What does 10-4 mean on a walkie talkie?

Message received
10-4 = Message received. 10-5 = Relay message to ___ 10-6 = Busy, please stand by. 10-7 = Out of service, leaving the air. 10-8 = In service, subject to call.

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. ‘Over’ means ‘I have finished speaking and am awaiting a reply. 10-4 was frequently used over the radio in the 50s police TV series Highway Patrol starring Broderick Crawford.

What does a 10-5 mean?

10-5 Relay. 10-6 Busy–stand by unless urgent. 10-7 Out of service. 10-8 In service.

What is the opposite of 10-4?

Signals by era

Signal	APCO Meaning
	1940 (APCO Standards Committee)	APCO Project 14 (1974)
10-4	Acknowledgement.	Affirmative (Ok)
10-5	Relay.	Relay (To)
10-6	Busy.	Busy

What does 10-10 on the side mean?

10-10. CB user will cease broadcasting but will continue to listen. (“I’m 10-10 on the side.”)

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.

Why do they say 10 4?

“10-4” is a way for cops to say they understand . There is more than one ten-code. Using something called ten-codes in police lingo, “10-4” means the cop saying it understands what they’ve been told. That’s not to be confused with “10-45” which has multiple meanings, depending on the police department.

What does 10-4 mean in radio communication?

10-4 is one of the so-called ten-codes, or radio signals, invented by the Association of Public-Safety Communications Officials-International ( APCO ). 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…

What does the phrase 10-4 mean?

In our modern day world, we use the phrase “10-4” (ten four) to mean “I heard and understand what you said.”. That is actually the meaning of the phrase in its origin, too. Back in the early days of radio use, policemen realized that speed and encrypted messages were best when trying to communicate with each other.

What does the 10 in 10-4 mean?

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.