Radio Codes & Frequencies

Emergency services personnel depend on the use of two-way radio communications to quickly receive and transmit important information. To help keep radio traffic brief yet concise, dispatchers and officers communicate using a system of police and ten signals. Each signal stands for a certain phrase or message. Listed below are the signals most commonly used by the Gibson County Sheriff's Department.

Gibson County Sheriff	155.595
Princeton Police Dept.	159.165
Gibson County Ambulance	155.205
Gibson County Fire	154.265
Gibson County Paging	154.980
Point-to-Point	155.370
ILEEN	155.475

Signal 8	Meet
Signal 9	Disregard/Cancel
Signal 10	Rush/Use lights & sirens
Signal 23	Speeding vehicle
Signal 27	Stopping vehicle
Signal 37	Is everything okay?
Signal 38	Everything is okay.
Signal 40	Subject is wanted
Signal 42	Alcohol test
Signal 60	Drugs or narcotics
Signal 66	Service unavailable
Signal 100	Emergency traffic only
Signal 135	Governor in/out of district

10-0	Fatality
10-2	Radio signal good
10-4	Acknowledgment
10-6	Busy
10-7	Out of service
10-8	In service
10-13	Road or weather report
10-14	Prowler
10-16	Domestic trouble
10-20	Location
10-23	Arrived at scene
10-24	Assignment completed
10-27	Driver's license information
10-28	Vehicle registration information
10-29	Check for wanted
10-41	Starting shift
10-42	Ending shift
10-43	Information
10-46	Assist motorist
10-50	Accident (PD, PI, Fatal)
10-51	Wrecker
10-52	Ambulance
10-55	Intoxicated driver
10-56	Intoxicated pedestrian
10-70	Fire
10-76	En route
10-90	Bank alarm