![10 Codes - 10 CODES 10-0 Caution 10-1 Unable to copy, change location 10-2 Signal Good, Loud and - Studocu 10 Codes - 10 CODES 10-0 Caution 10-1 Unable to copy, change location 10-2 Signal Good, Loud and - Studocu](https://d20ohkaloyme4g.cloudfront.net/img/document_thumbnails/1b0b50869f07edeff4f3b1777794ccf4/thumb_1200_1835.png)
10 Codes - 10 CODES 10-0 Caution 10-1 Unable to copy, change location 10-2 Signal Good, Loud and - Studocu
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? -
What's the date today? 10-4, good buddy! But why do we say "ten four" to mean "understood?" It's from old radio codes! 📻📻📻 #LeapFrog… | Instagram
![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/t0281-01.jpg)