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USING COMMON 10-CODES

Citizen’s band operators have largely adopted the 10-codes for standard questions and answers. These codes permit faster communication and better intelligibility in noisy areas.

This table lists codes adopted by the Associated Public-Safety Communications Of- ficers (APCO).

Code

Meaning

 

 

 

 

10-1

Your signal is bad.

 

 

10-2

Your signal is good.

 

 

10-3

Stop transmitting.

 

 

10-4

Message received and under-

stood.

 

 

 

10-5

Relay information to _____.

 

 

10-6

I am busy or are you busy?

 

 

10-7

Out of service.

 

 

10-8

In service.

 

 

10-9

Repeat last message.

 

 

10-10

Negative (NO).

 

 

10-11

_____ in service.

 

 

10-12

Stand by.

 

 

10-13

Report road/weather condi-

tions.

 

 

 

10-14

Information.

 

 

10-15

Message delivered.

 

 

10-16

Reply to message.

 

 

Code

Meaning

 

 

 

 

10-17

En route.

 

 

10-18

Urgent.

 

 

10-19

Contact _____.

 

 

10-20

What is your location?

 

 

10-21

Call _____ by telephone.

 

 

10-22

Cancel last message.

 

 

10-23

Arrived at the scene.

 

 

10-24

Assignment complete.

 

 

10-25

Meet _____.

 

 

10-26

Estimated time of arrival is

_____.

 

 

 

10-30

Use caution.

 

 

10-31

Pick up.

 

 

10-33

Emergency traffic. Clear the

channel.

 

 

 

10-34

What time is it?

 

 

10-41

Switch to Channel –.

 

 

10-62

Cannot understand.

 

 

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Samsung TRC-445 owner manual Using Common 10-CODES, Code Meaning