GiamMa-based researchers SDR R&D IoT: QCX #FT8 ( CW,JT65, RTTY, Hell) #transmission suite using Si5351 and Arduino with 5 watts of #RF #output power on a single HF band #SoftwareDefinedRadio #Si5351 #Arduino #IDE #ArduinoNIDE #Beacon #CW #JT65 #RTTY #Hell