Radio Codes | |||
900 Codes | 10 Codes | ||
| 900 | Radio Silence | 10-1 | Receiving Poorly |
| 901 | Accident | 10-2 | Receiving Clearly |
| 904 | Message Received | 10-3 | Radio Check |
| 908 | Out of Service | 10-4 | Message Received |
| 909 | In Service | 10-6 | Busy |
| 910 | Prowler | 10-7 | Out of Service |
| 910A | Prowler Still On Scene | 10-8 | In Service |
| 911 | Vehicle Stop | 10-9 | Repeat Last Message |
| 912 | Suspicious Person | 10-10 | Off Duty |
| 916 | Domestic | 10-11 | Send Back Up |
| 917 | Drinking In Public | 10-13 | Emergency Back Up |
| 918 | Person Screaming for Help | 10-15 | Prisoner |
| 922 | Drunk Person | 10-15X | Female Prisoner |
| 923 | Stand By | 10-18 | Report Information Needed |
| 924 | Go to Station | 10-19 | Return to Base |
| 926 | Your Location | 10-20 | Location |
| 927 | Repeat Your Last Transmission | 10-21 | Phone Call |
| 935 | Registration Inquiry | 10-22 | Cancel Last Message |
| 936 | Stolen Vehicle Inquiry | 10-23 | Stand By |
| 937 | Wanted Person Inquiry | 10-27 | Check License Status |
| 938 | Cancel | 10-28 | Check Registration Status |
| 939 | Wanted Use Caution | 10-29 | Check for Wants / Warrants |
| 940 | Meet Officer At … | 10-33 | Emergency Radio Traffic Only |
| 945 | Ambulance Needed | 10-34 | Cancel 10-33 |
| 946 | Tow Truck Needed | 10-36 | Confidential Information Follows |
| 947 | Fire Truck Needed | 10-36A | Use CAUTION – Suspect Has Aids or Other Dangerous Disease |
| 950 | Take a Report | 10-36M | Suspect Has Misdemeanor Warrant |
| 971 | Be On The Lookout For … | 10-36F | Suspect Has Felony Warrant |
| 999 | Officer Needs Help | 10-97 | Arriving at Assignment |
| 10-98 | Assignment Complete | ||
| Walkie Talkie | |||
11 Codes | |||
| 11-10 | Take A Report | ||
| 11-19 | In Route To Station | ||
| 11-41 | Ambulance Needed | ||
| 11-44 | Dead Body (Human or Animal) | ||
| 11-48 | Suspicious Vehicle | ||
| 11-55 | Suspicious Person | ||
| 11-57 | Provide Transportation | ||
| 11-80 | Accident With Major Injuries | ||
| 11-81 | Accident With Minor Injuries | ||
| 11-82 | Accident With Property Damage | ||
| 11-83 | Accident No Details | ||
| 11-85 | Tow Truck Needed | ||
| 11-98 | Meet Officer | ||
| 11-99 | OFFICER IN DANGER, NEED HELP NOW! | ||
Other Codes | |||
| A.D.W. | Assault With A Deadly Weapon | ||
| A.K.A. | Also Known As | ||
| A.O.D. | Assist Other Department | ||
| B.A. | Burglar Alarm | ||
| B.A.C. | Blood Alcohol Content | ||
| B & E | Breaking & Entering | ||
| B.O.L. | Be On the Lookout for … | ||
| C.A.D. | computer Aided Dispatching | ||
| C.C.W. | Carry Concealed Weapon | ||
| C.H.P. | California Highway Patrol | ||
| C.L.E.T.S. | California Law Enforcement Telecommunications System | ||
| C.O.N. | Call Of Nature (restroom break) | ||
| C.V.C | California Vehicle Code | ||
| C.P. | Command Post | ||
| C.R.A.S.H. | Community Resources Against Street Hoodlums | ||
| C.Y.A. | California Youth Authority / Cover Your @$$ | ||
| D.O.A. | Dead On Arrival | ||
| D.O.B. | Date Of Birth | ||
| D.O.J. | Department of Justice | ||
| D.L. | Driver’s License | ||
| D.P.S. | Department of Public Safety | ||
| D.U.I. | Driving Under the Influence | ||
| D.W.I. | Driving While Intoxicated (obsolete) | ||
| E.M.T. | Emergency Medical Technician | ||
| E.O.W. | End of Watch (death or off duty) | ||
| E.P.O. | Emergency Protection Order | ||
| E.T.A. | Estimated Time of Arrival | ||
| F.I. | Field Interview / Field Interrogation | ||
| F.L.I.R. | Forward Looking Infra Red | ||
| F.S.T. | Field Sobriety Test | ||
| F.T.A. | Failure To Appear (In Court) | ||
| F.Y.I. | For Your Information | ||
| G.B.H. | Great Bodily Harm | ||
| G.B.I. | Great Bodily Injury | ||
| G.O.A | Gone On Arrival | ||
| G.S.W. | Gun Shot Wound | ||
| G.T.A. | Grand Theft Auto | ||
| H.B.D | Has Been Drinking (Alcohol) | ||
| H & S | Illegal Narcotics / Drugs | ||
| I.C.C. | Incident Command Center | I.C. with FEMA | |
