10/04/2023
10-4 is a code for radio communications that a message has been received and understood. TODAY, on October 4, also seen as 10/4, may actually lead to confusion. An emergency alert will be broadcast to all mobile devices, TVs, and radios across the county, but no action is needed.
The purpose of the Oct. 4 test is to ensure that the systems continue to be effective means of warning the public about emergencies, particularly national ones. For more information: https://justinweather.com/2023/10/02/national-cell-phone-test-from-fema-and-fcc-on-october-4/