Program & System Documentation


USMCC National RCC and Search and Rescue Point of Contact Alert and Support Messages (LEOSAR/GEOSAR/MEOSAR)
Version 3.06 - 31 May2017

This document describes the messages transmitted to national RCCs and national SPOCs by the LEOSAR/GEOSAR/MEOSAR (LGM) capable USMCC.

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: