Ultrashort waves (frequencies of 30,000 kilocycles and higher) were the wasteland. It was known that they were reliably effective only as far as the horizon, a paltry range for services which ...
Abbreviate it kc. The frequency will be expressed in thousands of cycles per second—in other words, kilocycles. To transmute wavelengths to kilocycles, divide 300,000 by the number of meters ...
When Frank Drake began his astronomy career in the late 1950s, this was an incredibly exciting time for the field. Humanity was beginning to unlock the secrets of the Universe using ever more ...