01 · ALONE
Alone, a machine only guesses.
GPS drifts by meters. Indoors, underground, or jammed, it has nothing at all.
~8 M OF DOUBTU.S. DOT · SIXTH AVENUE
02 · RANGING
Every node is a reference point.
Each machine times a radio pulse to its neighbors and gets a distance. Every pair is measured. Five machines fix each other.
5 MACHINES · 10 RANGESEVERY PAIR MEASURED
03 · LOCKED TO 10 CM
The mesh locks to 10 cm.
On Sixth Avenue in Manhattan, raw GPS was wrong by eight meters. The mesh held ten centimeters. Recorded for the U.S. DOT.
8 M → 10 CMU.S. DOT · SIXTH AVENUE
04 · GPS DENIED
There is nothing to jam.
Kill GPS entirely. With satellites denied and heavy dust in the air, navigation held ten centimeters relative in U.S. Army trials. Under active RF jamming, its convoys degraded gracefully.
±10 CM, GPS DENIEDU.S. ARMY