They benefit from GPS — and the three other GNSS, namely Russia’s GLONASS, China’s BeiDou and Europe’s Galileo — in many ways and are unaware of most of them, such as the fact that GNSS receivers ...

GNSS signals caused by reflection and diffraction. The signals: green denotes LOS signals, red and purple denote reflected signals, and blue and yellow denote diffracted signals. A pioneering ...