21
This table lists codes adopted by the Associated
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 understood.
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 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 _____.
21-1678.fm Page 21 Thursday, August 5, 1999 12:45 PM
