130:. The dynamotor took from 1/10 to 1/4 of a second to "spin up" to full power. Police officers were trained to push the microphone button, then pause briefly before speaking; however, sometimes they would forget to wait. Preceding each code with "ten-" gave the radio transmitter time to reach full power. An APCO Bulletin of January 1940 lists codes assigned as part of standardisation.
3798:
Proceed directly to Code 2 calls as quickly as is consistent with safety. Agents may, in exceptional cases, use their emergency equipment (both visual and audible to comply with state law) to traverse an otherwise clear intersection against a red traffic control device. Once clear of the intersection
5448:
Ten-codes require transmission of three prefix characters "10-" and two numbers, so five characters, on top of which digits and punctuation are all long sequences in Morse (5–6 dits or dahs). Letters are all short sequences in Morse (1–4 dits or dahs), so the prefix "Q" and two
4406:
numbers are still used today instead of the corresponding ten-code. Generally these are given as two sets of numbers—"One Eighty-Seven" or "Fifty-One Fifty"—with a few exceptions such as "459"—Burglary, which is given as "Four-Five-Nine". The
American public was made aware of these California Penal
3249:
APCO International stated in 2012 that plain speech communications over public safety radio systems is preferred over the traditional 10-Codes and dispatch signals. Nineteen states had changed to plain
English by the end of 2009. As of 2011, ten-codes remained in common use in many areas, but were
3839:
When an agent is dispatched to a traffic accident, and the dispatcher states, "Code 6," the agent will advise the drivers involved to proceed to the station to file their reports. This will only be done if there are no injuries, no unusual circumstance and the vehicles are safely operable. Driver
95:
A standard arrangement of the context of messages, (for example, name and description of missing person might be transmitted as follows: Name, age, height, weight, physical characteristics, clothing; if car used, the license, make, description and motor number. This information would actually be
133:
In 1954, APCO published an article describing a proposed simplification of the code, based on an analysis conducted by the San Diego Police
Department. In the September 1955 issue of the APCO Bulletin, a revision of the Ten-Signals was proposed, and it was later adopted.
4350:
Radio users will confine all radio transmissions to an emergency in progress or a new incident. Radio traffic which includes status information such as responding, reports on conditions, at scene and available will not be authorized during this period.
3222:
While ten-codes were intended to be a terse, concise, and standardized system, the proliferation of different meanings can render them useless in situations when officers from different agencies and jurisdictions need to communicate.
207:. However, the ten-codes used by the NYPD are not the same as those used in the APCO system. For example, in the NYPD system, Code 10-13 means "Officer needs help," whereas in the APCO system "Officer needs help" is Code 10-33.
81:
APCO first proposed Morse code brevity codes in the June 1935 issue of The APCO Bulletin, which were adapted from the procedure symbols of the U.S. Navy, though these procedures were for communications in Morse code, not voice.
4237:
Indicates a unit is mechanically out of service. Example: "Aburn, transport 2341, out-of-service." Note, when repairs have been completed the following phrase should be used: "Aburn transport 2341, back in-service, available."
137:
The Ten
Signals were included in APCO Project Two (1967), "Public Safety Standard Operating Procedures Manual", published as study cards in APCO Project 4 (1973), "Ten Signal Cards", and then revised in APCO Project 14 (1974).
3829:
Personnel will NOT proceed with Code 5 details until the receiving unit requests some. The unit receiving a Code 5 will request the details when he is in a safe position to do so, which might not be until his backup arrives.
4139:
published a document, ICS Clear Text Guide, which was another attempt to create a replacement for Ten-codes. The list of code words was republished in the 1990 Montana Mutual Aid and Common
Frequencies document.
66:
96:
transmitted in the text of the message as follows: John Brown 28-5-9-165 medium build brown eyes dark hair dark suit light hat Mich. 35 lic. W 2605 Ford S 35 blue red wheels 2345678 may go to
Indiana).
110:
began in 1937 to reduce use of speech on the radio at a time when police radio channels were limited. Credit for inventing the codes goes to
Charles "Charlie" Hopper, communications director for the
3788:
Informs all units to STANDBY – STOP TRANSMITTING. Do not transmit, except for emergency messages, while Code 1 is in effect. Dispatch shall announce, "Clear Code 1," when the condition is secured.
122:
bands. Experienced radio operators knew the first syllable of a transmission was frequently not understood because of quirks in early electronics technology. Radios in the 1930s were based on
5281:
3266:, 1970 edition, published by APCO. According to the report, the Clear Speech Procedure was to replace ten-codes in all Public Safety Department radio communication since January 28, 1972.
5508:
3808:
Indicates an EMERGENCY call. Red lights and siren are authorized. Proceed as quickly as possible with due regard for safety, and in compliance with the laws governing emergency vehicles.
5188:
4359:
Term used to gain control of radio frequency to report an emergency. All other radio users will refrain from using that frequency until cleared for use by the communications center.
4727:
5116:
4639:
3262:, published a study comparing the APCO Ten-code with the proposed Clear Speech procedure. The study used standards for judgment of both communications procedures based on
4940:
3824:
Used when Wanted/Records checks are requested by an agent to alert the agent of a wanted felon, a person known to be dangerous or a person known to be mentally unstable.
4213:
Normally used by administrative or staff personnel to designate destinations. Enroute is NOT a substitute for responding. Example: "Redding, Chief 2400 enroute RO II."
5498:
4457:
availability statuses as well as operational messages. For example, "K1" means "proceeding to incident", while "K99" means "Structure fire, well involved". The
85:
In August 1935, the APCO Bulletin published a recommendation that the organization issue a handbook that described standard operating procedures, including:
31:
4918:
4703:
250:
Often when an officer retires, a call to dispatch is made. The officer gives a 10-7 code (Out of service) and then a 10-42 code (ending tour of duty).
4611:
4512:
5273:
146:
Ten-codes, especially "10-4" (meaning "understood") first reached public recognition in the mid- to late-1950s through the popular television series
5159:
4779:
4246:
This means that the unit is operating, not in response to a dispatch. Example: "Fortuna, Engine 1283, in-service, fire prevention inspections."
3796:
Indicates an "urgent" call short of an "emergency" situation. A Code 2 call has priority over all other police activities except "emergencies".
3242:
also advises local agencies on how and why to transition to plain language, and their use is expressly forbidden in the nationally standardized
5044:
4527:
73:, but in 2006, due to the lack of standardization, the U.S. federal government recommended they be discontinued in favor of everyday language.
4205:
Used during dispatch – proceed to or proceeding to an incident. Example: "Engine 5176, respond ..." or "St. Helena, Engine 1375 responding."
102:
Other important records in accordance with the uniform crime reporting system sponsored by the
International Association of Chiefs of Police.
4461:
also use some K-codes, with completely unrelated meanings to those used by NZFS; Police code "K1" means "no further police action required".
5199:
4324:
Used with the amount of equipment needed to handle the incident. Example: "Susanville
Battalion 2212, can handle with units not at scene."
5061:
5013:
4962:
4758:
5462:
4996:
4979:
4724:
4438:
4136:
3231:
5256:
4574:
4486:
operation, a Q code is often shorter, and provides codes standardized by meaning in all languages – essential for international
69:(APCO), allow brevity and standardization of message traffic. They have historically been widely used by law enforcement officers in
5404:
5384:
4805:
5468:
5099:
4846:
4664:
5488:
5232:
4632:
4532:
4517:
4160:
Used when signal received is not clear. In most cases, try to add the specific trouble. Example: "Unreadable, background noise."
5175:
3816:
Used to indicate that sufficient units have responded to a location, or that assistance is not needed, or is no longer needed.
3235:
148:
4482:. They provide specific abbreviations for concepts related to aviation, shipping, RTTY, radiotelegraph, and amateur radio. In
5418:
4829:
4399:
5366:
5324:
179:, put phrases like "10-4" and "what's your twenty?" (10-20 for "where are you?") into common use in American English.
198:
4903:
3226:
In the fall of 2005, responding to inter-organizational communication problems during the rescue operations after
4389:
235:
4413:, which used them habitually in radio communications and in the main title of the show. The best-known include:
4864:
4542:
4450:
4181:
Used to acknowledge message received. Unit radio identifier must also be used. Example: "Engine 2675, copies."
239:
188:(1978), loosely based on McCall's song, further entrenched ten-codes in casual conversation, as does the movie
3270:
Replacement of ten-codes with the Clear Speech
Procedure (Public Safety Department, Lakewood, Colorado, 1972)
5031:"A NATIONAL TRAINING MANUAL AND PROCEDURAL GUIDE FOR POLICE AND PUBLIC SAFETY RADIO COMMUNICATIONS PERSONNEL"
4699:
5347:
4607:
4471:
3243:
203:
4744:
118:. Hopper had been involved in radio for years and realized there was a need to abbreviate transmissions on
55:
used to represent common phrases in voice communication, particularly by US public safety officials and in
38:
5483:
4537:
4267:
Normally used by communications center to direct units that are available to a station or other location.
