How Android smartphones are transforming ionosphere mapping
1. What is the ionosphere & why it matters The ionosphere is a region of Earth’s upper atmosphere (roughly 50 – 1,500 km altitude) filled with charged particles (free electrons and ions) produced mainly by solar radiation. IDEAS/RePEc+2PMC+2 Radio signals (including GNSS/GPS signals) that pass through the ionosphere experience delays, refractions or distortions because of…


