1. 國際遇險頻率中，中頻(MF)數位選擇呼叫(DSC)，係採用何種頻率進行收發信文？ (A)2182.0 KHz(B)2183.5 KHz (C) 2185.0 KHz (D) 2187.5 KHz

1. 國際遇險頻率中，中頻(MF)數位選擇呼叫(DSC)，係採用何種頻率進行收發信文？
(A)2182.0 KHz
(B)2183.5 KHz
(C) 2185.0 KHz
(D) 2187.5 KHz

答案：登入後查看
統計： A(142), B(27), C(18), D(504), E(0) #2999675

詳解 (共 1 筆)

164-1榜首

B1 · 2024/07/19

#6169735

數位選擇呼叫(DSC)，採中頻MF2187.5KHz/VHF CH70進行收發信文。

緊急信文採中頻MF2187.0KHz/VHF CH16。

8. All persons who are assigned duty as officer in charge of a watch or as a rating forming part of a watch and those whose duties involve designated safety, prevention of pollution and security duties shall be provided with a rest period of not less than: a minimum of 10 hours of rest in any 24-hour period； and ____ hours in any 7-day period. The hours of rest may be divided into no more than two periods, one of which shall be at least 6 hours in length, and the intervals between consecutive periods of rest shall not exceed 14 hours. Parties may allow exceptions from the required hours of rest in paragraphs mentioned above provided that the rest period is not less than 70 hours in any 7-day period. (A) 11 (B) 10 (C) 70 (D) 77

1. 國際遇險頻率中，中頻(MF)數位選擇呼叫(DSC)，係採用何種頻率進行收發信文？
(A)2182.0 KHz
(B)2183.5 KHz
(C) 2185.0 KHz
(D) 2187.5 KHz

詳解 (共 1 筆)

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