Distress beacon and distress alarm system

摘要

#$%^&*AU2010226980A120120426.pdf#####Abstract A distress beacon and associated detection system for water borne activities are disclosed. The beacon includes a signal transmitter, an antenna and an actuator arranged to activate the signal transmitter upon actuation, the signal transmitter being arranged, upon being activated, to periodically output a signal pulse via the antenna, the signal pulse including an identifier associated with the distress beacon.