Related Clues:
- It's barely noticeable
- Brief upturn
- Control tower image
- Jet, to an air traffic controller
- Radar-screen sound
- Sound on classic Pong
- Anomalous rise
- Inconsequential interruption
- Dot on a screen
- Minor anomaly
- It may be on the horizon
- Sonar echo
- Point on a radar screen
- Tiny light that's here and gone
- Radar-screen feature