The phrase essentially means, “What is your location?” or “Identify your position,” but is a corrupted phrase from the original “10-20” used by law enforcement to verbally encode their radio transmissions so that non-police listeners would not easily discover police operations, as well as to communicate quicker and ...
10-20: Your current location. 10-21: Call by telephone. 10-22: Report in person to [location] 10-23: Stand by. 10-24: Completed last assignment.
They developed in the late 1930s when police squads began using two-way radio to communicate. One was 10-20, meaning “location.” Asking What's your 20? emerged as a way to seek another's whereabouts.
10-4 is a way of saying “message received” in radio communications. It's also used as a way to “you got it.”
"Breaker 1/9" is originally a Citizens' Band radio slang term telling other CB users that you'd like to start a transmission on channel 19, and is the phrase that starts C. W. McCall's 1975 novelty hit "Convoy".
"Rubber Duck" – The first vehicle in a convoy. "Rubbernecker" – Vehicles that further slow down or impede already congested traffic by rotating their heads 180 degrees to view the accident or traffic incident and not paying attention to the road ahead.
Message received; OK; acknowledged. 10-47. Lost/Missing person. 10-5.
10-100 Need to go to the bathroom (I should have known getting an extra big Gulp was a bad idea!). 10-101 to 10-199: I am not a trucker and am saying 10 followed by a random number. 10-200: Police needed at… (Somebody is breaking the law).
This particular code is used to indicate an officer's end of tour. While 10-42 is most frequently used when an officer has completed his tour of service for the day, it is also used in conjunction with funeral proceedings when an officer has been killed in the line of duty.
10-40. Silent Run - No Light, Siren.
10-40. Silent Run - No Light, Siren.
10-13. Report Conditions (weather) 10-14. Prowler/Burglar.
The formal definition of 73 is “Best Regards” – it's a nice way to say goodbye that is unique to amateur radio.
But unless you're familiar with the history of radio, the origins of 10-4—meaning “Message received” or “OK”—may not seem so obvious. As Dictionary.com reports, 10-4 is part of a collection of “ten-codes” developed by Illinois State Police communications director Charles Hopper in the late 1930s.
10-8 In service/available for assignment.
The number “10” is a size designator with no numerical meaning. The number “32” refers to 32 threads per inch. You can identify a 10-32 screw by measuring the diameter at exactly 3/16″ (4.76 mm).
Ten-codes, especially "10-4" (meaning "understood") first reached public recognition in the mid- to late-1950s through the popular television series Highway Patrol, with Broderick Crawford. Crawford would reach into his patrol car to use the microphone to answer a call and precede his response with "10-4".
As intricate as evaluating NFL potential has become, the 40 is one of simplest tests there is in football: run 40 yards, we'll time you. GO! For players who run it fast enough, it's a possible opening to something more.
A law enforcement officer with a radar gun. Don't Edit. Don't Edit. Rocking chair. In a convoy or a line of vehicles, the rocking chair a position that is neither in the front nor at the rear.
Flip-Flop: A term for a trip where the trucker simply turns around and goes back the way he came.
4-10 – This means someone agrees with what is being said. 10-4 – This is a truckers way of saying “OK”. Chicken Coop – Truckers often use that term to describe weigh stations.
Often times a truck driver will flash his trailer lights as a “thank you” for your courtesy. “I am slowing down or stopping.” When you're driving on the highway for a long time, you experience something called velocitization. This means that your ability to recognize changes in speed goes down.
The term “lot lizards” refers to prostituted people who work in truck stops and rest areas. Truck stop prostitution occurs most commonly at night but can also happen during the day. Prostituted men and women are often victims of sex crimes.