How is the SOS signal keyed in Morse code?

Without gaps between the characters.

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  1. With long gaps between each letter
  2. Without gaps between the characters ✔
  3. Only as three separate words

Why: SOS is sent as one prosign, keyed without gaps between the characters.

Huh, didn't know that: SOS is sent as one prosign, keyed without gaps between the characters.

The dad joke
SOS runs together like a team in a hurry.
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References

Answer: Without gaps between the characters. SOS is sent as one prosign, keyed without gaps between the characters.

  1. Morse code en.wikipedia.org/wiki/Morse_code
    it is a prosign SOS, and is keyed without gaps between characters
    Checked 2026-11-07.

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