The purpose of this reserch is the development of 406MHz satellite EPIRB terminals which is used on Cospas/Sarsat system. This equipment is essencial facility in all vessel due to should be equipped according to GMDSS. This 406MHz satellite EPIRB needs high technology of complicated. Because, this is designed to operate stably with ultra-stability oscillator and with the low power consumption so that can operate continually for 48 hours by the contained battery. The development of this equipment is significant in the sides of acquirement of new technology on satellite communication fields. In this research, we investigated the international and domestic regulations of needed. Because this equipment is international system concerned with life of man. So, we designed the adequate hardwares and softwares from this research. From this research, we developed the equipment with appopriate capability for productions, and much more research is needed to develop the more small size more chip one for production.

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• 홍창희