RPITX is the spiritual successor of your project! https://github.com/F5OEO/rpitx https://github.com/F5OEO/rpitx And it does work with nearly every RPi. And u

RPITX is the spiritual successor of your project! https://github.com/F5OEO/rpitx https://github.com/F5OEO/rpitx And it does work with nearly every RPi. And unlike only doing FM (97MHz-108MHz), it can emit from an IQ datastream from 10KHz to 1.5GHz.