Crossword Genius

This compares different sources of interference (12)

Ross

I believe the answer is:

atmospherics

'sources of interference' is the definition.
(electrical interferences with phone signals)

'this compares different' is the wordplay.
'different' indicates an anagram.
'this'+'compares'='thiscompares'
'thiscompares' is an anagram of 'ATMOSPHERICS'.

(Other definitions for atmospherics that I've seen before include "Interference" , "Electrical disturbances" .)

I've seen this clue in The Guardian.
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