مشروع إكو
Scale prototype of the Echo satellite undergoing a Skin Stress Test on May 1, 1960.
مشروع إكو إيكو1 Project Echo قمر صناعي، وقد كان أول قمر صناعي للاتصالات يطلق وذلك سنة 1960.
Echo 1 sits fully inflated at a Navy hangar in Weeksville, North Carolina
Echo 2 undergoing tensile stress test in a dirigible hangar at Weekesville, North Carolina
Echo 1 - 1960 issue
أنظر أيضاً
- List of communications satellite firsts
- Project SCORE – world's first communications satellite, launched in 1958.
- Courier 1B – world’s first active repeater satellite, launched in 1960.
- Telstar – first active, direct relay communications satellite, launched in 1962.
- AO-51, AMSAT-OSCAR 51 (also known as Phase 2E, or ECHO) – an amateur radio communications satellite launched in 2004.
- PAGEOS – a similar balloon satellite project
- U.S. space exploration history on U.S. stamps
المصادر
قراءات أخرى
- Elder, Donald C. (1995). Out from Behind the Eight-Ball: A History of Project Echo. AAS History Series. 16. Univelt for the American Astronomical Society. ISBN .
- Nick D'Alto "The Inflatable Satellite", Invention and Technology Summer 2007, Volume 23, Number 1 pp. 38–43.
نطقب:Orbital launches in 1960 نطقب:Orbital launches in 1964
