Enter a clue or pattern or both:
The Clue
Radar screen image (4 letter answer)
The Answer
BLIP
Tags
Notes
The answer BLIP is seen frequently, appearing about once every 170 puzzles.
Related Clues
Lie indicator on a polygraph test
Brief interruption
Brief upturn
Image on an oscilloscope
Image on radar
Radar dot
Radar image
Radar sight
Radar sighting
Radar sign
Radar signal
Radar spot
Radar warning
Radarscope signal
Signal on a screen
Sonar spot
Spot on the radar
Submarine, on sonar
Tiny indicator
Image on a radar screen
Image in a radar set
It's barely noticeable
It's hardly a trend
Mark on a radar screen
Radar screen dot
Radar-screen image
Radar-screen spot
Radar-set image
Sound on classic Pong
Tiny bump on a graph
It might be on one's radar
It's monitored by an air traffic controller
Tiny light that's here and gone
Definition
BLIP as a noun:
1. a sudden minor shock or meaningless interruption; "the market had one bad blip today"; "you can't react to the day-to-day blips"; "renewed jitters in the wake of a blip in retail sales"
2. (blip, pip, radar target) = a radar echo displayed so as to show the position of a reflecting surface