Feds working to end use of 10-codes
By John Scheibe
Ventura County Star
If federal Homeland Security officials have their way, the next time a police officer arrives on scene, he'll simply radio back "I'm here" rather than saying "10-97."
Police have long used "10-codes" to communicate with each other and dispatchers. The codes were developed in the 1930s, when radio channels were scarce. They allowed police to succinctly relay information through a four-digit number rather than clog the airwaves with wordy descriptions.
Full story: Feds working to end use of 10-codes