5156:
4775:
4316:
Used by administrative or staff personnel to indicate they are available and on-call at their residence.
5253:
4941:"Son surprises father by acknowledging his last radio call before retiring from Arkansas Highway Police"
4395:
190:
111:
4919:"Cop son gives father -- a fellow officer -- a heartfelt sendoff on last radio call before retirement"
4221:
Used to indicate that a unit is in a station. Example: "Morgan Hill, Engine 4577 in-quarters, Sunol."
4725:
http://28011b0082f55a9e1ec0-aecfa82ae628504f4b1d229bd9030ae1.r13.cf1.rackcdn.com/1940-01-p008-200.pdf
3239:
3234:(FEMA) discouraged the use of ten-codes and other codes due to their wide variation in meaning. The
5503:
4441:": Mentally disturbed person (actually a reference to the California Welfare and Institutions Code)
224:) takes its name from the New Zealand Police ten-code 10-7, which means "Unit has arrived at job".
164:
56:
5493:
4681:
4458:
3259:
211:
184:
153:
3867:
About 1979, APCO created the Phrase Word Brevity Code as a direct replacement for the Ten-code.
5068:
5133:
5110:
4554:
4308:
Used when Units arrive at the scene of an incident. Example: "Perris, Engine 6183, at scene."
3227:
115:
5400:
3238:'s SAFECOM program, established in response to communication problems experienced during the
4522:
5388:
5370:
5351:
5260:
5163:
4833:
4731:
4384:
Brevity codes other than the APCO 10-code are frequently used, and include several types:
5381:
4801:
5030:
4850:
5306:
5228:
4547:
4483:
4454:
4077:
When transmitted, means that the following transmission must have immediate attention.
228:
216:
5477:
4475:
238:
uses the radio code '10-1', which means an officer needs urgent help right away. The
172:
70:
59:(CB) radio transmissions. The police version of ten-codes is officially known as the
2917:
What phone number shall we call to make station to station call to officer Nr. ...?
201:
have returned to public attention thanks to the popularity of the television series
4889:
4479:
2833:
Advise telephone Nr. ... your city that officer Nr. ... will not return this date.
1505:
168:
119:
52:
4229:
Indicates a unit is not in-service, because there are no personnel to operate it.
3923:
Unit, vehicle or person is working but not necessarily "available" or "on radio."
1662:
Stopping suspicious vehicle (Give station complete description before stopping).
5425:
4419:
4403:
4379:
3755:
HELP – To be used when in danger and urgent assistance is needed.
123:
4826:
3764:
Clear Speech status codes (Public Safety Department, Lakewood, Colorado, 1972)
92:
A simple code for service dispatches relating to corrections, repetitions, etc.
5363:
4033:
Unit is capable of being contacted by radio, but not necessarily "available."
157:
5320:
4847:"Official Ten-Code List Association of Public Communications Officers (APCO)"
4575:"APCO Brevity Code to be "Voluntary Standard" In Florida Communications Plan"
231:
countdown program "What's your Twenty" is named after the code for location.
4487:
127:
5469:
Official Ten-Code List Association of Public Communications Officers (APCO)
3840:
Exchange Forms will be completed at the scene to include the C. R. number.
2854:
Officer ... left this station for ... (Jefferson City) (Des Moines) at ...
4392:
uses ten-codes, along with an additional set of eleven- and higher codes.
4022:
Unit is not capable of being contacted by radio, but may be "available."
3934:
Unit is in service ready to accept assignment, not necessarily by radio.
1180:
Trouble at station—unwelcome visitors—all units vicinity report at once.
5254:
APCO position statement on Plain Speech in Public Safety Communications
5067:. Associated Public-Safety Communications Officers, Inc. Archived from
4409:
176:
17:
4055:
Situation is under control when no further assistance is anticipated.
4493:
4467:
4088:
Unit is chasing a vehicle and requires assistance from other units.
3264:
The Public Safety Communications Standard Operating Procedure Manual
37:"10-20" redirects here. For the EEG electrode placement system, see
4500:
countries, and like Q codes are standardized across languages.
67:
Association of Public-Safety Communications Officials-International
99:
A standard record system for logging the operation of the station.
65:
The codes, developed during 1937–1940 and expanded in 1974 by the
5344:
1749:
Tune to ... kcs. for test with mobile unit or emergency service.
4745:"Codes And Signals - More Discussion On The Radio Code Problems"
4497:
2708:
The 80 series is reserved for assignment by nets for local use.
4865:"New York City (NY) Law Enforcement - the RadioReference Wiki"
3945:
Unit cannot accept another assignment, but may be "on radio."
2896:
Officer Nr. ... will be in ... if officer Nr. ... will be in.
2504:
Advise nature of fire (size, type, and contents of building)
5274:"Maine police dropping 10-code, switching to plain language"
3752:
AFFIRMATIVE – To be used when "yes" is needed
3031:
Your quality poor—transmitter apparently out of adjustment.
4446:
The New York Fire Department uses its own ten-code system.
3826:
A backup unit shall be dispatched Code 2 on all Code 5's.
3250:
increasingly being phased out in favor of plain language.
89:
A standard message form for use by all police departments.
30:"10-1" redirects here. For the FIFA World Cup match, see
3967:
You have been given clearance to transmit your message.
175:" (1975), depicting conversation among CB-communicating
5449:
letters is fewer characters and shorter code sequences.
3667:
Notify coroner (to be done by phone whenever possible)
2700:
Notify coroner (to be done by phone whenever possible)
638:
Out of service (Give location and/or telephone number)
160:
to answer a call and precede his response with "10-4".
5465:– The first official publication showing the 10-codes.
156:. Crawford would reach into his patrol car to use the
4000:
Stop transmitting and wait for further instructions.
3749:
ROGER – To be used as acknowledgement.
2941:
Request radio service man be sent to this station...
2809:
Have officer Nr. ... call this station by telephone.
3890:
Caution: dangerous condition is suspected to exist.
2785:
Reserve room with bath at hotel for officer Nr. ...
1237:
Can you obtain automobile registration information?
1024:
Complete present assignment as quickly as possible.
3106:Test intermittently with normal modulation for ...
27:
Brevity codes used by a variety of US professionals
5229:"NIMS Frequently Asked Questions | FEMA.gov"
5198:. Department of Homeland Security. Archived from
4943:. Tribune Media Wire. Fox 13 Now. 7 February 2019
4608:"Plain Talk Eases Police Radio Codes Off The Air"
2033:Auto accident, personal injuries, ambulance sent
5509:Telecommunications-related introductions in 1937
5307:"1990 Montana Mutual Aid and Common Frequencies"
5115:: CS1 maint: bot: original URL status unknown (
5045:"Public Safety Communication Aural Brevity Code"
2920:Advise phone number for station to station call
3133:Test continuously with tone modulation for ...
2977:Radio service man will be at your station ....
1827:Request permission to leave patrol ... for ...
4066:Call by telephone specified number or person.
2498:Proceed with traffic in sequence (busy here).
1722:Advise if Officer...available for radio call.
288:1955 (National Operating Procedure Committee)
4407:Code references as a result of the TV series
3956:Dispatcher is about to give lengthy message.
3004:Prepare for inspection (date) ... (time) ...
2875:Officer ... left this station for ... at ...
2737:... tower lights at this station burned out.
8:
5100:"Ten Code Versus Clear Speech Communication"
2764:Officer Nr. ... will be at your station ...
348:Insubordination/Rogue Officer
126:powered by a small motor-generator called a
5105:. Archived from the original on 2006-03-13.
4496:are used for military radio communications
1358:Does not conform to rules and regulations.
32:Hungary v El Salvador (1982 FIFA World Cup)
5178:. Megan Scott, asap (AP), 23 November 2005
4997:"Page Twelve The APCO Bulletin April 1940"
4917:Suarez Sang, Lucia I. (8 February 2019).
4513:Advanced Medical Priority Dispatch System
4218:In-quarters, with Station Name or Number
3258:In 1971, the Public Safety Department of
1659:Hurry, but do not use red light or siren
1536:Emergency traffic at this station—clear?
1132:Take no further action last information.
5166:. Tim Dees, Officer.com, 9 November 2005
4142:
3869:
3762:
3268:
3082:Test—no modulation—for frequency check.
257:
4606:Heard on Morning Edition (2009-10-13).
4601:
4599:
4566:
4044:Unit is en route to assigned location.
3912:Unit, vehicle or person is not working
3848:Indicates "out of service – personal."
2923:Advise present telephone number of ...
5272:Mack, Sharon Kiley (January 1, 2010).
5108:
4528:List of international common standards
2393:Stations...carry this item (message).
