What is the correct way to call "CQ" when using Morse code?

1. Send the letters "CQ" three times, followed by "DE", followed by your call sign sent once
2. Send the letters "CQ" ten times, followed by "DE", followed by your call sign sent once
3. Send the letters "CQ" over and over
4. Send the letters "CQ" three times, followed by "DE", followed by your call sign sent three times ✓ Correct answer

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