SOS Morse Code

What Is "SOS" in Morse Code?
🆘 SOS in Morse code is written as:

... --- ...

3 dots, 3 dashes, 3 dots

This is the most universally recognized distress signal in the world. Whether sent by sound, light, or written form, SOS means I need help immediately. It's short, clear, and unmistakable — especially in emergencies where time is critical.

What Does SOS Stand For?

Contrary to popular belief, SOS doesn't stand for anything like "Save Our Ship" or "Save Our Souls." These are backronyms created later to help remember it.

The real reason SOS was chosen in 1906 by the International Radiotelegraph Convention is simple: it's the most efficient emergency signal in Morse code.

It's easy to transmit.
It's hard to confuse with anything else.
It's symmetrical and can be recognized even if partially received.

SOS works across:

Sound (beeping, tapping)
Light (flashlights, lanterns)
Visuals (written signals, flares)
Radio waves

How to Signal SOS in Different Ways

Method	How to Do It
Audible	Tap or beep: 3 short, 3 long, 3 short
Light	Flashlight or mirror: ● ● ● – – – ● ● ●
Written	... --- ... or SOS letters
Body	Raise arms in a "Y" shape repeatedly
Ground	Spell "SOS" with rocks or sticks

You can send SOS using sound, light, touch, or even tapping. Here's how:

Audio (beeps or tapping)

Dot = short sound (about 1 unit time)
Dash = long sound (3 units)

Example: Beep beep beep — BEEEEEP BEEEEEP BEEEEEP — Beep beep beep

Light signaling (flashlight or mirror)

Short flash = dot
Long flash = dash

Wave a flashlight in this rhythm: 3 short → 3 long → 3 short

Tapping or vibration (touch signals)

Tap 3 quick times, then 3 longer, then 3 quick again.

This method has saved lives in hostage situations, disasters, and even prisoner-of-war scenarios.

Why You Should Know SOS Morse Code

Even in a world of GPS and smartphones, Morse code — especially SOS — is still relevant:

It works without technology.
It can be used when voice isn't possible.
It's understood worldwide.
If you're into hiking, sailing, prepping, or travel, knowing how to send and recognize SOS could be a lifesaver.

SOS in Morse Code Table

Letter	Morse Code	Dot-Dash Format	Tip
S	...	· · ·	Three quick taps – the universal start of SOS
O	---	– – –	Three long signals – slow and clear middle
S	...	· · ·	Ends with urgency – quick triplet again

SOS in Morse code

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