When may an amateur station transmit without a control operator?

Never. Every transmitting station needs a control operator.

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  1. When using automatic control, like a repeater
  2. Never ✔
  3. When it is an auxiliary station

Why: Every amateur station that transmits must have a control operator. Even an automatically controlled repeater has a control operator responsible for it.

Huh, didn't know that: Part 97 defines the control operator as a ham chosen by the station licensee to be responsible for its transmissions.

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Who is in charge of the repeater? The control freak, I mean control operator.
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References

Answer: Never. Every amateur station that transmits must have a control operator. Even an automatically controlled repeater has a control operator responsible for it.

  1. 47 CFR 97.7 Control operator required www.ecfr.gov/current/title-47/chapter-I/subchapter-D/part-97/subpart-A/section-97.7
    When transmitting, each amateur station must have a control operator.
    Checked 2026-10-09.

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