Sputnik 1 - the first satellite
Just yesterday, 4.October, passed 64 years since the launch of the first Sputnik satellite 1 from the Baikonur Cosmodrome launcher R-7. The known satellite had the shape of a sphere with a diameter 58 centimeters and weight approx. 83 kilograms.
Many radio amateurs listened to the signal of the Sputnik transmitters 1 in the period from October 4 to October 25 1957 on frequencies 20,005 MHz a 40,002 MHz beep signal, which made history.