Additional results from EAS participant station reception and broadcast of the national test message will be collected over the next month and reported later and compared against previous test results. After filling in the message form, two other FEMA officials are asked to sign off on the alert - a system created to prevent false alarms, like the incorrect alert of an incoming missile that roused and terrified people in Hawaii earlier this year. "No action is needed".
It wasn't immediately clear which cell providers are participating Wednesday, but Sprint customer service officials tweeted out a link to the FEMA primer.
Millions of US cell phones buzzed and beeped on Wednesday during the first test of a presidential alert system that would warn the public of a national emergency, such as an imminent attack.
Some Trump critics seized on the alert's transmission to poke fun at the president.
Americans went nuts on Wednesday when they received a startling message on their phones titled "Presidential Alert".
Hollywood stars reacted with humor and sarcasm after receiving the first Presidential Alert.
The alert will appear as long as the device is on, and may also show up on smartwatches, according to officials.
A tone will sound, mirroring previous alerts you may have received, like Amber Alerts or flood watch warnings.
FEMA officials said the administration can only send such an alert for national emergencies or if the public were in peril, according to rules outlined in a 2006 law, and say it can't be used for any sort of personal message from a president. Some got as many as four alerts on their phones; others didn't get any.
Everyone in the United States received an emergency alert from President Donald Trump on their phone on Wednesday afternoon.
Tough to say. Ostensibly, this is just for emergencies, and subject to FEMA's judgment on what merits an unavoidable "Presidential Alert". "No action is required". The WEA test can, however, be ducked by powering your phone down.
A journalist, a breastfeeding advocate and a fitness instructor teamed up to sue Fema, claiming the technology was a violation of their rights to be free from "government-compelled listening".
It is unknown if Trump will attempt to misuse this power as a political tool to make announcements. "In the case of a tornado warning, that lag could get you killed". Some say they don't like knowing they can't opt out of getting the alert.