Thread: Origin of ENF
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Old 09-07-2026, 09:18 PM
DRDavenport DRDavenport is offline
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Quote:
Originally Posted by lonmol View Post
SOS doesn't mean anything.
It was chosen because it's a repetitive pattern, that's easy to recognize in Morse code.
Mayday was chosen for a similar reason.
It was distinct, and could be clearly heard through the static of early radio sets.
It's supposed to be repeated three times.
Anything repeated 3 times is a signal of distress.

DR
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