Enter a clue or pattern or both:
The Clue
Radar signals (6 letter answer)
The Answer
TRACES
Tags
Notes
The answer TRACES is seen occasionally, appearing about once every 650 puzzles.
Related Clues
Delineates
Footprints
Remnants
Soupçons
Vestiges
Bits of evidence
Clues for detectives
Copies, in a way
Harness parts
Minute quantities
Sniffs out
Uses as a pattern
Does tec work
Makes copies of, maybe