there are 28 semaphore flag methods.
Semaphore or signal flag.
45cm by 45cm
The semaphore flag signaling system was developed by Claude Chappe in France during the late 18th century. Chappe's system used a series of different flag positions to convey messages over long distances, and it was widely used for communication before the invention of the telegraph.
It is a semaphore. They use flag signals to communicate with other ships.
It is called "Semaphore code".
It was invented in France. It was popular in the late 18thC
You would use the alphabet of the semaphore flag signaling system. See the related link for the picture of signals.
Semaphore was invented as a visual signaling system to relay messages over long distances. It was developed to communicate with ships at sea or between different points on land where other methods of communication like smoke signals or flags were not practical. Semaphore systems used different flag positions to represent different letters or words and were widely used before the invention of the telegraph.
It is the flag-semaphore signal for N and the symbol for D put together...standing for nuclear disarmament.
Morse code is an audio code (or blinking light code), it has nothing to do with flags.When flags are used to send messages, this is called semaphore, so they would be "semaphore flags".See the related links below.
Signals can be sent by flaghoist, signal lamp ("blinker"), flag semaphore, radiotelegraphy, and radiotelephony.