![Appendix D Ten-Code Signals for Police and Emergency Personnel - Ham and Shortwave Radio for the Electronics Hobbyist [Book] Appendix D Ten-Code Signals for Police and Emergency Personnel - Ham and Shortwave Radio for the Electronics Hobbyist [Book]](https://www.oreilly.com/api/v2/epubs/9780071832922/files/t0283-01.jpg)
Appendix D Ten-Code Signals for Police and Emergency Personnel - Ham and Shortwave Radio for the Electronics Hobbyist [Book]
Do police officers use codes on their walkie talkies? If not, why don't they just say 'I need backup at this location'? Or does this happen sometimes without being coded as such? -
![moved 📌 on X: "here are the police codes for those listening in on the radio https://t.co/0ScQ9IN3Dp" / X moved 📌 on X: "here are the police codes for those listening in on the radio https://t.co/0ScQ9IN3Dp" / X](https://pbs.twimg.com/media/EuaIoV4VEAATY8E.jpg)