When must you transmit your assigned call sign?

At least every 10 minutes during a contact, and at the end.

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  1. Every 10 minutes and at the end of a contact ✔
  2. Every 15 minutes and at the end of a contact
  3. Once at the start, then every 10 minutes

Why: FCC rules say to identify at least every 10 minutes during a communication and at the end of it. You do not have to ID at the start.

Huh, didn't know that: The rule also applies when you use tactical calls like Race Headquarters.

The dad joke
Why did the ham keep saying his name? He had a 10-minute memory.
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References

Answer: Every 10 minutes and at the end of a contact. FCC rules say to identify at least every 10 minutes during a communication and at the end of it. You do not have to ID at the start.

  1. 47 CFR 97.119 Station identification www.ecfr.gov/current/title-47/chapter-I/subchapter-D/part-97/subpart-B/section-97.119
    at the end of each communication, and at least every 10 minutes during a communication
    Checked 2026-10-09.

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