GNSS Spoofing and Detection

GNSS spoofing and detection covers both the offensive and defensive sides of satellite navigation security — systems that generate false positioning signals to redirect or neutralize drones and other GNSS-dependent platforms, and countermeasure technologies that identify when a receiver is being fed fabricated navigation data. Together these capabilities form a complete electronic warfare layer for protecting assets from spoofing attacks while retaining the ability to deploy spoofing offensively against hostile UAVs and autonomous systems.

On the offensive side, spoofing transmitters replicate GPS, GLONASS, Galileo, and BeiDou signals across all four constellations simultaneously, broadcasting at power levels sufficient to override genuine satellite signals at the target receiver. Signal synthesis engines generate position and timing offsets in real time, enabling operators to steer drones off course, enforce no-fly zones, trigger forced landings, or redirect autonomous platforms to predefined capture coordinates. Effective ranges on fixed networked installations reach 1 to 10 kilometers, while portable units cover several hundred meters with cold-start readiness under 60 seconds.

On the detection side, anti-spoofing receivers use techniques including multi-antenna array monitoring, signal strength anomaly detection, cross-constellation consistency checks, and inertial measurement unit (IMU) cross-referencing to identify discrepancies between reported GNSS position and independent navigation data. Digital beamforming receivers generate null steering patterns to isolate and cancel incoming spoofing signals while maintaining lock on genuine satellite transmissions. Detection systems used on UAV platforms weigh as little as 500 grams and consume under 9 watts, maintaining GNSS lock in jamming environments exceeding +30dB interference levels.

These dual-capability systems are operationally relevant to Pakistan Army electronic warfare units, Pakistan Air Force airspace security operations, critical infrastructure protection around Islamabad and Karachi, and border monitoring along Pakistan’s western and northern frontiers where GNSS-dependent drone threats are active.

Tactical Supply Pakistan supplies GNSS spoofing and detection systems for electronic warfare, counter-UAS operations, and navigation security procurement across Pakistan.