Canada Communication: Microwave and high-frequency communication invention. (13 янв 1957 г. – 17 ноя 1957 г.)
Описание:
This began satellite and space communication advancements and allowed for larger-capacity contact channels.Добавлено на ленту времени:
Дата:
13 янв 1957 г.
17 ноя 1957 г.
~ 10 months