Flag Semaphore


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Semaphore, Flag

 

one of the forms of visual communication, based on the transmission of letters, digits, or auxiliary signals by the position or motion of flags held by the signaler; Russian, Latin, and other semaphore alphabets may be used. Flag semaphore can be used to send messages at a rate of 60 to 70 symbols per min over an operating range of approximately 2.5 km. Flags of various colors are used depending on the background. Flag semaphore is used at sea (chiefly by the navy) and by the military on land.

References in periodicals archive ?
People will be able to try their hand at cracking a secret code using a Caesar Wheel and communicate a message to their friends using Flag Semaphore at the Code Station set up there.
The guys competed in rowing on yaly, knitting sea knots, throwing lightness, flag semaphore, cross-country at a distance of 500 meters and tug of war.
Lloyd's Signal Tower ceased its flag semaphore operations in 1969 and is now owned by the National Trust.
Caption: Flag Semaphore perhaps on the Maid of the Mist might make an elegant 'connect' with voters.
The flag semaphore system of visual communication was not introduced to the U.S.
album cover features the group with their arms positioned to spell out a word in flag semaphore but it does not read "help", as many believed.
Lieutenant Commander Tamara Lawrence said it was a "passing exercise," which typically includes flag semaphore drills, navigation and other exercises focused on "basic seamanship."
This system was called flag semaphore. Different messages were conveyed depending on the position in which a person was holding the flags.
The visitors were also given a lecture on the Flag Semaphore as one the means of maritime communication using hand-held flags.