[sarex] Tones from Deep Space
azrowe80 at verizon.net
Thu Oct 4 12:15:33 PDT 2007
SUBMITTED BY ARTHUR N1ORC - AMSAT A/C #31468
> NASA Science News for October 4, 2007
> Fifty years after the launch of Sputnik kicked off the Space Age, an
> ultra-modern probe heading for Pluto is using retro Sputnik-like tones
> to communicate with Earth.
> *October 4, 2007:* "Beep… beep… beep
> <http://www.amsat.org/amsat/features/sounds/sputnik1.wav>...." That's
> the sound that marked the beginning of the Space Age fifty years ago.
> It was a simple radio tone transmitted by the first satellite, Sputnik
> 1, as it orbited Earth in October 1957.
> see caption
> then communication with spacecraft has advanced tremendously. Yet a
> modern probe on the way to the edge of the solar system is using
> Sputnik-like tones to send messages back to Earth.
> In Oct. 1957, ham radio operator Roy Welch of Dallas, Texas, tunes in
> to the 20 MHz radio tones of Sputnik. FOR THE REST OF THE STORY GO TO:
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