочитайте алфавит, используемый при радиотелефонном
обмене. Обратите внимание на транскрипцию слов.

                                Radiotelephone alphabet

 A - Alfa                                        N – November
 B - Bravo                                       O – Oscar
 C – Charlie                                     P – Papa
 D – Delta                                       Q – Quebeck
 E – Echo                                        R – Romeo
 G – Golf                                        S – Sierra
 H – Hotel                                       T – Tango
 I – India                                       U – Uniform
 J - Juliet                                      V – Victor
 K – Kilo                                        W – Whisky
 L – Lima                                        X – X-ray
 M - Mike                                        Y – Yankee
                                                 Z - Zulu

    Задание 4. Прочитайте и выучите слова и фразы на английском языке и
их русские эквиваленты. Обратите внимание на новые значения знакомых
вам ранее слов.

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