In 1924 the BBC, the British Broadcasting Corporation, installed a permanent microphone in the clock tower and began regular broadcasts of Big Ben’s chimes as the nation’s time signal.
Aastal 1924 paigaldas Briti ringhäälingu kompanii BBC kellatorni alalise mikrofoni ja hakkas regulaarselt edastama Big Beni kellamängu kui riigi ajasignaali.