Wednesday 21 December 2011

EchoII magic

EchoII has undergone a test in dirigible hanger at the place weekesville
,North Carolina.The main thing isthat dirigible hanger is otherwise called
as the areostat.The rigid balloon satellite with 135foot for thepassive
communication that was experimented by NASA on januvary 1964.
When it is folded the satellite was about 41 inch diameter canister.
                                                                   
 




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