Radio Shack TRC-446 owner manual Using Common 10-CODES, Code Meaning

21-1574.fm Page 16 Thursday, May 13, 1999 4:03 PM

USING COMMON 10-CODES

Citizen's band operators have largely adopted the following 10-codes for stan- dard questions and answers. These codes permit faster and more precise communication in noisy areas. This ta- ble lists codes adopted by the Associat- ed Public-Safety Communications Officers (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
	conditions.
10-14	Information.
10-15	Message delivered.
10-16	Reply to message.
10-17	En route.
10-18	Urgent
10-19	Contact_______
10-20	What’s your location?

Code	Meaning
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.

Note: Although this table lists the 10- codes’ meanings in the form of a state- ment, they can also be phrased as questions (10-6: Are you busy?, 10-20: What is your location?).

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