Stereo in UKW-like quality in larger range of short wave. An Quarz oscillator, makes your radio in connection with a PC to DRM-receiver (Digital Radio Mondiale) You can blend the receiving signal at the frequency point of the sound card & place a DRM-decoder to the PC. Four Quartz with the necessary frequency. The oscillator can be set for other tasks also, e.g. as wave generators, character generators or as small AM-sender