Emergency Code
HQ
Police
EMS
Fire
Baltimore Police Department
10-4: Message Received
Used to acknowledge that a message or transmission was received and understood.
Category
Communication
State
Maryland
Agency
Baltimore Police Department
Sources
https://wiki.radioreference.com/index.php/Baltimore_City_(MD)_Police
View all codes for the Baltimore Police Department
View all usages of 10-4 in our dataset