Baby’s First Modulation
We’re given an IQ file. I used sox on a Windows machine to convert it to a .wav file and then sped it up in audacity.
sox command:
./sox.exe -e float -t raw -r 192000 -b 32 -c 2 D:/Downloads/rf1.iq -t wav -e float -b 32 -c 2 -r 192000 memes.wav
DawgCTF{listen_in_on_the_waves}