2 ms·

It's obviously more complicated than that. See https://en.wikipedia.org/wiki/Emergency_Alert_System#Tone_usage_outside_of_alerts https://en.wikipedia.org/wiki/

by dekhn 4y ago

It's obviously more complicated than that. See https://en.wikipedia.org/wiki/Emergency_Alert_System#Tone_usage_outside_of_alerts https://en.wikipedia.org/wiki/Emergency_Alert_System#Tone_us...