The beam width (in radians) is roughly the wavelength of the radio wave divided by the diameter of the antenna. For example, a 100 meter antenna observing at a wavelength of 21 centimeters (a ...

An industry expert says the aviation watchdog should have identified the faulty radio that contributed to a fatal mid-air helicopter crash at Sea World on the Gold Coast.

Tabletop radios are as much about style as they are about performance. We have five radio recommendations that appeal to different tastes and budgets.

Protection criteria for wireless access systems, including radio local area networks, operating in the mobile service in accordance with Resolution 229 (WRC-03) in the bands 5 150-5 250 MHz, 5 250-5 ...

This paper describes the antenna and input stages of a silicon TV-tuner intended for portable devices such as cell phones, laptops and PDAs. The tuner meets the requirements of the mobile and portable ...

Fractal Antenna Systems is proud to announce that its CEO and founder, Nathan Cohen, will be honored with the first Arno Penzias Award by the Radio Cl ...

Brisbane’s breakfast radio landscape has undergone a seismic shift after B105 and Nova were both dethroned in the latest radio survey results.

In a move to make high-speed communications with deep space missions a practical reality, NASA is testing a giant hybrid dish antenna that is capable of handling both radio and laser signals ...

The antenna consists of low- and high-band array antennas, positioned back to back, each equipped with a reflector screen, allowing WBCQ to access all shortwave frequency bands between 6 MHz and 26 ...