Scanner Frequencies & Codes
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This file contains many of the radio codes & signals you hear used on the air. The information has been gleaned from many sources and since the only way to get this information is to listen and record what the radio codes and signals are encountered, there may be some differences in what is presented here from what you might believe the code or signals is used for. The data is arranged alphabetically by agency name. You can help in this effort. You can simply click on the link above to submit your information, or you can mail your information to us at: National Communications P.O. Box 291918 Kettering, OH 45429 This information is presented as a research tool courtesy of National Communications Magazine. Remember the site is free for you to use, but then there is really nothing that is free of charge. The magazine supports the web site, so please consider supporting the magazine with a subscription. 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You can look up frequencies by city/state You can look up frequencies by frequency/state You can print up the list of frequencies You can email a search to yourself to use in Excel or Scancat============================================================================= SOUTH DAKOTA STATE CODES: 10-3 E.T.A Landline Residence 10-52 Speeder 10-10 Out Of Service, Subject 10-54 Send Backup Units To Call 10-55 Change To Second Frequency 10-11 Dispatching Too Fast 10-56 Set Up Roadblocks At Once 10-12 Visitor Present 10-57 Disregard Further Action On 10-14 Convoy Or Escort Roadblocks 10-15 Prisoner In Custody 10-58 Check For Driver's License & 10-16 NCIC Check Record 10-17 Pick Up Papers At ____ 10-59 Check For Valid Driver's License 10-18 Urgent; Rush 10-60 Next Case Number, Specify City, 10-19 Return To Station State Or Foreign 10-21 Call This Station By Tele. 10-61 Next Item Number 10-22 Take No Further Action 10-62 Have You Completed Traffic/Is 10-23 Stand By Until Interference The Air Clear? Clears 10-65 Clear For Case Or Message 10-24 Make Personal Contact (time) 10-66 Clear For Cancellation And (place) 10-68 Repeat Dispatch 10-25 Do You Have Contact With ___? 10-70 Is There Traffic For This Unit 10-26 Make Contact By Radio/Tele. Or Station? 10-27 Any Answer Our Message? 10-71 Salary Checks Out 10-30 Does Not Conform To Rules & 10-72 Expense Checks Out Regulations 10-73 Out Of Gas At _____ 10-31 Send Wrecker To ______ 10-75 Stolen Car 10-32 Send Ambulance To _____ 10-78 For Your Information 10-33 Emergency Traffic 10-80 Any Narcotics Information 10-34 Is Your Station Clear For 10-82 Request For Room Reservations, Traffic? With Bath, E.T.A 10-35 Confidential Information 10-88 What Number Shall I Call To 10-37 Who Is Operator On Duty? Make Contact With _____? 10-38 Information Is Needed At Once 10-89 Unit Is Off The Air, Needs 10-39 Your Message Delivered Service 10-40 Clear For Local Dispatch 10-90 Civil Disturbance 10-41 Permission Granted For 10-40 10-91 Too Weak, Talk Closer To Micro. 10-42 Officer Now At His Residence 10-92 Too Loud, Talk Further To Micro. 10-44 Out Of Car At ___ With ____ 10-94 Test With No Modulation 10-45 Patrol With Two Officers 10-95 Test With Modulation 10-46 Personal Injury Accident At___ 10-97 Arrived At Scene 10-47 Property Damage At _____ 10-98 Assignment Completed 10-50 Use Caution 10-99 Emergency, All Units Respond 10-51 Driving While Intoxicated 10-100 Out Of Service; Rest Room SOUTH DAKOTA SIGNALS USED FOR THE STATE: A Use Caution 32 Check For Ton Mileage B Use Extreme Caution (subject) 33 Check For Signal Number C Subject At The Scene 34 Check For Livestock Transport D Time Factor Very Important Permit 01 Accident At ___(personal injury) 35 Check For Connection W/Case Number 02 Accident At ___(Property Damage) 36 Check For Record Of _____ 03 Burglary At _____ 37 Check For Subversive Activities 04 Complainant At _____ 38 Make Investigation At _____ 05 Disturbance At _____ 39 Pick Up Officer At _____ 06 Drowning At ______ 40 Assist The Officer At _____ 07 Drunk At _____ 41 Officer On The Street, Use Lights 08 Drunk Driver 42 Make Entry Or Apprehend Only When 09 Felony At _____ Unit ___ Arrives 10 Fight At _____ 43 Proceed To Road Number _____ 11 Fire At _____ 44 Direct Emergency Traffic Through 12 Hit & Run At _____ Intersections At ____ 13 Jail Break At ______ 45 Stop All Cars Coming From The ____ 14 Larceny At _____ 46 Airplane Needed 15 Murder At _____ 47 Airplane Now Assisting 16 No Account Check At _____ 48 Take Or Bring Subject To ____ 17 Robbery At _____ 49 Do Not Shoot 18 Speeder At _____ 50 Make Immediate Contact, Reference 19 Stolen Car At _____ Case Number _____ 20 Suicide At ______ 51 This Is A Civil Defense Test 21 Suspicious Person At _____ 52 This Is A Real Civil Defense Alarm 21B Suspect At ______ 53 Your Last Transmission Was 10-30 22 Contact Officer At _____ 54 Information About This Case Will 23 Contact Police Department At ___ Only Be Released By D.C.I 24 Contact Sheriff At ______ 55 What Date Was Last Frequency Test 25 Contact This Office By Landline Your Station? 26 Contact This Station For Coded 56 Is Your Station Log In Order For Message FCC Inspection? 27 Contact The Hospital For ____ 57 Follow Subject Until Help Arrives 28 Contact For Location Of ____ 58 Check For License 29 Check For Compensation 30 Check For Driver's License 31 Check For Car Registration =============================================================================