![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)
Appendix D Ten-Code Signals for Police and Emergency Personnel - Ham and Shortwave Radio for the Electronics Hobbyist [Book]
What do codes that police officers use mean? For example, they use 10-4, 1033, 487, and stuff like that. - Quora
Ontario Provincial Police - Careers - To thy 10-codes be true! Can you decipher this OPP lingo? | Facebook
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It's Over and Out and 10-22 on Codes Found in Piece of Ephemera from Weaver's Liquors. - Window on Cecil County's Past
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