Radio Regulations
Source: the Radio Regulations published by the International Telecommunication Union (ITU).
All IBR RecommendationsAs incorporated in RR-2008
This is not the text in force. It is the version of this Recommendation that RR-2008 gave treaty-binding force, kept so that the incorporated set can be read as it stood at each conference.
See the edition in force (RR-2024)Recommendation ITU-R M.633-3
Mandatory (1986-1990-2000-2004)Transmission characteristics of a satellite emergency position-indicating radio beacon (satellite EPIRB) system operating through a satellite system in the 406 MHz band
Version history
Version evolutionThe number in each cell (e.g. −9) is the Recommendation's revision number — the “-9” in ITU-R M.585-9, not a negative value. So −8 → −9 means the binding reference moved from the 8th to the 9th revision.
Incorporated into the RR by
RR provisions, footnotes and Resolutions that incorporate this Recommendation
Bands and services are derived from the footnotes of the Radio Regulations as they stand, so they are shown only on the edition in force.
Scope
satellite EPIRBs can be used for distress alerting in the maritime, land and aeronautical environments;
Recommends
- that the transmission characteristics and data formats for a satellite EPIRB operating through a satellite system in the 406 MHz band should be in accordance with Cospas-Sarsat Document C/S T.001 (Issue 3, Revision 5 October 2003 titled Specification for 406 MHz Cospas-Sarsat Distress Beacons).
- NOTE 1 – Document C/S T.001 (Issue 3, Revision 5, October 2003) has been provided to the Radiocommunication Bureau Secretariat; a copy of this document can also be obtained free of charge from the Cospas-Sarsat Secretariat (e-mail: cospas_sarsat@imso.org).
Source: ITU Radio Regulations, editions of 2008, 2012, 2016, 2020 and 2024. The English, French and Spanish texts are each taken from the official edition in that language, not translated from one another. Sources and citation.