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I was just thinking about the 2-3 whistle communications common in the U.S. and I have no idea how one goes about transcribing them in text.

How would one even generate a language to show whistle modes, you would almost have to use sheets of music :)



Elsewhere in the thread, someone used 'high low high' to mean the whistle you use to get someone's attention, and 'low high low' meaning "I'm over here".




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