1565:Trouble at station, assistance needed
1296:Request full registration information
305:(plain language to replace Ten Codes)
282:1939 First Published Set (17 signals)
5301:
5299:
5284:from the original on January 18, 2012
5222:Federal Emergency Management Agency.
5128:
5126:
5094:
5092:
5090:
5088:
3901:Radio signal is too weak to receive.
3055:Frequencies to be checked this date.
2345:Clear for item (message) assignment?
1293:Check full registration information.
1268:Request driver's license information
7:
5499:Law enforcement in the United States
4300:Is ____ Available for a Phone Call?
3799:– turn off the emergency equipment.
2243:Stand by for CW traffic on ... kcs.
2216:What is next item (message) number?
1965:Auto accident, property damage only
834:Advise weather and road conditions.
4759:"Proposed Revision Of "10" Signals"
4453:uses a system of "K-codes" to pass
4137:National Incident Management System
3232:Federal Emergency Management Agency
1387:Emergency basis, all squads, 10-11
1279:Drivers license information on ...
1276:License/Permit Information
848:Weather report/road report
309:Phrase Word Brevity Code (c. 1979)
242:TV show also uses '10-1' as well.
61:APCO Project 14 Aural Brevity Code.
4706:from the original on 16 March 2016
4645:from the original on 16 March 2016
4464:Telegraph and teletype procedures
4099:Unit is going to stop a motorist.
3572:East bound green light out (etc.)
3476:Drivers License information on...
3202:Records indicate wanted or stolen
2219:What is your next message number?
1939:East bound green light out (etc.)
1848:Animal carcass in ... lane at ...
1681:Your Nr...delivered to addressee.
163:Ten-codes were adapted for use by
25:
5424:. CB Radio Source. Archived from
5354:The Unofficial Home Page of FDNY.
5033:. U.S.GOVT.PRINTING OFFICE. 1968.
4980:"The APCO Bulletin, January 1940"
4808:from the original on 18 June 2015
4782:from the original on 18 June 2015
4402:as early as the 1940s, and these
3978:Message received and understood.
3300:Unable to copy – change location
2471:Net message (State net traffic).
1299:Vehicle registration information
754:On minor detail, subject to call
491:Unable to copy - change location
483:Unable to copy - change location
5407:from the original on 2013-02-07.
4533:Medical Priority Dispatch System
4518:Emergency service response codes
4011:Cancel your present assignment.
3651:ETA (Estimated time of arrival)
3246:, as is the use of other codes.
2980:Transmit on alternate frequency
2652:ETA (Estimated time of arrival)
2645:ETA (Estimated Time of Arrival)
1307:Registration information on ...
1155:Stand by until no interference.
1106:Call this station by telephone.
751:Out of service—subject to call.
285:1940 (APCO Standards Committee)
5463:The APCO Bulletin, January 1940
5327:from the original on 2015-11-26
5235:from the original on 2014-12-23
5226:. Retrieved on 2014-12-01 from
5224:NIMS Frequently Asked Questions
4633:"The APCO Bulletin (June 1935)"
4614:from the original on 2009-10-17
3484:Registration information on...
3236:Department of Homeland Security
3218:Replacement with plain language
1911:Traffic standard needs repairs
1728:Silent run - No light or siren
1640:Investigate suspicious vehicle
1539:Emergency traffic this station
1215:Report in person to (meet) ...
805:Officials or visitors present.
4698:James Careless (August 2006).
1890:Emergency road repairs needed
1183:Finished with last assignment
808:Visitors or officials present
1:
5323:. California Highway Patrol.
4904:"Illinois Police Radio Codes"
4400:Los Angeles Police Department
4063:Telephone (Tel. # or person)
2348:Clear for message assignment
2297:Prepare to make written copy
2267:Unable to copy phone—use CW.
1947:Accident and Vehicle Handling
1656:Station report—satisfactory.
1212:Operator or officer on duty?
1209:Do you have contact with...?
891:We have prisoner in custody.
613:Busy -Stand by unless urgent
345:Officer not following orders
315:Procedure and Officer Details
4776:"The Origin of The Ten Code"
4398:sections were in use by the
3468:Detaining subject, expedite
2899:Meet the officer at ______.
2009:Auto accident, wrecker sent
1271:Drivers license information
1251:Detaining subject, expedite
1243:Detaining subject, expedite
1240:Holding subject, rush reply
1030:Complete assignment quickly
873:Message/Information
837:Weather and road conditions
4431:"417": Person with a weapon
4295:Vehicle Registration Check
4110:Help me quick (emergency).
3372:Weather report/road report
2324:Message for local delivery
1687:Urgent-Use light and siren
1519:... Units Needed (Specify)
1511:Chase, all squads stand by
1384:Is lie detector available?
534:Disregard last information
5525:
5403:. Radio Wiki. 2012-06-07.
5134:"Phrase Word Brevity Code"
5062:"OFFICIAL TEN SIGNAL LIST"
4417:
4377:
3856:Assist a fire department.
3601:Private property, location
2836:If meeting ... advise ETA
2399:Clear to read net message
1993:Private property, location
1961:
1587:Confidential information.
1562:Clear for local dispatch?
1327:Check records for wanted.
1265:Any answer our number...?
573:Roger/Affirmative
199:New York Police Department
197:The ten-codes used by the
36:
29:
4836:Dispatch Magazine online.
4434:"502": Intoxicated Driver
4390:California Highway Patrol
4331:
4274:
4253:
4167:
3871:Phrase Word Brevity Code
3156:
3108:
3067:
3010:Unnecessary use of radio
3006:
2960:
2811:
2770:
2742:
2739:
2706:
2524:
2510:
2454:
2419:
2330:
2228:
2199:
2186:Is ambulance on the way?
2150:
2018:
1945:
1896:
1823:
1772:
1734:
1698:
1597:
1521:
1422:
1417:
1414:
1411:
1357:
1341:
1157:
1142:
1108:
1034:
974:
969:
966:
963:
940:
926:
915:
890:
779:Dispatching too rapidly.
764:
738:
733:
707:
668:
634:
584:
541:
505:
479:
313:
267:
246:Police officer retirement
236:Chicago Police Department
5157:The End of the Ten-Code?
5014:"Standard "Ten Signals""
4543:Radiotelephony procedure
4451:New Zealand Fire Service
3863:Phrase Word Brevity Code
2690:Report progress on fire
2531:Report progress on fire
2441:Have you dispatched...?
2369:Clear for cancellation?
1684:Use red light and siren
1335:Check for wanted on ...
1324:Check record for wanted
1223:Meet ... or contact ...
1135:Report in person to ...
1050:Return to your station.
916:Pick up prisoner at ...
840:Weather and road report
731:Repeat, conditions bad.
240:Chicago P.D. (TV series)
5489:Emergency communication
4869:wiki.radioreference.com
4665:"Special APCO Bulletin"
4472:prosigns for Morse code
4347:Emergency Traffic Only
4313:Available at Residence
4285:Disregard Last Message
4272:What is your Location?
3492:Check for wanted on...
3244:Incident Command System
2372:Clear for cancellation
2351:Net message assignment
2270:Any answer our Nr. ...
2165:Is wrecker on the way?
2120:Intoxicated pedestrian
1755:Beginning tour of duty
1366:Danger/Caution
1248:Estimated Arrival Time
1078:What is your location?
556:Acknowledgement.
297:APCO Project 14 (1974)
106:The development of the
5189:"Plain Language Guide"
4700:"The End of 10-Codes?"
4538:NATO phonetic alphabet
4364:Resume Normal Traffic
3691:Alarm (type of alarm)
3254:Clear Speech Procedure
3209:Wanted/stolen
2990:Alarm (type of alarm)
2618:Fire equipment needed
2396:Clear for net message
2144:Hit and run—F, PI, PD
1590:Major crime, blockade
1304:Ownership Information
941:Pick up papers at ...
562:Acknowledgement
294:APCO Project 4 (1973)
291:APCO Project 2 (1967)
47:, officially known as
4682:"APCO Project Series"
4490:radio communications.
4418:Further information:
4396:California Penal Code
4337:Report on Conditions
4144:ICS Clear Text Guide
3989:Repeat your message.
3723:Check traffic signal
3460:Meet...or contact...
3181:Prison or jail break
3167:Check traffic signal
2423:Dispatch information
2375:Message cancellation
2078:Livestock on highway
2054:Auto accident, fatal
1800:Take school crossing
1361:Illegal use of radio
1220:Report to (Meet) ...
1191:Assignment Completed
1186:Assignment completed
191:Smokey and the Bandit
112:Illinois State Police
5345:F.D.N.Y. Radio Codes
4890:"What's Your Twenty"
4202:Respond, Responding
3715:Prisoner in custody
3240:September 11 attacks
3230:, the United States
3119:Prisoner in custody
2666:Set up command post
2201:Net Message Handling
1779:Ending tour of duty
1667:Traffic stop on ...
