Experiment · GNSS · Game
Spoof or real?
Navigation signals are faint, so they can be drowned out (jamming) or imitated (spoofing). You're watching a receiver in a car. Read its signals and call it: clean, jammed or spoofed. The sooner you're right, the more you score.
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- 01Signal strength (C/N0) differs from satellite to satellite and wanders a little. That's normal.
- 02Watch for changes that hit every satellite at once, a clock that jumps, or a position that leaves the road.
- 03Calling an attack too early is a false alarm. Calling "clean" before the end is a gamble.
This is simulated and kept simple, but these tells are the real starting points for interference monitoring, the kind of thing GNSS engineers build tools for.