Semaphore Flag signals
Prior to the introduction of radio, maritime communication was generally limited to line-of-sight visual signaling.
Mariners have always tried to communicate using more than the human voice.They waved their arms or lanterns and used mirrors to reflect the sun. Later, they devised an elaborate flag alphabet system to communi. Communication by sound was also used. Whistles, bells and other devices could signal that a ship was nearby or in distress—especially useful in fog or blizzards, when visibility was poor.
Semaphore, method of visual signaling, usually by means of flags or lights. Before the invention of the telegraph, semaphore signaling from high towers was used to transmit messages between distant points.
Mariners have always tried to communicate using more than the human voice.They waved their arms or lanterns and used mirrors to reflect the sun. Later, they devised an elaborate flag alphabet system to communi. Communication by sound was also used. Whistles, bells and other devices could signal that a ship was nearby or in distress—especially useful in fog or blizzards, when visibility was poor.
Semaphore, method of visual signaling, usually by means of flags or lights. Before the invention of the telegraph, semaphore signaling from high towers was used to transmit messages between distant points.
Watch these videos to learn about how to send distress signals.
YOUR TASKYou and your team were exploring the Pacific ocean when a violent storm destroyed your ship and washed you all up on the shores of a desert island.
After a few days you see a ship on the horizon....you need to get a signal to them QUICK! Luckily, you all have done some training in Semaphore Flag signalling.. using the limited resources available you work together to make some flags to send a distress signal to the ship in the distance. |
Your briefWorking with a buddy, you are to create 2 flags using the materials you find washed up on the beach.
Your flags should:
You can use:
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