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. In the 1930s, radio technology was still relatively new and limited.
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Why does 10-4 mean over and out?
: As for ‘Over and out,’ you would be shot out of the water if you used the phrase on marine radio.10-4 was frequently used over the radio in the 50s police TV series Highway Patrol starring Broderick Crawford.
What does 10-4 mean on the radio?
Message received
10-4. Message received; OK; acknowledged.
What does a 10-5 mean?
Relay
10-5 = Relay this information to (name of a person, officer, etc.)The ceremony is typically conducted by the dispatcher issuing one last call to the officer, followed by a moment of silence.
What are the 10-4 codes?
Police 10 Codes
| Code | General Purpose | APCO (Association of Police Communications Officers) |
|---|---|---|
| 10-3 | Stop Transmitting | Stop Transmitting |
| 10-4 | Acknowledgment (OK) | Affirmative (OK) |
| 10-5 | Relay | Relay To/From |
| 10-6 | Busy – Unless Urgent | Busy |
Why do they say Roger that?
“Roger” was “phonetic” for “R” (received and understood”. In radio communication, a “spelling alphabet” (often mistakenly called a “phonetic alphabet) is used to avoid confusion between similarly sounding letters. In the previously used US spelling alphabet, R was Roger, which in radio voice procedure means “Received”.
What is a 10 99 police code?
Police and other agencies use 10 codes to verbally communicate efficiently. The word ten (10) indicates the next number, or numbers, is code.
Police 10 Codes. General Purpose.
| 10-1 | Unable Copy – Change Location |
|---|---|
| 10-96 | Mental Subject |
| 10-97 | Check (Test) Signal |
| 10-98 | Prison / Jail Break |
| 10-99 | Wanted / Stolen Indicated |
What does what’s your 1020 mean?
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
What is a 10 33 in police code?
For example, in the NYPD system, Code 10-13 means “Officer needs help,” whereas in the APCO system “Officer needs help” is Code 10-33.
What is the difference between copy and Roger?
Copy that is used to acknowledge information while no need to act while roger that is used to acknowledge some information/instruction after which acknowledgee will ‘act’. Roger / Roger That: The term “Roger” is used in radio communication to mean that your message has been received and understood.
What does code 104 mean?
10-4 is a way of saying “message received” in radio communications. It’s also used as a way to “you got it.”
What is Chicago police code 101?
10-1: The call on the police radio that a police officer needs help.
What does a 10 8 mean?
10-8 In service/available for assignment. 10-9 Repeat last transmission.
What does what’s your 20 mean?
What’s your 20? is CB (Citizens Band radio) lingo for “What’s your location?” What’s your 2020 can be part of a question about a person’s presidential aspirations for the 2020 election or about a person or organization’s goals or aims for the year 2020.
What does Adam mean in police code?
At the LAPD, an “Adam” radio call sign designates a two-officer uniformed patrol unit, the basic field unit for LAPD. It is preceded and followed by a number. The first number is the division or patrol area, and the second is the beat area designator. “7-Adam-5” would be a Wilshire area patrol car, assigned to beat 5.
What does code 1 mean in police?
Code 1: A time critical event with response requiring lights and siren. This usually is a known and going fire or a rescue incident.
Why do pilots say copy?
The word “copy” in aviation simply means, “Message received and understood.” The word is almost always paired with the aircraft callsign or tactical name (if military) so it’s clear who is saying it.
Why do pilots say Roger Wilco?
So, in short, “Roger” means “r” which stands for “received.” The word “Roger” means nothing more. Taking it a step further, some may know “Roger” as part of the full reply “Roger Wilco.” Translated into typical English, that phrase actually means “Received, will comply.”
What does Wilco mean in the military?
will comply
To indicate a message had been heard and understood—that is, received—a service-person would answer Roger, later expanded to Roger that, with that referring to the message. In military slang, the phrase Roger wilco conveyed the recipient received the message and will comply with its orders, shortened to wilco.
What is a Code 5 stop?
Usually, “code 5” means stakeout. So, when a cop says on the radio that they are “code 5,” they are essentially saying that they plan to be on a stakeout.
What is a 10 35 in police code?
10-35 Confidential information or backup needed/Assist officer on car stop at (location).