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  #1  
Old 08-11-21, 20:24
derk derin's Avatar
derk derin derk derin is offline
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Default Semaphores

Do these qualify as a form of wireless communication?
Has anybody ever used them before or had training on how to use them?
Derk
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Old 09-11-21, 07:03
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Ron Pier Ron Pier is offline
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Yes we learnt it in the Sea Cadets in the 50's/60's.

Ron
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Old 09-11-21, 08:14
Bruce MacMillan Bruce MacMillan is offline
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As they rely on photonic reflection to be seen you could say they operate at the frequency of light. The inverse of frequency is wavelength so would qualify for wireless.
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Old 09-11-21, 11:40
edstorey edstorey is offline
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Default Semaphore Flags

Note as well that the flags are Naval and not Army.
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