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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.
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DELAWARE STATE RADIO CODES
10-1 Situation under control 10-45 Rescue equipment needed
10-2 Arriving at scene 10-46 Fire apparatus needed for
10-3 Go ahead with message washdown
10-4 OK, Received message 10-47 Dispatch tank truck
10-5 Relay 10-48 Alarm at location
10-6 Busy 10-49 Civil disturbance - Police
10-7 Out of service 10-50 Contact medical examiner
10-8 In service 10-51 Notify fire marshall
10-9 Repeat message 10-52 Permission to leave sector
10-10 Accident, PI, PD, H&R 10-53 Obstruction in roadway
10-11 2nd Fire alarm received 10-54 Road blocked or closed at ______
10-12 Request assistance at HQ 10-55 Pick up __________
or fire station 10-56 School crossing assignment
10-13 Weather and road conditions 10-57 Bomb threat
10-14 Convoy or escort 10-58 Traffic light not functioning
10-15 Prisoner in custody 10-59 Release standby personnel
10-16 Pick up prisoner at ______ 10-60 Contact C.I. division
10-17 Meal stop or send coffee & 10-61 Property check
sandwiches to scene 10-62 Clear on property check
10-18 Clear assignment ASAP 10-63 Advise where _____ can be
10-19 Return to ________ contacted
10-20 Location 10-64 Special unit operating in area
10-21 Contact by telephone 10-65 Attempting warrant at ______
10-22 Disregard 10-66 Radio tower lights checked
10-23 Direct traffic at ______ 10-67 Permission to transmit car to car
10-24 Send assistance to scene 10-68 Meet officer ______ at ______
10-24A Assist ______ at ______ 10-69 Enroute to _________
10-25 ETA 10-70 Report to __________
10-26 Advise operator's # of ____ 10-71 Alert for major emergency
10-26A Record of traffic violations 10-72 Mobilize for major emergency
10-26B Record of criminal violation 10-73 Report to marshalling area
10-27 Notify appropriate police 10-74 Supplement committed personnel
agency and equipment
10-28 Registration information 10-75 Activate scrambler
10-29 Check for wanted 10-75A Deactivate scrambler
10-29N Negative on wanted 10-76 911 hang up
10-29P Positive on wanted 10-77 Radio restriction
10-30 Does not conform to rules & 10-78 Radio restriction lifted
regulations 10-79 Routine non-emergency transport
10-31 Meet complainant at _____ 10-80 Spinal injury
10-32 Complaint to be suffixed 10-81 Mental patient
alphabetically 10-82 Communicable disease
10-33 Parking violation 10-83 Head, face & neck injury
10-33A Disabled vehicle (location) 10-84 Seizure
10-34 Prepare to make copy 10-85 Convulsions
10-35 Confidential information 10-86 Drowning
10-36 Time check 10-87 Police action (caution)
10-37 Advise if court is open 10-88 Overdose
10-37N Court not open 10-89 Burns
10-38 Magistrate available? 10-90 Possible cardiac arrest
10-38N Magistrate not available (external heart massage)
10-39 Use caution 10-91 D.O.A.
10-40 Officer in trouble 10-92 Possible internal injury
10-41 Checking MV or pedestrian 10-93 Fractured limb
at location 10-94 Miscarriage
10-42 Clear on check 10-95 Emergency maternity
10-42A Arrest 10-96 Have oxygen ready
10-42CPC -- Crime prevention check 10-97 Severe bleeding
10-42R Reprimand 10-98 Stroke victim
10-43 Wrecker needed 10-99 Heart attack
10-44 Ambulance needed 10-100 Clear the air - emergency msg.
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