This is QUISK, a Software Defined Radio (SDR). - Quisk can control the HiQSDR. - As a receiver it can use the SDR-IQ by RfSpace as a sample source. - As a receiver it can use your soundcard as a sample source. - Quisk can control SoftRock hardware for both receive and transmit. - As a transmitter it can accept microphone input and send that to your transmitter for SSB operation. For CW, QUISK can mute the audio and substitute a side tone.