30 Jan
2008
30 Jan
'08
11:45 a.m.
Explorer I (First US success) was launched 50 years ago (31 January 1958). An article on today's NY Times Website credits Amateur Radio operators with being the first to confirm that it was in orbit and operating.
http://www.nytimes.com/2008/01/29/science/space/29space.html
de K2ubc