Program & System Documentation


USMCC National Rescue Coordination Center and Search and Rescue Point of Contact Alert and Support Messages Version 2.12 - 31 July, 2015

This document describes the messages transmitted to national RCCs and national SPOCs. The document contains general information in Section 1 and information about the methodology used to develop the alert messages in Section 2. Sections 3 and 4 contain examples of alert and support messages and an explanation of the information contained in the messages. These sections are intended for users of the data.

The document is structured so that the user may use it as a reference and go directly to a specific type of alert message (in Section 3). In order to allow for the document to be used in this manner details on the information is duplicated under each type of alert message.

The Appendices to this document contain the following information:

406 MHz Beacon Coding Guidelines for USA National Use Fields - 17 November 2000

The purpose of this document is to provide the USA coding and bit allocation guidelines for Cospas-Sarsat beacon protocols that allow a “national use” field. These protocols include the Serialized User Protocol, National User Protocol and the National Location Protocol. 

Cospas-Sarsat Documentation maintained by the Cospas-Sarsat Secretariat, including: