Related Clues:
- Looking back and forth, finding apparatus
- Palindromic device
- 'M*A*S*H' corporal who hears choppers before anyone else
- "M*A*S*H" corporal who hears choppers before anyone else
- Kind of gun that catches speeders
- It can detect speeders
- Acronym coined by the US Signal Corps
- ''Doppler'' device
- Extrasensory awareness
- Doppler ___ (meteorologist's tool)
- It catches major league fastballs
- Speed reader, of a sort
- Sweeper in drama school at top of road
- Speed-measuring device
- Jet-tracking device