EWBS (Emergency Warning Broadcast System)
ISDB-T
Tsarin Watsawa na Gargaɗi na Gaggawa (EWBS) ya haɗa da sabuwar fasaha cikin tsarin gargaɗin farko tare da hanyoyin sadarwa na gargajiya. EWBS tsarin kunnawa ne don Rediyo & TV that transmits alert/warning information to viewers and listener about a relevant disaster.
EWBS is a feature of the Integrated Services Digital Broadcast-Terrestrial (ISDB-T) tsarin, wanda da farko Japan ce ta kirkireshi. Matsayin ISDB-T ya samu karbuwa fiye da 15 countries in recent years.