APCO 10-code for "I understand your transmission"
by IrishRepublicanArmy May 24, 2004
10-4 means "OK," "understood," and "affirmative." Commonly known as CB radio lingo, originating from the need for brevity in radio transmission.
me--"Is anyone there?"
respondent--" 10-4"(to indicate presence).
me--"Let's roll."
respondent--"10-4"(to indicate agreement).
respondent--" 10-4"(to indicate presence).
me--"Let's roll."
respondent--"10-4"(to indicate agreement).
by Mis2y September 21, 2006
by Delbosco October 10, 2021
by Rick Brock March 7, 2004
This is Romeo 1 to all units we have got 3 vehicles sighted at Heroin Processing, Over.
This is Kilo 2 10-4 On last, responding now, over.
This is Kilo 2 10-4 On last, responding now, over.
by Legpain August 27, 2017
"Attention all patrolling units, we have had numerous reports of a high speed street racer on the 192 East."
"Uh, have you got any more info on this call?"
"Driver is currently in a black Atom 500."
"10-4, copy that. I'll be on the lookout for this guy."
"Uh, have you got any more info on this call?"
"Driver is currently in a black Atom 500."
"10-4, copy that. I'll be on the lookout for this guy."
by Mitcho2001 January 20, 2016
by gdub205 October 19, 2006