na-agafe n'okpuru ma zaa ajụjụ ahụ mgbe e mesịrị n'otu asụsụ ahụ dị ka akụkụ ahụ: N'okpuru: N'ịbụ nke AT & T, Telstar mbụ bụ akụkụ nke nkwekọrịta mba dị iche iche n'etiti AT & T (USA), Bell Telephone Laboratories (USA), NASA (USA), GPO (United Kingdom) na National PTT (France) iji zụlite nkwukọrịta satellite satellite na Atlantic Ocean. Bell Labs nwere nkwekọrịta na NASA, na-akwụ ụgwọ maka ụlọ ọrụ ọ bụla, n'agbanyeghị ihe ịga nke ọma. E wuru ụlọ ọrụ ala isii iji kwurịta okwu na Telstar. Otu onye ọ bụla na US, France, UK, Canada, Germany na Italy. Ụlọ ọrụ ala nke America bụ nke Bell Labs wuru na Andover Earth Station, na Andover, Maine. Isi ụlọ ọrụ ala nke Britain dị na Goonhilly Downs na ndịda ọdịda anyanwụ England. BBC, dị ka onye nhazi mba ụwa, jiri ebe a.
France