Crossword Genius

Radio reception problem which never goes away (6)

Ross

I believe the answer is:

static

I'm a little stuck... Click here to teach me more about this clue!

'radio reception' is the definition.
'static' can be an answer for 'reception' (thesaurus). I am unsure of the 'radio' bit.

I don't understand how the rest of the clue works.

Can you help me to learn more?

(Other definitions for static that I've seen before include "Not in physical motion" , "Lacking movement or action" , "Lacking change" , "Unmoving like kind of electricity" , "Stationary" .)

I've seen this clue in The Globe and Mail.
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