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What Is A 10 4 In Police Code? [Solved]

10-4 is an affirmative signal: it means “OK.” The ten-codes are credited to Illinois State Police Communications Director Charles Hopper who created them between 1937–40 for use in radio communications among cops. Chase’s Calendar. @ChasesCalendar. · Follow.2 Aug 2018

What Mean 10 4 ?

Ten

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Maryland State