24 авг 1919 г. - First federally licensed radio station
Описание:
In 1919, University of Wisconsin professors began an amateur wireless station later known as WHA, the first federally licensed radio stationdedicated to educational broadcasting (Engel, 1936).
Добавлено на ленту времени:
Дата:
24 авг 1919 г.
Сейчас
~ 106 г назад