Chance that a hostile or unknown object passes over a spot in the next 10 minutes, allowing for turns. Civil and friendly traffic raises none.lowmediumhighRed outline: Take cover — a phone inside says the object is right above it or very near (its 2σ position plus a margin by kind). Amber dashed: too poorly placed for that, Warning inside.
Objects that only acoustic posts and phones hear show as one track while they fly close together — about 2 km apart where posts stand 2 km apart, up to 6–8 km on the 6 km national mesh — until a camera, a passive RF detector or a direction-finding post tells them apart.
Pills = what that node hears. Position claims come only from the fused estimate.
No nodes connectedStart the simulator (bun run sim) or open /phone on a phone.
Live state disconnectedState is 0 s old
Unplaced phones
Select a phone, then click the map to place it.
Manual · not acoustic — what the operator knows, never what the network inferred.
You're looking at a live drone-warning network
Every ring is a sensor listening for drones. The purple glow is where one probably is. Your phone can join in about 30 seconds.
CONNECTING