"Get ready to not freak out. On Wednesday, October 4 at 2:20 p.m. ET, every TV, radio and cellphone in the United States should blare out the distinctive, jarring electronic warning tone of an emergency alert."
"Get ready to not freak out. On Wednesday, October 4 at 2:20 p.m. ET, every TV, radio and cellphone in the United States should blare out the distinctive, jarring electronic warning tone of an emergency alert."
No shit? Per the article posted, it's supposed to be a US national test, hadn't heard about it in other countries.