The top documents tagged [analog satellites transponder]

THE PAST THE PAST 3 SPUTNIK l Sputnik – Oct 4, 1957. 1 st satellite. 20 MHz beacon. 47 years ago. l Oscar 1 – Dec 12, 1961. 1 st amateur satellite l.

THE PAST THE PAST 3 SPUTNIK l Sputnik – Oct 4, 1957. 1 st satellite. 20 MHz beacon. 47 years ago. l Oscar 1 – Dec 12, 1961. 1 st amateur satellite l.

219 views
THE PAST

THE PAST

28 views
Languages
Pages
Legal

Copyright © 2022 FDOCUMENTS