A spectrum analyzer, engineer Mark Persons explains, is a marvelous tool that creates a “window” into the world of radio ...

SETI’s ‘Noah’s Ark’ – a space historian explores how the advent of radio astronomy led to the USSR’s search for ...

New multiscale simulations help crack long-standing mysteries behind the enormous radio arcs generated when galaxy clusters ...

The FCC unanimously voted to move forward with its plan to reallocate spectrum in the upper C-band (3.98 GHz to 4.2 GHz) in ...

In this opportunity I will assemble the DSO-SHELL DSO150, it comes pre-assembled and we have to solder other components like ...

The frequency of the signal emitted by protons precessing in Earth’s magnetic field lies in the audio range, so with a pair ...

We think of radios as audio devices, but for people who are visually impaired, it can be difficult to tell which channel you ...

There’s more to making an oscillator than meets the eye, and [lcamtuf] is here with a good primer on the subject. It starts ...

Researchers from HSE University and the Space Research Institute of the Russian Academy of Sciences analyzed seven years of ...