This report describes the main specifications and features of construction GNSS receivers to ensure the safety of life (Safety of Life) for use in applications that are critical to safety.

Receivers GNSS which are critical to security in general, are classified as «receivers to ensure the safety of life» (Safety of Life). The main characteristics of this type of receivers are reliability and ability to identify faults. Moreover, the receivers of this class are designed in such a way as to use all available information to detect possible errors and the subsequent prevention of end-users to take appropriate action.