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Related Clues:
- Palindromic detection system
- Radio device for tracking distant objects
- Device for tracking objects
- Palindromic tracking system
- System for detecting objects with radio waves
- Instrument to detect and locate distant objects
- System for detecting things using radio waves
- Instrument to detect distant objects
- Detector
- Up and down on the screen
- Type of gun for a trooper
- Speed trap tool
- Doppler --
- Trooper's device
- Device for catching speeders