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Which of these is prohibited for amateur radio operators?

Willful or malicious interference is never allowed.

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  1. International contacts on VHF and higher bands
  2. Willful or malicious interference ✔
  3. Third-party traffic using digital modes

Why: Hams may never deliberately interfere with other stations. Talking to other countries on VHF and passing third-party messages by digital modes are both allowed under the right conditions.

Huh, didn't know that: Part 97.101(d) says no ham may willfully or maliciously interfere with any radio communication or signal.

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References

Answer: Willful or malicious interference. Hams may never deliberately interfere with other stations. Talking to other countries on VHF and passing third-party messages by digital modes are both allowed under the right conditions.

  1. 47 CFR 97.101 General standards www.ecfr.gov/current/title-47/chapter-I/subchapter-D/part-97/subpart-B/section-97.101
    No amateur operator shall willfully or maliciously interfere with or cause interference to any radio communication or signal.
    Checked 2026-10-09.

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