1343:Emergency or Unusual
1114:Call (...) by Phone
845:Existing Conditions
4342:Fire under Control
4329:Burning Operations
4280:Call ____ by Phone
4145:
4008:Disregard (Recall)
3986:Say Again (Repeat)
3872:
3765:
3659:Request assistance
3540:Traffic stop on...
3271:
2944:Radio transmission
2788:Reserve hotel room
2676:Request Assistance
2249:Personnel in area.
2099:Intoxicated driver
1968:Accident—F, PI, PD
1929:Hourly report mark
1776:Crew change at ...
531:Stop transmitting.
5387:2016-04-19 at the
5369:2016-05-10 at the
5350:2010-09-15 at the
5259:2012-05-09 at the
5162:2009-07-22 at the
4832:2015-03-20 at the
4730:2017-08-10 at the
4459:New Zealand Police
4428:"415": Disturbance
4356:Emergency Traffic
4173:Stop Transmitting
4143:
3870:
3763:
3731:Prison/jail break
3707:Parking complaint
3595:No injury reported
3586:PD=Property Damage
3308:Stop transmitting
3269:
3260:Lakewood, Colorado
3188:Prison/jail break
3041:Parking complaint
2474:Fire, phone alarm
2222:Squad in vicinity
1987:No injury reported
1932:Traffic light out
1752:Car change at ...
1634:Operator on duty?
1593:Major crime alert
1390:Crime in progress
1321:Check for wanted.
1109:Call ... by phone
899:Message Delivered
894:Civil disturbance
868:Report of prowler
862:Convoy or escort.
757:Fight in progress
542:Stop Transmitting
537:Stop transmitting
480:Receiving poorly.
212:reality television
154:Broderick Crawford
142:In popular culture
39:10–20 system (EEG)
5382:"Fire radio codes
5278:Bangor Daily News
4555:Spelling alphabet
4371:
4370:
4367:Self-explanatory
4332:Self-explanatory
4275:Self-explanatory
4254:Self-explanatory
4168:Self-explanatory
4128:
4127:
3975:Roger (Received)
3860:
3859:
3761:
3760:
3699:Pick up prisoner
3611:Drunk pedestrian
3283:(Procedure Word)
3228:Hurricane Katrina
3215:
3214:
3017:Pick up prisoner
2444:Message received
2417:Repeat dispatch.
2273:Reply to message
2189:Convoy or escort
2127:Drunk pedestrian
2036:Ambulance needed
1163:Arrived at Scene
1158:Arrived at scene
1027:Anything for us?
944:Meet complainant
924:Reply to Message
919:Domestic trouble
865:Convoy or escort
567:Affirmative (Ok)
559:Message received
116:Pesotum, Illinois
114:, District 10 in
16:(Redirected from
5516:
5450:
5446:
5440:
5439:
5437:
5436:
5430:
5423:
5415:
5409:
5408:
5397:
5391:
5379:
5373:
5361:
5355:
5342:
5336:
5335:
5333:
5332:
5317:
5311:
5310:
5303:
5294:
5293:
5291:
5289:
5269:
5263:
5251:
5245:
5243:
5241:
5240:
5220:
5214:
5213:
5211:
5210:
5204:
5193:
5185:
5179:
5173:
5167:
5154:
5148:
5147:
5145:
5144:
5138:
5130:
5121:
5120:
5114:
5106:
5104:
5096:
5083:
5082:
5080:
5079:
5073:
5066:
5058:
5052:
5051:
5049:
5041:
5035:
5034:
5027:
5021:
5020:
5018:
5010:
5004:
5003:
5001:
4993:
4987:
4986:
4984:
4976:
4970:
4969:
4967:
4963:"Happy Birthday"
4959:
4953:
4952:
4950:
4948:
4937:
4931:
4930:
4928:
4926:
4914:
4908:
4907:
4900:
4894:
4893:
4886:
4880:
4879:
4877:
4875:
4861:
4855:
4854:
4849:. Archived from
4843:
4837:
4827:9-Code, 10-Code.
4824:
4818:
4817:
4815:
4813:
4798:
4792:
4791:
4789:
4787:
4772:
4766:
4765:
4763:
4755:
4749:
4748:
4741:
4735:
4722:
4716:
4715:
4713:
4711:
4695:
4689:
4688:
4686:
4678:
4672:
4671:
4669:
4661:
4655:
4654:
4652:
4650:
4644:
4637:
4629:
4623:
4622:
4620:
4619:
4603:
4594:
4593:
4591:
4589:
4579:
4571:
4523:List of CB slang
4478:, aviation, and
4416:"187": Homicide
4146:
3953:Prepare to Copy
3879:English Meaning
3873:
3766:
3619:Prepare to copy
3564:Assist motorist
3272:
3058:Frequency check
2791:Reserve lodging
2669:Need assistance
2597:In contact with
2304:Prepare to copy
1975:Traffic (F, PD)
1876:Assist motorist
1869:Assist motorist
1834:Request for ...
1053:Nothing for you
879:Prepare to Copy
816:Stand By (Stop)
811:Stand by (stop)
782:Stay in service
635:Out of service.
506:Receiving well.
342:Corrupt Officer
258:
210:The New Zealand
108:APCO Ten Signals
21:
5524:
5523:
5519:
5518:
5517:
5515:
5514:
5513:
5474:
5473:
5459:
5454:
5453:
5447:
5443:
5434:
5432:
5428:
5421:
5417:
5416:
5412:
5401:"Police K code"
5399:
5398:
5394:
5389:Wayback Machine
5380:
5376:
5371:Wayback Machine
5362:
5358:
5352:Wayback Machine
5343:
5339:
5330:
5328:
5319:
5318:
5314:
5305:
5304:
5297:
5287:
5285:
5271:
5270:
5266:
5261:Wayback Machine
5252:
5248:
5238:
5236:
5227:
5221:
5217:
5208:
5206:
5202:
5196:SAFECOM program
5191:
5187:
5186:
5182:
5174:
5170:
5164:Wayback Machine
5155:
5151:
5142:
5140:
5136:
5132:
5131:
5124:
5107:
5102:
5098:
5097:
5086:
5077:
5075:
5071:
5064:
5060:
5059:
5055:
5047:
5043:
5042:
5038:
5029:
5028:
5024:
5016:
5012:
5011:
5007:
4999:
4995:
4994:
4990:
4982:
4978:
4977:
4973:
4965:
4961:
4960:
4956:
4946:
4944:
4939:
4938:
4934:
4924:
4922:
4916:
4915:
4911:
4902:
4901:
4897:
4888:
4887:
4883:
4873:
4871:
4863:
4862:
4858:
4845:
4844:
4840:
4834:Wayback Machine
4825:
4821:
4811:
4809:
4802:"APCO Projects"
4800:
4799:
4795:
4785:
4783:
4774:
4773:
4769:
4761:
4757:
4756:
4752:
4743:
4742:
4738:
4732:Wayback Machine
4723:
4719:
4709:
4707:
4697:
4696:
4692:
4684:
4680:
4679:
4675:
4667:
4663:
4662:
4658:
4648:
4646:
4642:
4635:
4631:
4630:
4626:
4617:
4615:
4605:
4604:
4597:
4587:
4585:
4577:
4573:
4572:
4568:
4563:
4509:
4422:
4382:
4376:
4234:Out-Of-Service
4165:Loud and Clear
4149:Procedure Word
4133:
3909:Out of Service
3865:
3556:Request for...
3256:
3220:
3136:Mental subject
3085:Give me a test
2713:Personal Favors
2693:Notify coroner
2168:Direct traffic
2096:Drunken driver
2012:Wrecker needed
649:Out of Service
643:Out of Service
610:Busy, stand by
256:
248:
227:The syndicated
144:
79:
42:
35:
28:
23:
22:
15:
12:
11:
5:
5522:
5520:
5512:
5511:
5506:
5501:
5496:
5491:
5486:
5476:
5475:
5472:
5471:
5466:
5458:
5457:External links
5455:
5452:
5451:
5441:
5410:
5392:
5374:
5356:
5337:
5321:"CHP Glossary"
5312:
5295:
5264:
5246:
5215:
5180:
5168:
5149:
5122:
5084:
5053:
5036:
5022:
5005:
4988:
4971:
4954:
4932:
4909:
4895:
4881:
4856:
4853:on 2007-10-13.
4838:
4819:
4793:
4767:
4750:
4736:
4717:
4690:
4673:
4670:. August 1935.
