사자티비were being operated by amateurs.|Although Herrold never ever claimed the creation of radio itself, he did declare the creation of broadcasting to a wide audience, in the use of antennas meant to radiate signals in all directions.|Radio broadcasting (experimentally from 1906, commercially from 1920); audio indicators despatched through t

There were numerous candidates. Chelsea's final choice is Mauricio Pochettino.British media 'BBC' said on the 26th (Korean time), "Chelsea is in negotiations with Pochettino. Significant progress has been made towards the appointment of a manager. Chelsea want a quick finish. "he said.After sacking Graham Porter at the end of the season, Chelsea ap