How Exactly Does Russia Jam GPS?

Let's get into the technical details

Notice the GPS jamming spilling over into Finland and Poland. Screenshot from the free GPS jamming map service gpsjam.org

In Europe at this very moment, satellites whisper, and Russia screams.

That’s the essence of GPS jamming: weak, fragile signals sent from 20,000 kilometers overhead, snuffed out by ground-based transmitters shouting louder in the same…