4656:
4624:
4595:
4584:. October 1975
4565:
4564:
4562:
4559:
4558:
4557:
4552:
4551:
4550:
4548:Procedure word
4540:
4535:
4530:
4525:
4520:
4515:
4508:
4505:
4504:
4503:
4502:
4501:
4491:
4484:radiotelegraph
4462:
4455:fire appliance
4447:
4444:
4443:
4442:
4435:
4432:
4429:
4426:
4425:"211": Robbery
4423:
4393:
4378:Main article:
4375:
4372:
4369:
4368:
4365:
4361:
4360:
4357:
4353:
4352:
4348:
4344:
4343:
4339:
4338:
4334:
4333:
4330:
4326:
4325:
4322:
4318:
4317:
4314:
4310:
4309:
4306:
4302:
4301:
4297:
4296:
4292:
4291:
4287:
4286:
4282:
4281:
4277:
4276:
4273:
4269:
4268:
4265:
4261:
4260:
4256:
4255:
4252:
4248:
4247:
4244:
4240:
4239:
4235:
4231:
4230:
4227:
4223:
4222:
4219:
4215:
4214:
4211:
4207:
4206:
4203:
4199:
4198:
4195:
4191:
4190:
4187:
4183:
4182:
4179:
4175:
4174:
4170:
4169:
4166:
4162:
4161:
4158:
4154:
4153:
4150:
4132:
4131:ICS Clear Text
4129:
4126:
4125:
4122:
4119:
4115:
4114:
4111:
4108:
4104:
4103:
4100:
4097:
4093:
4092:
4089:
4086:
4082:
4081:
4078:
4075:
4071:
4070:
4067:
4064:
4060:
4059:
4056:
4053:
4052:Under Control
4049:
4048:
4045:
4042:
4038:
4037:
4034:
4031:
4027:
4026:
4023:
4020:
4016:
4015:
4012:
4009:
4005:
4004:
4001:
3998:
3994:
3993:
3990:
3987:
3983:
3982:
3979:
3976:
3972:
3971:
3968:
3965:
3961:
3960:
3957:
3954:
3950:
3949:
3946:
3943:
3942:Not Available
3939:
3938:
3935:
3932:
3928:
3927:
3924:
3921:
3917:
3916:
3913:
3910:
3906:
3905:
3902:
3899:
3895:
3894:
3891:
3888:
3884:
3883:
3882:APCO TEN CODE
3880:
3877:
3864:
3861:
3858:
3857:
3854:
3850:
3849:
3846:
3842:
3841:
3837:
3833:
3832:
3822:
3818:
3817:
3814:
3810:
3809:
3806:
3802:
3801:
3794:
3790:
3789:
3786:
3782:
3781:
3780:Echo response
3778:
3774:
3773:
3770:
3759:
3758:
3757:
3756:
3753:
3750:
3745:
3741:
3740:
3739:Wanted/stolen
3737:
3733:
3732:
3729:
3725:
3724:
3721:
3717:
3716:
3713:
3709:
3708:
3705:
3701:
3700:
3697:
3693:
3692:
3689:
3685:
3684:
3681:
3677:
3676:
3673:
3669:
3668:
3665:
3661:
3660:
3657:
3653:
3652:
3649:
3645:
3644:
3641:
3637:
3636:
3633:
3629:
3628:
3625:
3621:
3620:
3617:
3613:
3612:
3609:
3605:
3604:
3603:
3602:
3599:
3596:
3593:
3590:
3587:
3584:
3578:
3574:
3573:
3570:
3566:
3565:
3562:
3558:
3557:
3554:
3550:
3549:
3546:
3542:
3541:
3538:
3534:
3533:
3530:
3526:
3525:
3522:
3518:
3517:
3514:
3510:
3509:
3506:
3502:
3501:
3498:
3494:
3493:
3490:
3486:
3485:
3482:
3478:
3477:
3474:
3470:
3469:
3466:
3462:
3461:
3458:
3454:
3453:
3450:
3446:
3445:
3442:
3438:
3437:
3434:
3430:
3429:
3426:
3422:
3421:
3418:
3414:
3413:
3410:
3406:
3405:
3402:
3398:
3397:
3394:
3390:
3389:
3386:
3382:
3381:
3378:
3374:
3373:
3370:
3366:
3365:
3362:
3358:
3357:
3354:
3350:
3349:
3346:
3342:
3341:
3338:
3334:
3333:
3330:
3326:
3325:
3322:
3318:
3317:
3314:
3310:
3309:
3306:
3302:
3301:
3298:
3294:
3293:
3290:
3286:
3285:
3279:
3255:
3252:
3219:
3216:
3213:
3212:
3210:
3207:
3205:
3203:
3200:
3198:
3196:
3192:
3191:
3189:
3186:
3184:
3182:
3179:
3177:
3175:
3171:
3170:
3168:
3165:
3163:
3161:
3158:
3155:
3153:
3151:
3147:
3146:
3144:
3141:
3139:
3137:
3134:
3131:
3129:
3127:
3123:
3122:
3120:
3117:
3115:
3113:
3110:
3107:
3104:
3102:
3100:
3096:
3095:
3093:
3091:
3089:
3086:
3083:
3080:
3078:
3076:
3072:
3071:
3069:
3066:
3064:
3062:
3059:
3056:
3053:
3051:
3049:
3045:
3044:
3042:
3039:
3037:
3035:
3032:
3029:
3027:
3025:
3021:
3020:
3018:
3015:
3013:
3011:
3008:
3005:
3002:
3000:
2998:
2994:
2993:
2991:
2988:
2986:
2984:
2981:
2978:
2975:
2973:
2971:
2967:
2966:
2964:
2958:
2957:
2955:
2952:
2950:
2948:
2945:
2942:
2939:
2937:
2935:
2931:
2930:
2928:
2926:
2924:
2921:
2918:
2915:
2913:
2911:
2907:
2906:
2904:
2902:
2900:
2897:
2894:
2892:
2890:
2886:
2885:
2883:
2881:
2879:
2876:
2873:
2871:
2869:
2865:
2864:
2862:
2860:
2858:
2855:
2852:
2850:
2848:
2844:
2843:
2841:
2839:
2837:
2834:
2831:
2829:
2827:
2823:
2822:
2820:
2818:
2816:
2813:
2810:
2807:
2805:
2803:
2799:
2798:
2796:
2794:
2792:
2789:
2786:
2783:
2781:
2779:
2775:
2774:
2772:
2769:
2767:
2765:
2762:
2760:
2758:
2754:
2753:
2751:
2748:
2746:
2744:
2741:
2738:
2735:
2733:
2731:
2727:
2726:
2724:
2722:
2720:
2718:
2715:
2710:
2704:
2703:
2701:
2698:
2696:
2694:
2691:
2688:
2686:
2684:
2680:
2679:
2677:
2674:
2672:
2670:
2667:
2664:
2662:
2660:
2656:
2655:
2653:
2650:
2648:
2646:
2643:
2640:
2638:
2636:
2632:
2631:
2629:
2626:
2624:
2622:
2619:
2616:
2614:
2612:
2608:
2607:
2605:
2602:
2600:
2598:
2595:
2592:
2590:
2588:
2584:
2583:
2581:
2578:
2576:
2574:
2571:
2568:
2566:
2564:
2560:
2559:
2557:
2555:
2553:
2550:
2547:
2545:
2543:
2539:
2538:
2536:
2534:
2532:
2529:
2526:
2523:
2521:
2519:
2515:
2514:
2512:
2509:
2507:
2505:
2502:
2499:
2496:
2494:
2492:
2488:
2487:
2485:
2482:
2480:
2478:
2475:
2472:
2469:
2467:
2465:
2461:
2460:
2458:
2452:
2451:
2449:
2447:
2445:
2442:
2439:
2437:
2435:
2431:
2430:
2428:
2426:
2424:
2421:
2418:
2415:
2413:
2411:
2407:
2406:
2404:
2402:
2400:
2397:
2394:
2391:
2389:
2387:
2383:
2382:
2380:
2378:
2376:
2373:
2370:
2367:
2365:
2363:
2359:
2358:
2356:
2354:
2352:
2349:
2346:
2343:
2341:
2339:
2335:
2334:
2332:
2329:
2327:
2325:
2322:
2319:
2316:
2314:
2312:
2308:
2307:
2305:
2302:
2300:
2298:
2295:
2292:
2291:Net directed.
