What is Ham Radio? Ham radio is an amateur radio service that operates in the frequency range of 2. You can think of it as a walkie-talkie for the airwaves. There are over 784,000 licensed hams in the ...

SDR is a radio communication system in which software, rather than expensive hardware, performs key signal processing tasks, ...

The United States Frequency Allocation Chart shows how the nation’s precious radio frequencies are carefully shared. Somewhere above you right now, a plane is broadcasting its coordinates on 1090 ...

What are ham radios? In short, ham radio operators are amateur radio enthusiasts who communicate with one another via radio frequencies assigned specifically to this community by the Federal ...

Editor’s Note: This is a two-part series where DI authors Damian and Phoenix Bonicatto explore IQ signal representation and negative frequencies to ease the understanding and development of SDRs. Part ...