- Business or commercial communications. You may not use amateur radio to conduct business, for
- Broadcasting. Transmissions intended for reception by the general public are not permitted.
- Music. No music, incidental or otherwise, except as an incidental part of certain manned
- Obscene or indecent language. Undefined in Part 97 and enforced under the general standard.
- Codes or ciphers intended to obscure meaning. Standard digital protocols with published
- False or deceptive signals, including false distress calls and transmitting another
- Unidentified transmissions.
- Malicious interference. Deliberately interfering with another station is the offence the FCC
- Retransmitting other services except as specifically permitted (space stations, and certain
yourself or an employer. Narrow exceptions exist — you may, for instance, coordinate a personal purchase of amateur equipment, and there are provisions for employees operating during emergencies.
This is why a club may not "broadcast" a meeting to non-amateurs.
spaceflight retransmissions.
Keep it clean.
specifications are fine; encryption to hide content is not — a real constraint for emergency groups handling medical or personal information.
operator's call sign.
pursues most aggressively in the amateur service.
propagation and emergency retransmissions).
Enforcement in practice ranges from a friendly advisory letter to five- and six-figure forfeitures and license revocation. Almost every serious case involves deliberate interference or operating without a license.