Controlled reception pattern antenna explained

Controlled reception pattern antennas (CRPA) are active antennas that are designed to resist radio jamming and spoofing. They are used in navigation applications to resist GPS spoofing attacks.^{[1] [2]}

Notes and References

1. Web site: 2017-04-12 . Anti-jam technology: Demystifying the CRPA - GPS World . 2024-03-21 . GPS World - The Business and Technology of Global Navigation and Positioning . en-US.
2. Web site: What are CPRA or Controlled Reception Pattern Antennas? . everythingrf.com.