視覺信號(hào)通信(參考版)
2024-12-31 20:21本頁面
【正文】 ? Example: ? BravoOscarHotelTango, this is harbor radio. There is a vessel with difficult tow, LimaAlfaBravoCharlie, ahead of you, navigate with caution. 謝謝觀看 /歡迎下載 BY FAITH I MEAN A VISION OF GOOD ONE CHERISHES AND THE ENTHUSIASM THAT PUSHES ONE TO SEEK ITS FULFILLMENT REGARDLESS OF OBSTACLES. BY FAITH I BY FAITH 。 CALL SIGN ? 呼號(hào)的用途 ?呼號(hào)是特指某船的一組符號(hào)，代表船舶的名字，但比船名更可靠，并且方便簡單，在通信中互相識(shí)別時(shí)經(jīng)常使用。起始的一個(gè)或兩個(gè)字母通常代表船舶所屬國。就好比船舶專用身份證一樣，因?yàn)槭褂脭?shù)字信號(hào)或者報(bào)告船名在識(shí)別上由于發(fā)音問題可能導(dǎo)致誤解，所以采用了專用的呼號(hào)，呼號(hào)的發(fā)音也是特殊專用的，很容易識(shí)別。 ? Z+4 numerals — GMT or UTC. CALL SIGN ? 船舶呼號(hào)（ CALL SIGN），是國際海事組織 IMO指定給每條船舶唯一的識(shí)別信號(hào)，屬于海上通信識(shí)別方式之一 【 Ship ’s name, Call sign, Identity code（ Maritime Mobile Service Identities） 】 。 ? T+4 numerals —Local Time； ? G+4 or 5 numerals — Longitude。 Not distance ! ? L+4 numerals — Latitude。 ? C+3numerals — Course。 E‖. 通信要素的表示方法 ? Distance ?Figures preceded by the letter ―R‖ indicate distance in nautical miles. ? Example: ? ―OV A080 R10‖ = ―Mine(s) is (are) believed to be bearing 080176。, no confusion will normally arise if the figure indicating hundreds of degrees is omitted. However, where it is necessary to avoid confusion the five figures should be used. The letters ―E‖ (East) or ―W‖ (West) follow if they are needed, otherwise they may be omitted, as in the case of latitude. ? Example: ? ―G13925E‖ = ―Longitude 139176。4039。, speed 18 knots. 通信要素的表示方法 ? Date ? Dates are to be signaled by two, four, or six numerals preceded by the letter ―D‖. The first two numerals indicate the day of the month. When they are used alone they refer to the current month. ? Example: ? ―D15‖ transmitted on the 15th or any other date in April means ―15 April‖. ? ―D1504‖ means ―15 April‖. ? ―D181063‖ means ―18 October 1963‖. 通信要素的表示方法 ? Latitude ? Latitude is expressed by four figures preceded by the Letter ―L‖. The first two figures denote the degrees and the last two the minutes. The letters ―N‖ (North) or ―S‖ (South) follow if they are needed。 at (local time) 1540. 通信要素的表示方法 ? Course ? Course is to be expressed in three numerals denoting degrees from 000 to 359, measured clockwise. If there is any possibility of confusion, they should be preceded by the letter ―C‖. They are always to be true unless expressly stated to be otherwise in the context. ? Examples: ? MD 025 =My course is 025176。 they may also be spelled out. ? Radiotelephony or loud hailer: by the Code words of the Figure Spelling. Figure Spelling Table 通信要素的表示方法 ? How to signal numbers ? (b) Figures which form part of the basic signification of a signal are to be sent together with the basic group. ? Examples: ? ―DI 20‖ = ―I require boats for 20 persons.‖ ? ―FJ 2‖ = ―Position of accident (or survival craft) is marked by sea marker
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