2289:
2287:
2285:
2281:
2280:
2278:
2276:
2274:
2271:
2268:
2265:
2263:
2261:
2257:
2256:
2254:
2252:
2250:
2247:
2244:
2241:
2239:
2237:
2233:
2232:
2230:
2227:
2225:
2223:
2220:
2217:
2214:
2212:
2210:
2206:
2205:
2203:
2197:
2196:
2194:
2192:
2190:
2187:
2184:
2182:
2180:
2176:
2175:
2173:
2171:
2169:
2166:
2163:
2161:
2159:
2155:
2154:
2152:
2149:
2147:
2145:
2142:
2139:
2137:
2135:
2131:
2130:
2128:
2125:
2123:
2121:
2118:
2115:
2113:
2111:
2107:
2106:
2104:
2102:
2100:
2097:
2094:
2092:
2090:
2086:
2085:
2083:
2081:
2079:
2076:
2073:
2071:
2069:
2065:
2064:
2062:
2060:
2058:
2055:
2052:
2050:
2048:
2044:
2043:
2041:
2039:
2037:
2034:
2031:
2029:
2027:
2023:
2022:
2020:
2017:
2015:
2013:
2010:
2007:
2005:
2003:
1999:
1998:
1996:
1995:
1994:
1991:
1988:
1985:
1982:
1973:
1971:
1969:
1966:
1963:
1960:
1958:
1956:
1952:
1951:
1949:
1943:
1942:
1940:
1937:
1935:
1933:
1930:
1927:
1925:
1923:
1919:
1918:
1916:
1914:
1912:
1909:
1907:
1905:
1901:
1900:
1898:
1895:
1893:
1891:
1888:
1886:
1884:
1880:
1879:
1877:
1874:
1872:
1870:
1867:
1865:
1863:
1859:
1858:
1856:
1853:
1851:
1849:
1846:
1844:
1842:
1838:
1837:
1835:
1832:
1830:
1828:
1825:
1822:
1820:
1818:
1814:
1813:
1811:
1808:
1806:
1804:
1801:
1798:
1796:
1794:
1790:
1789:
1787:
1784:
1782:
1780:
1777:
1774:
1771:
1769:
1767:
1763:
1762:
1760:
1758:
1756:
1753:
1750:
1747:
1745:
1743:
1739:
1738:
1736:
1733:
1731:
1729:
1726:
1723:
1720:
1718:
1716:
1712:
1711:
1709:
1707:
1702:
1696:
1695:
1693:
1690:
1688:
1685:
1682:
1679:
1677:
1675:
1671:
1670:
1668:
1665:
1663:
1660:
1657:
1654:
1652:
1650:
1646:
1645:
1643:
1641:
1638:
1635:
1632:
1630:
1628:
1624:
1623:
1621:
1619:
1616:
1613:
1612:Correct time?
1610:
1608:
1606:
1602:
1601:
1599:
1596:
1594:
1591:
1588:
1585:
1583:
1581:
1577:
1576:
1574:
1571:
1569:
1566:
1563:
1560:
1558:
1556:
1552:
1551:
1548:
1547:Help Me Quick
1545:
1543:
1540:
1537:
1534:
1532:
1530:
1526:
1525:
1523:
1520:
1517:
1515:
1512:
1509:
1502:
1500:
1498:
1494:
1493:
1491:
1488:
1486:
1484:
1482:
1478:
1477:
1475:
1472:
1470:
1468:
1466:
1462:
1461:
1459:
1456:
1454:
1452:
1450:
1446:
1445:
1443:
1440:
1438:
1436:
1434:
1430:
1429:
1427:
1424:
1421:
1419:
1416:
1413:
1410:
1408:
1406:
1402:
1401:
1399:
1396:
1393:
1391:
1388:
1385:
1382:
1380:
1378:
1374:
1373:
1370:
1367:
1364:
1362:
1359:
1356:
1354:
1352:
1348:
1347:
1345:
1339:
1338:
1336:
1333:
1332:Records Check
1330:
1328:
1325:
1322:
1319:
1317:
1315:
1311:
1310:
1308:
1305:
1302:
1300:
1297:
1294:
1291:
1289:
1287:
1283:
1282:
1280:
1277:
1274:
1272:
1269:
1266:
1263:
1261:
1259:
1255:
1254:
1252:
1249:
1246:
1244:
1241:
1238:
1235:
1233:
1231:
1227:
1226:
1224:
1221:
1218:
1216:
1213:
1210:
1207:
1205:
1203:
1199:
1198:
1195:
1192:
1189:
1187:
1184:
1181:
1178:
1176:
1174:
1170:
1169:
1167:
1164:
1161:
1159:
1156:
1153:
1151:
1149:
1145:
1144:
1141:
1139:
1136:
1133:
1130:
1128:
1126:
1122:
1121:
1118:
1115:
1112:
1110:
1107:
1104:
1102:
1100:
1096:
1095:
1093:
1090:
1087:
1085:
1082:
1079:
1076:
1074:
1072:
1068:
1067:
1065:
1064:Return to ...
1062:
1059:
1057:
1056:Return to ...
1054:
1051:
1048:
1046:
1044:
1040:
1039:
1036:
1033:
1031:
1028:
1025:
1022:
1020:
1018:
1014:
1013:
1011:
1008:
1006:
1004:
1002:
998:
997:
995:
992:
990:
988:
986:
982:
981:
979:
976:
973:
971:
968:
965:
962:
960:
958:
954:
953:
950:
947:
945:
942:
939:
937:
935:
931:
930:
928:
925:
922:
920:
917:
914:
912:
910:
906:
905:
903:
900:
897:
895:
892:
889:
887:
885:
881:
880:
877:
874:
871:
869:
866:
863:
860:
858:
856:
852:
851:
849:
846:
843:
841:
838:
835:
832:
830:
828:
824:
823:
820:
817:
814:
812:
809:
806:
803:
801:
799:
795:
794:
791:
788:
786:
783:
780:
777:
775:
773:
769:
768:
766:
763:
760:
758:
755:
752:
749:
747:
745:
741:
740:
737:
735:
732:
729:
727:
725:
721:
720:
717:
714:
711:
709:
706:
704:
702:
698:
697:
694:
692:
690:
688:
686:
684:
682:
680:
676:
675:
674:Not Available
672:
670:
667:
665:
663:
661:
659:
657:
655:
651:
650:
647:
644:
641:
639:
636:
633:
631:
629:
625:
624:
622:
619:
616:
614:
611:
608:
605:
603:
601:
597:
596:
594:
591:
588:
586:
583:
581:
579:
575:
574:
571:
568:
565:
563:
560:
557:
554:
552:
550:
546:
545:
543:
540:
538:
535:
532:
529:
527:
525:
521:
520:
518:
515:
512:
510:
507:
504:
502:
500:
496:
495:
492:
489:
486:
484:
481:
478:
476:
474:
470:
469:
467:
464:
461:
459:
456:
453:
450:
448:
446:
442:
441:
438:
436:
434:
432:
430:
428:
426:
424:
422:
419:
418:
415:
413:
411:
409:
407:
405:
403:
401:
399:
396:
395:
394:Under Control
392:
390:
388:
386:
384:
382:
380:
378:
376:
373:
372:
369:
367:
365:
363:
361:
359:
357:
355:
353:
350:
349:
346:
343:
340:
338:
335:
332:
329:
326:
324:
320:
319:
317:
311:
310:
307:
298:
295:
292:
289:
286:
283:
280:
277:
274:
273:
271:
269:
266:
264:
262:
255:
254:Signals by era
252:
247:
244:
229:internet radio
217:Ten 7 Aotearoa
149:Highway Patrol
143:
140:
104:
103:
100:
97:
93:
90:
78:
75:
26:
24:
14:
13:
10:
9:
6:
4:
3:
2:
5521:
5510:
5507:
5505:
5502:
5500:
5497:
5495:
5492:
5490:
5487:
5485:
5484:Brevity codes
5482:
5481:
5479:
5470:
5467:
5464:
5461:
5460:
5456:
5445:
5442:
5431:on 2014-08-14
5427:
5420:
5414:
5411:
5406:
5402:
5396:
5393:
5390:
5386:
5383:
5378:
5375:
5372:
5368:
5365:
5360:
5357:
5353:
5349:
5346:
5341:
5338:
5326:
5322:
5316:
5313:
5308:
5302:
5300:
5296:
5283:
5279:
5275:
5268:
5265:
5262:
5258:
5255:
5250:
5247:
5234:
5230:
5225:
5219:
5216:
5205:on 2010-05-27
5201:
5197:
5190:
5184:
5181:
5177:
5176:10-4 no more?
