🐀 This post is part of a series called "PACKRAT". If this is the first post you've found, it'd be worth reading the intro post first and then looking over all posts in the series. When working with SDRs, information about the signals your radio is receiving are communicated by streams of IQ data. IQ is short for “In-phase” and “Quadrature”, which means 90 degrees out of phase. Values in the IQ stream are complex numbers, so converting them to a native complex type in your language ...