---
kind: "section"
citation: "47 C.F.R. § 80.322"
title: "47"
number: "80.322"
heading: "Form of acknowledgement."
url: "https://uscodex.org/cfr/47/80.322"
---

# §80.322. Form of acknowledgement.

- (a) The acknowledgement of receipt of a radiotelegraph distress message is transmitted in the following form:
  - (1) The distress signal SOS;
  - (2) The call sign of the station sending the distress message, sent three times;
  - (3) The word DE;
  - (4) The call sign of the station acknowledging receipt, sent three times;
  - (5) The group RRR;
  - (6) **The message signal SOS.**
- (b) The acknowledgement of receipt of a radiotelephone distress message is transmitted in the following form:
  - (1) The distress signal MAYDAY;
  - (2) The call sign or other identification of the station sending the distress message, spoken three times;
  - (3) The words THIS IS;
  - (4) The call sign or other identification of the station acknowledging receipt, spoken three times;
  - (5) The word RECEIVED;
  - (6) **The distress signal MAYDAY.**

## Notes

### 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.