5172:
5169:
5165:
5161:
5158:
5153:
5150:
5135:
5129:
5127:
5123:
5118:
5112:
5101:
5095:
5093:
5091:
5089:
5085:
5074:on 2017-12-01
5070:
5063:
5057:
5054:
5046:
5040:
5037:
5032:
5026:
5023:
5015:
5009:
5006:
4998:
4992:
4989:
4981:
4975:
4972:
4964:
4958:
4955:
4942:
4936:
4933:
4920:
4913:
4910:
4905:
4899:
4896:
4891:
4885:
4882:
4870:
4866:
4860:
4857:
4852:
4848:
4842:
4839:
4835:
4831:
4828:
4823:
4820:
4807:
4803:
4797:
4794:
4781:
4777:
4771:
4768:
4760:
4754:
4751:
4746:
4740:
4737:
4733:
4729:
4726:
4721:
4718:
4705:
4701:
4694:
4691:
4683:
4677:
4674:
4666:
4660:
4657:
4641:
4634:
4628:
4625:
4613:
4609:
4602:
4600:
4596:
4583:
4576:
4570:
4567:
4560:
4556:
4553:
4549:
4546:
4545:
4544:
4541:
4539:
4536:
4534:
4531:
4529:
4526:
4524:
4521:
4519:
4516:
4514:
4511:
4510:
4506:
4499:
4495:
4492:
4489:
4485:
4481:
4477:
4476:amateur radio
4473:
4469:
4466:
4465:
4463:
4460:
4456:
4452:
4448:
4445:
4440:
4436:
4433:
4430:
4427:
4424:
4421:
4415:
4414:
4412:
4411:
4405:
4401:
4397:
4394:
4391:
4387:
4386:
4385:
4381:
4374:Related codes
4373:
4366:
4363:
4362:
4358:
4355:
4354:
4349:
4346:
4345:
4341:
4340:
4336:
4335:
4328:
4327:
4323:
4320:
4319:
4315:
4312:
4311:
4307:
4304:
4303:
4299:
4298:
4294:
4293:
4289:
4288:
4284:
4283:
4279:
4278:
4271:
4270:
4266:
4263:
4262:
4258:
4257:
4250:
4249:
4245:
4242:
4241:
4236:
4233:
4232:
4228:
4225:
4224:
4220:
4217:
4216:
4212:
4209:
4208:
4204:
4201:
4200:
4196:
4193:
4192:
4188:
4185:
4184:
4180:
4178:Copy, Copies
4177:
4176:
4172:
4171:
4164:
4163:
4159:
4156:
4155:
4151:
4148:
4147:
4141:
4138:
4135:In 1980, the
4130:
4123:
4120:
4117:
4116:
4112:
4109:
4107:Help Officer
4106:
4105:
4101:
4098:
4096:Traffic Stop
4095:
4094:
4090:
4087:
4084:
4083:
4079:
4076:
4073:
4072:
4068:
4065:
4062:
4061:
4057:
4054:
4051:
4050:
4046:
4043:
4040:
4039:
4035:
4032:
4029:
4028:
4024:
4021:
4018:
4017:
4013:
4010:
4007:
4006:
4002:
3999:
3996:
3995:
3991:
3988:
3985:
3984:
3980:
3977:
3974:
3973:
3969:
3966:
3963:
3962:
3958:
3955:
3952:
3951:
3947:
3944:
3941:
3940:
3936:
3933:
3930:
3929:
3925:
3922:
3919:
3918:
3914:
3911:
3908:
3907:
3903:
3900:
3897:
3896:
3892:
3889:
3886:
3885:
3881:
3878:
3875:
3874:
3868:
3862:
3855:
3852:
3851:
3847:
3844:
3843:
3838:
3835:
3834:
3831:
3827:
3823:
3820:
3819:
3815:
3812:
3811:
3807:
3804:
3803:
3800:
3795:
3792:
3791:
3787:
3784:
3783:
3779:
3776:
3775:
3771:
3768:
3767:
3754:
3751:
3748:
3747:
3746:
3743:
3742:
3738:
3735:
3734:
3730:
3727:
3726:
3722:
3719:
3718:
3714:
3711:
3710:
3706:
3703:
3702:
3698:
3695:
3694:
3690:
3687:
3686:
3682:
3679:
3678:
3674:
3671:
3670:
3666:
3663:
3662:
3658:
3655:
3654:
3650:
3647:
3646:
3642:
3639:
3638:
3634:
3631:
3630:
3626:
3623:
3622:
3618:
3615:
3614:
3610:
3607:
3606:
3600:
3597:
3594:
3591:
3588:
3585:
3582:
3581:
3579:
3576:
3575:
3571:
3568:
3567:
3563:
3560:
3559:
3555:
3552:
3551:
3547:
3544:
3543:
3539:
3536:
3535:
3531:
3528:
3527:
3523:
3520:
3519:
3515:
3512:
3511:
3507:
3504:
3503:
3499:
3496:
3495:
3491:
3488:
3487:
3483:
3480:
3479:
3475:
3472:
3471:
3467:
3464:
3463:
3459:
3456:
3455:
3451:
3448:
3447:
3443:
3440:
3439:
3435:
3432:
3431:
3427:
3424:
3423:
3420:Return to...
3419:
3416:
3415:
3411:
3408:
3407:
3403:
3400:
3399:
3395:
3392:
3391:
3387:
3384:
3383:
3379:
3376:
3375:
3371:
3368:
3367:
3363:
3360:
3359:
3355:
3352:
3351:
3347:
3344:
3343:
3339:
3336:
3335:
3331:
3328:
3327:
3323:
3320:
3319:
3315:
3312:
3311:
3307:
3304:
3303:
3299:
3296:
3295:
3291:
3288:
3287:
3284:
3280:
3278:
3274:
3273:
3267:
3265:
3261:
3253:
3251:
3247:
3245:
3241:
3237:
3233:
3229:
3224:
3217:
3211:
3208:
3206:
3204:
3201:
3199:
3197:
3194:
3193:
3190:
3187:
3185:
3183:
3180:
3178:
3176:
3173:
3172:
3169:
3166:
3164:
3162:
3159:
3154:
3152:
3149:
3148:
3145:
3142:
3140:
3138:
3135:
3132:
3130:
3128:
3125:
3124:
3121:
3118:
3116:
3114:
3111:
3105:
3103:
3101:
3098:
3097:
3094:
3092:
3090:
3087:
3084:
3081:
3079:
3077:
3074:
3073:
3070:
3065:
3063:
3060:
3057:
3054:
3052:
3050:
3047:
3046:
3043:
3040:
3038:
3036:
3033:
3030:
3028:
3026:
3023:
3022:
3019:
3016:
3014:
3012:
3009:
3003:
3001:
2999:
2996:
2995:
2992:
2989:
2987:
2985:
2982:
2979:
2976:
2974:
2972:
2969:
2968:
2965:
2963:
2959:
2956:
2953:
2951:
2949:
2946:
2943:
2940:
2938:
2936:
2933:
2932:
2929:
2927:
2925:
2922:
2919:
2916:
2914:
2912:
2909:
2908:
2905:
2903:
2901:
2898:
2895:
2893:
2891:
2888:
2887:
2884:
2882:
2880:
2877:
2874:
2872:
2870:
2867:
2866:
2863:
2861:
2859:
2857:Will be late
2856:
2853:
2851:
2849:
2846:
2845:
2842:
2840:
2838:
2835:
2832:
2830:
2828:
2825:
2824:
2821:
2819:
2817:
2814:
2808:
2806:
2804:
2801:
2800:
2797:
2795:
2793:
2790:
2787:
2784:
2782:
2780:
2777:
2776:
2773:
2768:
2766:
2763:
2761:
2759:
2756:
2755:
2752:
2749:
2747:
2745:
2736:
2734:
2732:
2729:
2728:
2725:
2723:
2721:
2719:
2716:
2714:
2711:
2709:
2705:
2702:
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2654:
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2649:
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2628:En route ...
2627:
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2572:
2570:Fourth alarm
2569:
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2562:
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2558:
2556:
2554:
2552:Smoke report
2551:
2548:
2546:
2544:
2541:
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2537:
2535:
2533:
2530:
2528:Second alarm
2527:
2522:
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2517:
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2500:
2497:
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2177:
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2119:
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2109:
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2098:
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2082:
2080:
2077:
2074:
2072:
2070:
2067:
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2063:
2061:
2059:
2057:Road blocked
2056:
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2040:
2038:
2035:
2032:
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2028:
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2016:
2014:
2011:
2008:
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1997:
1992:
1989:
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1727:
1725:Notification
1724:
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1626:
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1622:
1620:
1618:Correct time
1617:
1614:
1611:
1609:
1607:
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1600:
1595:
1592:
1589:
1586:
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1564:
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1557:
1554:
1553:
1550:Help Officer
1549:
1546:
1544:
1541:
1538:
1535:
1533:
1531:
1528:
1527:
1524:
1518:
1516:
1514:Man with gun
1513:
1510:
1507:
1503:
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1499:
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1088:
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1077:
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1069:
1066:
1063:
1061:(In) Contact
1060:
1058:
1055:
1052:
1049:
1047:
1045:
1042:
1041:
1037:
1032:
1029:
1026:
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547:
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519:
516:
513:
511:
509:Signals good
508:
503:
501:
498:
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485:
482:
477:
475:
472:
471:
468:
465:
462:
460:
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454:
451:
449:
447:
444:
443:
440:Traffic Stop
439:
437:
435:
433:
431:
429:
427:
425:
423:
421:
420:
416:
414:
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410:
408:
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321:
318:
316:
312:
308:
306:
303:
300:Clear Speech
299:
296:
293:
290:
287:
284:
281:
278:
276:
275:
272:
270:
268:APCO Meaning
265:
263:
260:
259:
253:
251:
245:
243:
241:
237:
232:
230:
225:
223:
219:
218:
213:
208:
206:
205:
200:
195:
194:
192:
187:
186:
180:
178:
174:
171:'s hit song "
170:
167:enthusiasts.
