Signalling & Communication

The International Morse Code numeral 1, represented by dot dash dash dash dash (.----). A dot lasts one signal unit and a dash three. Elements within this character are separated by one unit; the gap …

The International Code of Signals numeral pennant representing one. It is one of ten distinct numeral pennants used to express figures within a flag signal. Its meaning depends on the complete group a…

The International Morse Code numeral 2, represented by dot dot dash dash dash (..---). A dot lasts one signal unit and a dash three. Elements within this character are separated by one unit; the gap b…

An International Code of Signals numeral pennant representing the digit 2. It is hoisted with alphabet flags, other numeral pennants or substitutes to form an ordered signal group. The complete group …

The standard maritime radiotelephony pronunciation of the digit two. It is spoken as “TOO” when transmitting figures clearly by voice. Standard pronunciations reduce misunderstandings caused by noise,…

The International Morse Code numeral 3, represented by dot dot dot dash dash (...--). A dot lasts one signal unit and a dash three. Elements within this character are separated by one unit; the gap be…

An International Code of Signals numeral pennant representing the digit 3. It is hoisted with alphabet flags, other numeral pennants or substitutes to form an ordered signal group. The complete group …

The standard maritime radiotelephony pronunciation of the digit three. It is spoken as “TREE” when transmitting figures clearly by voice. The initial sound is deliberately distinct and belongs to a st…

The standard maritime radiotelephony pronunciation of the digit four. It is spoken as “FOW-er” when transmitting figures clearly by voice. The two-syllable form helps distinguish it in difficult recep…

The International Morse Code numeral 4, represented by dot dot dot dot dash (....-). A dot lasts one signal unit and a dash three. Elements within this character are separated by one unit; the gap bet…

The standard maritime radiotelephony pronunciation of the digit five. It is spoken as “FIFE” when transmitting figures clearly by voice. The pronunciation helps prevent the final consonant being lost …

The International Morse Code numeral 5, represented by dot dot dot dot dot (.....). A dot lasts one signal unit and a dash three. Elements within this character are separated by one unit; the gap betw…

The International Morse Code numeral 6, represented by dash dot dot dot dot (-....). A dot lasts one signal unit and a dash three. Elements within this character are separated by one unit; the gap bet…

The standard maritime radiotelephony pronunciation of the digit six. It is spoken as “SIX” when transmitting figures clearly by voice. Although its pronunciation is unchanged from ordinary English, it…

The International Morse Code numeral 7, represented by dash dash dot dot dot (--...). A dot lasts one signal unit and a dash three. Elements within this character are separated by one unit; the gap be…

The standard maritime radiotelephony pronunciation of the digit seven. It is spoken as “SEV-en” when transmitting figures clearly by voice. The stressed first syllable forms part of a standard numeral…

The standard maritime radiotelephony pronunciation of the digit eight. It is spoken as “AIT” when transmitting figures clearly by voice. In this context the spelling shows pronunciation and does not r…

The International Morse Code numeral 8, represented by dash dash dash dot dot (---..). A dot lasts one signal unit and a dash three. Elements within this character are separated by one unit; the gap b…

The standard maritime radiotelephony pronunciation of the digit nine. It is spoken as “NIN-er” when transmitting figures clearly by voice. The added final syllable helps distinguish the numeral under …

The International Morse Code numeral 9, represented by dash dash dash dash dot (----.). A dot lasts one signal unit and a dash three. Elements within this character are separated by one unit; the gap …