19 ч 25 мин, 2 ноя 1920 г. - The First Radio Broadcast Station KDKA
Описание:
This station made the first commercial broadcast in november 1920. They chose this particular date to broadcast in order to demonstrate how powerful this technology is. It ushered in a new way of getting information to a lot of people that was much quicker than the newspaper.
Добавлено на ленту времени:
Дата:
19 ч 25 мин, 2 ноя 1920 г.
Сейчас
~ 103 г назад