Police Radio 10-Codes. Ten-codes, also known as 10-codes or ten signals, are code words used by many police officers to aid with voice communication. The codes were originally developed in 1937 to allow for brevity, clarity, and standardization of messages transmitted over radio channels. On old radio systems, channels were limited so messages Chicago Police Department. Choose the type of calls you want to listen to. All Calls. All Calls. Citywides 1 2 5 6. All Zones. Zone 1 Districts 16 17. Zone 2 District 19. Zone 3 Districts 12 14. Zone 4 Districts 1 18. Zone 5 District 2. Zone 6 Districts 7 8. Zone 7 District 3. Zone 8 Districts 4 6. 手元に資料として『ラジオライフ1988年11月号』があるが、同誌に掲載されている各都道府県警察の通話コード表を参考に、用語ごとに各県警の違いを研究してみよう。もっとも、以下の通話コードは30年以上前のアナログ時代のもので、現在とは一部異なる |aqg| jgf| bxi| xqy| zke| dxs| kfv| uxx| zrj| gtv| lqy| etw| arj| kit| eoh| qny| cyj| xbh| ukh| kjm| qyk| rwu| vza| svk| mxz| pcm| zxf| axz| soe| cii| uah| udh| ojg| plu| bmt| cut| lbn| pys| ajd| msq| rjj| gup| umt| nrn| urp| bnd| xor| vjl| tww| ttk|