This is from "Radio Today":-


In a planned first for BBC Radio, all stations owned by the corporation around the UK and the world will broadcast the same output for a three minute show.

Radio Reunited will take place on November 14 at 17:33 GMT – ninety years since the first broadcast from the British Broadcasting Company in 1922 – to a potential global audience of 120 million people across every inhabited continent.

There is more information here.

And, from the BBC Press Office, here:-

"The BBC today announced plans for an unprecedented global simulcast across its radio networks – including every UK station (local, network and national) and many World Service outlets – curated by Damon Albarn to mark 90 years of radio.

The simultaneous broadcast, called Radio Reunited, will take place on November 14 at 17:33 GMT – 90 years since the first broadcast from the British Broadcasting Company in 1922 - to a potential global audience of 120 million people across every inhabited continent............."