Signalling & Communication
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TermDefinition
- Flag / Pennant, Signals & Communication Code Flag Foxtrot (F)

The International Maritime Signal Flag Foxtrot.
Meaning
I am disabled; communicate with me.
- Flag / Pennant, Signals & Communication First Substitute (ICS Flag)

Substitute or repeater flags allow messages with duplicate characters to be signalled without requiring multiple sets of flags.
- Did you know?, Flag Semaphore, Signals & Communication Flag Semaphore Signals
A system for conveying information at a distance through visual signals using hand-held flags.
The position of the flags encodes the...
More Details - Flag Semaphore, Signals & Communication Letter F (Flag Semaphore)

This shape represents the Letter F (Flag Semaphore) and the Number 6 (Flag Semaphore).
- Morse Code, Signals & Communication Letter F (Morse Code)
International Morse Code sequence representing the letter F.
- Phonetic Alphabet, Signals & Communication Foxtrot
Pronounced: FOKS-trot
The term for the letter F in the NATO Phonetic Alphabet.
- General Nautical Terminology, Signals & Communication Frequency Modulation (FM)
A method of encoding information in a carrier wave by varying its frequency, commonly used in marine radio communications.
Frequency...
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