Kali Linux - An Ethical Hacker's Cookbook

How to do it...

Following is the recipe to use gqrx:

1. We can install gqrx using the command:

        apt install gqrx  

2. Once it's done, we run the tool by typing gqrx.
3. We choose our device from the drop-down menu in the window that opens and click OK:

4. Now the GQRX application opens, and on the right-side in the receiver window, we choose the frequency we want to view. Then we go to the file and click on Start DSP:

5. Now we see a waterfall and we should start hearing the sound in our speaker. We can even change the frequency we are listening to ...