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.
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. Ten-Four Day ~ for decades, Oct 4 has been a day to salute radio operators.
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".
Message received; OK; acknowledged. 10-47. Lost/Missing person. 10-5. Relay message.
10-9 Repeat last transmission. 10-10 Off duty. 10-10A Off duty at home. 10-11 Identify this frequency. 10-12 Visitors are present (be discrete).
__ Units Needed (Specify) Defective Traffic Light. 10-33. Emergency. Need Immediate Assistance.
10-23. Arrived at Scene. Arrived at Scene. Breaking In (In Progress)
What's your 20? is part of a system of radio codes called 10-codes. 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+2 refers to the 2 years of schooling which is required post grade 10, adopted by high schools in Nepal. 10+2 is gradually replacing the conventional modes of intermediate education, being the Intermediate of Science (I. Sc.), Intermediate of Commerce (I. Comm.), Intermediate of Arts/Humanities (I. A.)
What does 11 to 5 odds mean? 11-5 Betting Odds means that out of 16 potential outcomes, the 11/5 odds are that there will be 11 of one kind of outcome and 5 of another kind of outcome.
WHAT DOES 10-1 MEAN ON A FILM SET? On a film set, 10-1 is the walkie talkie code for the bathroom. While literally meaning you need to pee, using as this as a catch-all saves your film crew from t.m.i.
10-50. Traffic Accident (PD No Injury, PI Injury, LSA Left scene)
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.
10-5 Relay Message. 10-6 Busy, Stand By. 10-7 Out of Service, Leaving Air. 10-8 In Service, subject to call. 10-9 Repeat Message.
One “Ten Code” that is not as familiar to the general public is “10-42”. This particular code is used to indicate an officer's end of tour.
10-32 Threads
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).
Stopping Suspicious Vehicle. 10-62. B and E in Progress. 10-63. Prepare to Receive Assignment.
10-11 Employee Number. 10-12 Stand By. 10-13 Weather Conditions. 10-14 Message / Information. 10-15 Message Delivered.
10-6 Busy -- stand by unless urgent. 10-7 Out of service. 10-8 In service. 10-9 Repeat.
12 is a slang term for police or any law enforcement officials of uncertain origin. Possible sources include the police radio code "10-12" and the 1968 TV show Adam-12, which followed two Los Angeles Police Department (LAPD) officers and their patrol car, "1-Adam-12."
The term 10/100 Base refers to an Ethernet connection that supports both 10 Mbps (megabits per second) and 100 Mbps data transmission rates. Ethernet is the commonly employed networking standard for LAN communications.
10-200: Police needed at… (Somebody is breaking the law). 10-201+: I am not a trucker and am saying 10 followed by a random number.
If all the other person says is, “10-4,” you don't need to say anything. You can say, “10-4, over” if you'd like to let them know you're done speaking if you'd like.