0x00 What Is SDR? “Software Defined Radio (SDR)” has actually been researched and developed for decades, originating from the U.S. military’s multi-mode radio project. Currently, software-defined radio technology is widely used in our daily mobile communication systems. For example, the signal processing in base stations heavily utilizes programmable FPGAs and DSPs. In smartphones, baseband processors … Read more
Amateur Radio Interesting and Fun Ham Community This article was published in November 2018 The Spectrum Monitor Magazine Author: Thomas Translated by: BG5WKP Zhu Yi SDR Introduction Part 1: Introduction to SDR and SDR Applications First, ask yourself what the goal of SDR is.Do you want to monitor ham radio traffic? How about aviation communications? … Read more
LimeSDR Mini Satellite Ground StationAuthor: Daniel Estévez My project uses the LimeSDR Mini as the basis for a ground station for the geostationary satellite “Es’hail 2” (known as “QO-100” in the amateur radio community). The satellite includes two linear transponders, one of which is 250 kHz wide and suitable for narrowband modes such as single … Read more