Up to 800 flights were affected when the radio system went down at California's main enroute air traffic control center on Tuesday. The radios went silent at the Air Route Traffic Control Center in Palmdale, just north of Los Angeles about 4:40 p.m. causing numerous delays, cancellations and diversions. Controllers were back at their mics after a few hours but traffic didn't return to normal until early Wednesday...
This is a companion discussion topic for the original entry at https://www.avweb.com/aviation-news/on-the-fly-454