Description By using an SDR receiver it is possible to capture, demodulate and decode the NFC signal between the card and the reader. I do not have as an objective to explain the NFC norms or modulation techniques, there is a multitude of documentation...
Car key-fob, Ti chronos, walkie talkie. You can read about the signals. or you can see them here! I'll start off. When i lock my car with my key..clicky thingy Note :i captured Some of these using the awesome free software SDR# download it here.. Well...
I pickthe signal from NOAA weather satellites because it is the easiest and good for the beginning. It is also possible to recieve the informations from other satellites-I'll write about at the end of this instructable.The NOA satellites are over 800...