ITU Radio Regulations and Space Security Standards
RR Chapter VII: Distress and safety communications – ITU Radio Regulations and Space Security Standards

ITU Radio Regulations and Space Security Standards RR34: RR Article 34: Alerting signals in the GMDSS

What does RR34 require?

The satellite EPIRB signal in 406-406.1 MHz must conform to Rec. ITU-R M.633-5 (34.1), and the DSC distress call should conform to the latest Rec. ITU-R M.493 (34.2).

Maintained by Gerard BlokdykVerified against the published standard Control text last updated

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