Here is the report from NBC Left Field that was being shot when the Hawaiian false alarm occurred.
 
Hawaii's recent false nuclear missile alert showed us how reliant we are on cell phones and modern technology—and how unprepared we are if they become inaccessible. But in case the unexpected happens, an unlikely group of hobbyists—ham radio operators—are standing at the ready and may save us all.

https://www.nbcnews.com/leftfield/video/ham-radios-are-last-line-of-communication-in-a-disaster-1156408387851

 
Mike N2YBB