Linux Format

A TALE OF TWO APPS

Gqrx

Under the receiver control tab there is a gain control to adjust the amplification of the signal received. is the audio gain control for the application. The small black screen is the audio signal frequency displayed in real time. This is the local broadcast frequency. Mode is the type of modulation, in our example FM. Under the FFT settings tab, divides the far-left screen between signal screen (black portion) and the waterfall screen (blue/yellow mix).

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