---
kind: "section"
citation: "47 C.F.R. § 80.89"
title: "47"
number: "80.89"
heading: "Unauthorized transmissions."
url: "https://uscodex.org/cfr/47/80.89"
---

# §80.89. Unauthorized transmissions.


Stations must not:

- (a) **Engage in superfluous radiocommunication.**
- (b) **Use telephony on 243 MHz.**
- (c) Use selective calling on 2182 kHz or 156.800 MHz.
- (d) When using telephony, transmit signals or communications not addressed to a particular station or stations. This provision does not apply to the transmission of distress, alarm, urgency, or safety signals or messages, or to test transmissions.
- (e) Transmit while on board vessels located on land unless authorized under a public coast station license. Vessels in the following situations are not considered to be on land for the purposes of this paragraph:
  - (1) Vessels which are aground due to a distress situation;
  - (2) Vessels in drydock undergoing repairs; and
  - (3) State or local government vessels which are involved in search and rescue operations including related training exercises.
- (f) **Transmit on frequencies or frequency bands not authorized on the current station license.**

## Notes

### Amendments

[51 FR 31213, Sept. 2, 1986, as amended at 52 FR 35244, Sept. 18, 1987; 62 FR 40304, July 28, 1997; 68 FR 46960, Aug. 7, 2003]

### Authority

Authority: 47 U.S.C. 151-155, 301-609; 3 U.S.T. 3450, 3 U.S.T. 4726, 12 U.S.T. 2377.

### Source

Source: 51 FR 31213, Sept. 2, 1986, unless otherwise noted.

### Amendments

[51 FR 31213, Sept. 2, 1986, as amended at 52 FR 35244, Sept. 18, 1987; 62 FR 40304, July 28, 1997; 68 FR 46960, Aug. 7, 2003]