Radio Codes & Signals -- Iowa


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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. With an annual subscription of $21.00 you will also receive access to our on-line 4 Million frequency searchable databases. We also have a site dedicated to Trunked Frequencies which is also available to you at no charge. 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



10-200  Drug Case


10-1   Unable To Copy                 10-44  Request Permission To Leave
10-2   Signals Good                          Patrol ____ For _____
10-3   Stop Transmitting              10-45  Animal Carcass In Lane
10-4   Acknowledgement                10-46  Assist Motorist
10-5   Relay                          10-47  Emergency Road Repair Needed
10-6   Busy-Stand By Unless Urgent    10-48  Traffic Standard Needs Repair
10-7   Out Of Service (give location  10-49  Traffic Lights Out
       and/or telephone number)       10-50  Accident---F,PI,PD
10-8   In Service                     10-51  Wrecker Needed
10-9   Repeat                         10-52  Ambulance Needed
10-10  Fight In Progress              10-53  Road Blocked
10-11  Dog Case                       10-54  Livestock On Highway
10-12  Stand By (stop)                10-55  Intoxicated Driver
10-13  Weather & Road Report          10-56  Intoxicated Pedestrian
10-14  Report To Prowler              10-57  Hit & Run--F,PI,PD
10-15  Civil Disturbance              10-58  Direct Traffic
10-16  Domestic Trouble               10-59  Convoy Or Escort
10-17  Meet Complainant               10-60  Squad In Vicinity
10-18  Complete Assignment            10-61  Personnel In Area
10-19  Return To _____                10-62  Reply To Message
10-20  Location                       10-63  Prepare To Make Written Copy
10-21  Call ____ By Telephone         10-64  Message For Local Delivery
10-22  Disregard                      10-65  Net Message Assignment
10-23  Arrived At Scene               10-66  Message Cancellation
10-24  Assignment Completed           10-67  Clear To Read Net Message
10-25  Report In Person To (meet)___  10-68  Dispatch Information
10-26  Detaining Subject, Expedite    10-69  Message Received
10-27  Drivers License Information    10-70  Fire Alarm
       1--To Check For Valid License  10-71  Advise Nature Of Fire (size,
       2--To Check For Previous              type, & contents of building)
          O.M.V.U.I Convictions       10-72  Report Progress On Fire
       3--To Check For Age Or         10-73  Smoke Report
          Description Or Serial       10-74  Negative
          Number, Etc.                10-75  In Contact With
       4--To Check Complete Driving   10-76  In Route
          Report                      10-77  ETA (estimate time of arrival)
10-28  Vehicle Registration Info.     10-78  Needed Assistance
10-29  Check Records For Wanted       10-79  Notify
10-30  Illegal Use Of Records         10-82  Reserve Lodging
10-31  Crime In Progress              10-84  If Meeting___ Advise ETA
10-32  Man With Gun                   10-85  Will Be Late
10-33  EMERGENCY                      10-87  Pick Up Checks For Distribution
10-34  Riot                           10-88  Advise Present Telephone Of ____
10-35  Major Crime Alert              10-90  Bank Alarm
10-36  Correct Time                   10-91  Unnecessary Use Of Radio
10-37  Investigate Suspicious Vehicle 10-93  Blockade
10-38  Stopping Suspicious Vehicle    10-94  Drag Racing
       (give us complete description) 10-96  Mental Subject
10-39  Urgent--Use Lights & Siren     10-98  Prison Or Jail Break
10-40  Silent Run-No Lights Or Siren  10-99  Records Indicate Wanted Or
10-41  Beginning Tour Of Duty                Stolen
10-42  Ending Tour Of Duty
10-43  Information

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