Delivery apps are glitching and navigation routes are changing abruptly thanks to electronic warfare disrupting the satellite signals that power everything from missiles to your ride home.

Yet despite this reliance, GNSS remains inherently fragile: low‑power signals transmitted from medium Earth orbit are surprisingly easy to degrade, and the consequences of disruption can be severe.

Phased-array radars are great for all sorts of things, whether you’re doing advanced radio research or piloting a fifth-generation combat aircraft. They’re also typically very ...