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C/S T.001 "Specification for Cospas-Sarsat 406 MHz Distress Beacons"; and
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C/S G.005"Cospas-Sarsat Guidelines on 406 MHz Beacon Coding, Registration, and Type Approval".
The above documents can be downloaded free of charge from the "Documentation" section of this web site. If the information provided on the interactive section of the web site conflicts with that provided in documents C/S T.001 and G.005, the official documents take precedence.
Furthermore, individual administrations may have additional national beacon technical and coding requirements that are not addressed in the above documents.
Table of Contents
Selecting a 406 MHz Beacon Model
General Beacon Characteristics
Transmission Characteristics (General)
First Protected Data Field (PDF-1)
Identification or Identification plus position data
Error Correcting Code for PDF-1 (BCH-1)
Second Protected Data Field (PDF-2)
Error Correcting Code for PDF-2 (BCH-2)
Emergency Codes (Maritime and Non-maritime)
Hexadecimal Representation of Beacon
Beacon Message Protocols
Examples of 406 MHz Beacon Codes
Points of Contact for Beacon Matters in Countries/Administrations
