Looking to buy a top-performing CD player but not sure where to start? We’ve tested budget and premium players to find the ...

The magnetic loop antenna is a familiar sight in radio amateur circles as a means to pack a high performance HF antenna into ...

“Bingo” means the point of no return: the call that fuel is running dry and the mission is over. The same call now threatens the attack helicopter itself. Army aviators face an existential crisis.

Pure has expanded its Classic range with three fresh additions that blend vintage aesthetics with contemporary audio features. The new products – the Classic H6 stereo radio, Classic C-D4 CD ...

If you’ve ever used an NE602 or similar IC to build a radio, you might have noticed that the datasheet has a “gilbert cell” mixer. What is that? [Electronics for the Inquisitive Experimenter] explains ...

Abstract: In this letter, we propose multi-antenna based spectrum sensing methods for cognitive radios (CRs) using the generalized likelihood ratio test (GLRT) paradigm. The proposed methods utilize ...

If you are experiencing picture break up, missing channels or the wrong regional news you may need to re-tune your TV set manually. This allows you to select the transmitter that provides the best ...

Abstract: The traditional approach of radio frequency electromagnetic field exposure compliance assessment is highly conservative when applied to radio base station antennas implementing dynamic ...