50th Anniversary of OSCAR 1: Satellites information update by JE9PEL

AMSAT-NA と、AMSAT-UK からの転載です。

The first amateur radio satellite OSCAR 1 was launched 50 years ago on
December 12, 1961.  OSCAR 1 was battery powered and signals lasted for
about two weeks. It re-entered the Earth’s atmosphere on January 31, 1962.

The original audio recording of OSCAR 1, 144.983MHz CW
The half speed recording of OSCAR 1, 144.983MHz CW
Sixty Years of Radio Amateur Communication - Marconi to the OSCAR Satellite
Newspaper article on OSCAR 1

Wrote by VA6BMJ,
1957-10-04:  Sputnik 1 launched
1959-09-12:  Luna 2 launched to moon, impacted 1959-09-13
1960-08-12:  Echo 1 launched
1961-04-12:  Vostok 1 with Yuri Gagarin
1961-05-05:  Freedom 7 with Alan Shepard
1961-07-21:  Liberty Bell 7 with Gus Grissom
1961-08-06:  Vostok 2 with Gherman Titov
1961-12-12:  OSCAR 1 launched
1962-02-20:  Friendship 7 with John Glenn
1962-07-10:  Telstar 1 launched
1962-08-27:  Mariner 2 launched to Venus, closest approach 1962-12-14