166:
161:
159:
155:
151:
150:
141:
139:
135:
131:
129:
125:
121:
117:
113:
109:
101:
98:
94:
91:
88:
87:
86:
83:
76:
74:
72:
71:North America
68:
63:
62:
58:
57:citizens band
54:
53:brevity codes
50:
46:
40:
33:
19:
5444:
5433:. Retrieved
5426:the original
5413:
5395:
5377:
5359:
5340:
5329:. Retrieved
5315:
5286:. Retrieved
5277:
5267:
5249:
5237:. Retrieved
5223:
5218:
5207:. Retrieved
5200:the original
5195:
5183:
5171:
5152:
5141:. Retrieved
5139:. p. 29
5076:. Retrieved
5069:the original
5056:
5039:
5025:
5008:
4991:
4974:
4957:
4945:. Retrieved
4935:
4923:. Retrieved
4912:
4898:
4884:
4872:. Retrieved
4868:
4859:
4851:the original
4841:
4822:
4810:. Retrieved
4796:
4784:. Retrieved
4770:
4753:
4739:
4720:
4708:. Retrieved
4693:
4676:
4659:
4647:. Retrieved
4627:
4616:. Retrieved
4586:. Retrieved
4581:
4569:
4480:marine radio
4474:are used in
4408:
4404:Hundred Code
4383:
4186:Affirmative
4134:
4118:Affirmative
3887:Use Caution
3876:Phrase Word
3866:
3828:
3825:
3797:
3683:Bomb threat
3643:En route...
3404:Shoplifting
3380:Disturbance
3292:Use Caution
3282:
3276:
3263:
3257:
3248:
3225:
3221:
3088:Drag racing
2961:
2954:Bomb threat
2712:
2707:
2642:Fire, grass
2594:Fifth alarm
2549:Third alarm
2455:
2200:
1976:
1946:
1803:Information
1704:
1699:
1372:Use Caution
1342:
1010:Shoplifting
902:Disturbance
790:... On Duty
708:In service.
514:Signal Good
488:Signal Weak
466:Use caution
314:
304:
301:
249:
233:
226:
222:Police Ten 7
221:
215:
209:
202:
196:
189:
183:
181:
169:C. W. McCall
162:
147:
145:
136:
132:
124:vacuum tubes
120:State Police
107:
105:
84:
80:
64:
60:
48:
44:
43:
5288:October 26,
4947:21 December
4925:21 December
4874:December 7,
4582:rackcdn.com
4420:187 (slang)
4380:Police code
4321:Can Handle
4243:In-Service
4157:Unreadable
4085:In Pursuit
4041:Responding
3920:In Service
3898:Unreadable
3853:CODE EIGHT
3845:CODE SEVEN
3805:CODE THREE
3589:Hit and run
3524:Kidnapping
3277:(Ten-Code)
2983:Bank alarm
2477:Fire alarm
2246:CW traffic
1981:Hit and run
1705:Private Use
1700:General Use
1598:—Reserved—
1508:available?
1506:drunkometer
1474:Kidnapping
952:Responding
719:In Service
713:In Service
646:Out at ...
590:Relay (To)
494:Unreadable
417:In Pursuit
204:Blue Bloods
49:ten signals
5504:Telegraphy
5478:Categories
5435:2010-01-23
5331:2015-11-25
5239:2014-12-02
5209:2010-01-23
5143:2020-03-25
5078:2017-11-18
4921:. Fox News
4618:2010-01-23
4561:References
4264:Return to
4226:Uncovered
4019:Off Radio
3931:Available
3821:CODE FIVE
3813:CODE FOUR
3777:CODE ZERO
3444:Disregard
3396:Vandalism
3356:Say again
3340:Out at...
2501:Box alarm
2318:Net free.
1542:EMERGENCY
1197:Available
1143:Disregard
1138:Disregard
1120:Telephone
994:Vandalism
739:Say Again
696:Off Radio
302:(c. 1971)
279:1937 APCO
220:(formerly
182:The movie
158:microphone
5494:Encodings
5419:"Q Codes"
5364:"K-Codes"
4488:shortwave
4305:At Scene
4290:Stand-By
4194:Negative
4074:Priority
4030:On Radio
3997:Stand By
3836:CODE SIX
3793:CODE TWO
3785:CODE ONE
3635:Negative
3548:Off duty
3532:Shooting
3516:Homicide
3500:Burglary
3452:On scene
3428:Location
3364:Stand by
3061:Blockade
2962:Technical
2621:En Route
2580:Negative
2573:Negative
1786:Off duty
1490:Shooting
1458:Homicide
1426:Burglary
1166:On scene
1117:Call ...
1092:Location
1089:Location
1084:Location
1081:Location
1038:Priority
822:Stand By
819:Stand by
793:On Radio
785:Dog Case
762:Negative
371:Go Ahead
128:dynamotor
45:Ten-codes
5405:Archived
5385:Archived
5367:Archived
5348:Archived
5325:Archived
5282:Archived
5257:Archived
5233:Archived
5160:Archived
5111:cite web
4830:Archived
4812:27 April
4806:Archived
4786:27 April
4780:Archived
4728:Archived
4710:15 March
4704:Archived
4649:15 March
4640:Archived
4612:Archived
4507:See also
4259:Weather
4210:Enroute
4152:Meaning
3772:Meaning
3580:Traffic
3508:Robbery
3436:Call...
1977:Traffic
1637:No rush
1481:10-31 E
1465:10-31 D
1449:10-31 C
1442:Robbery
1433:10-31 B
1405:10-31 A
1395:Pick Up
1001:10-17 C
985:10-17 B
957:10-17 A
949:Enroute
177:truckers
165:CB radio
5309:. 1990.
4610:. NPR.
4588:July 1,
4494:Z codes
4410:Adam-12
4251:Repeat
3744:
3598:Unknown
3583:K=Fatal
3529:10-31E
3521:10-31D
3513:10-31C
3505:10-31B
3497:10-31A
3412:Urgent
3401:10-17C
3393:10-17B
3385:10-17A
1990:Unknown
1035:Urgent
734:Repeat
679:10-7 B
654:10-7 A
585:Relay.
323:10-MAX
261:Signal
152:, with
77:History
18:10 code
4468:Q code
4113:10-33
4069:10-21
4047:10-17
4036:10-11
4025:10-7B
4014:10-22
4003:10-12
3959:10-14
3948:10-7A
3937:10-24
3736:10-99
3728:10-98
3720:10-97
3712:10-95
3704:10-92
3696:10-91
3688:10-90
3680:10-89
3675:Chase
3672:10-80
3664:10-79
3656:10-78
3648:10-77
3640:10-76
3632:10-74
3624:10-70
3616:10-63
3608:10-56
3592:Injury
3577:10-50
3569:10-49
3561:10-46
3553:10-44
3545:10-42
3537:10-38
3489:10-29
3481:10-28
3473:10-27
3465:10-26
3457:10-25
3449:10-23
3441:10-22
3433:10-21
3425:10-20
3417:10-19
3409:10-18
3388:Theft
3377:10-15
3369:10-13
3361:10-12
3348:Clear
3324:Relay
3316:Roger
3195:10-99
3174:10-98
3150:10-97
3126:10-96
3099:10-95
3075:10-94
3048:10-93
3024:10-92
2997:10-91
2970:10-90
2934:10-89
2910:10-88
2889:10-87
2868:10-86
2847:10-85
2826:10-84
2802:10-83
2778:10-82
2757:10-81
2750:Chase
2730:10-80
2683:10-79
2659:10-78
2635:10-77
2611:10-76
2587:10-75
2563:10-74
2542:10-73
2518:10-72
2491:10-71
2464:10-70
2434:10-69
2410:10-68
2386:10-67
2362:10-66
2338:10-65
2311:10-64
2284:10-63
2260:10-62
2236:10-61
2209:10-60
2179:10-59
2158:10-58
2134:10-57
2110:10-56
2089:10-55
2068:10-54
2047:10-53
2026:10-52
2002:10-51
1984:Injury
1955:10-50
1922:10-49
1904:10-48
1883:10-47
1862:10-46
1841:10-45
1817:10-44
1793:10-43
1766:10-42
1742:10-41
1715:10-40
1674:10-39
1649:10-38
1627:10-37
1605:10-36
1580:10-35
1555:10-34
1529:10-33
1497:10-32
1377:10-31
1351:10-30
1314:10-29
1286:10-28
1258:10-27
1230:10-26
1202:10-25
1173:10-24
1148:10-23
1125:10-22
1099:10-21
1071:10-20
1043:10-19
1017:10-18
978:Theft
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