KHZ

7 recorded uses

Date	Clue
2020-10-25	AM radio abbr.
2018-01-09	Letters on an AM dial
2017-10-10	Radio freq. unit
2016-07-08	Radio frequency abbr.
2015-10-18	Radio freq.
2011-12-25	Radio abbr.
1994-11-07	Unit of radio frequency: Abbr.