| M.O. | Motus Operandi (Method of Operation) | ||
| M.V.A. | Motor Vehicle Accident | ||
| N.C.I.C. | National Crime Information Center | ||
| O.C. | Oleoresin Capsicum (Pepper Spray) | ||
| O.I C. | Officer In Charge | ||
| P.A.S. | Preliminary Alcohol Screener | ||
| P.C. | Penal Code / Probable Cause | ||
| P.I.T. | Pursuit Intervention Technique (Maneuver) | ||
| P.N.O. | Planned Non Operation (Motor Vehicle) | ||
| P.O.P. | Team Problem Orientated Policing (Normally An Anti-Gang Team) | ||
| R.O. | Registered Owner | ||
| R.P. | Reporting Person | ||
| S.W.A.T. | Special Weapons & Tactics | ||
| T.A. | Traffic Accident | ||
| T.C. | Traffic Collision | ||
| V.C. | Vehicle Code (CVC) | ||
| Code 1 | Respond At Your Convenience | ||
| Code 2 | Respond Immediately | ||
| Code 3 | Respond to Emergency! | ||
| Code 4 | No Further Assistance Needed | ||
| Code 5 | Stake Out | ||
| Code 6 | Coffee Break | ||
| Code 7 | Meal Break | ||
| Code 8 | Officer’s Residence | ||
| Code 9 | Officer Needs Immediate Backup | ||
| Code 33 | Emergency Radio Traffic Only | ||
| Code Blue | Heart Attack | ||
| Beat | Area Patrol Officer Assigned to Patrol & Answer Calls For Service | ||
| Cite | Citation (Ticket) | ||
| Crank | Term for Methamphetamine (Meth, Speed, Ice) | ||
| Hook | Tow Truck | ||
| K-9 | Dog | ||
| Land Shark | Guard Dog | ||
| Wire | Concealed Microphone | ||
Amateur Radio Q Codes | |||
| Code | Question | Answer, Advice or Command | |
| QRG | What is my exact frequency? | Your frequency is _____ KHz. | |
| QRH | Does my frequency drift? | Your frequency does drift. | |
| QRI | How is the tone of my transmission? | The tone of your transmission is (1) Good, (2) Variable, (3) Bad. | |
| QRJ | Are you receiving me poorly? Are my signals weak? | Reception is poor. | |
| QRK | What is my legibility? (1 – 5) | Legibility is _____. (Range of 1-bad to 5-perfect) | |
| QRL | Are you busy? | I am busy or busy with _____. | |
| QRM | Are you receiving interference? | I am receiving interference. | |
| QRN | Are you receiving static? | I am receiving static. | |
| QRO | Do I need more power? | Increase power. | |
| QRP | Should I decrease power? | Decrease power | |
| QRQ | Should I send (code) faster? | Send faster at ___ W.P.M. | |
| QRS | Should I send (code) slower? | Send slower at ___ W.P.M | |
| QRT | Should I quit? | Quit – Off the air. | |
| QRU | Do you have anything for me? | I have nothing for you. | |
| QRV | Are you ready? | I am ready. | |
| QRW | Should I advise _____ that you are calling him on _____ KHz | Please advise _____ that I am on _____KHz. | |
| QRX | Will you call again? | I will call again at _____ hours/day on ____KHz. | |
| QRZ | Who is calling? | You are being called by _____ | |
| QSA | What is my signal strength (1-9) | Your signal strength is _____. (1 – 9) | |
| QSB | Does my signal strength vary? | Your signal strength varies. | |
| QSD | Is my code transmission good? | Your keying is poor, signals bad | |
| QSG | Can I send ___ telegrams now? | Send ____ telegrams now. | |
| QSK | Can I send the balance of the messages? | Continue sending messages. | |
| QSL | Can you acknowledge receipt? | Receipt is acknowledged. | |
| QSM | Should I repeat the last message? | Repeat the last message. | |
| QSO | Can you communicate with _____? | I can communicate with _____. | |
| QSP | Will you relay message to _____? | I will relat message to _____. | |
| QSV | Shall I send a series of Vs? | Send a series of Vs. | |
| QSX | Will you listen for _____ on _____KHz? | I am listening for _____ on _____KHz. | |
| QSY | Should I change frequency? | Change frequency to _____KHz. | |
| QSZ | Should I send each word (or group) twice? | Send each word (or group) twice. | |
| QTA | Should I cancel message? | Cancel message. | |
| QTB | Do you agree with my word count? | No. I will repeat the first letter of each word & first figure of each number. | |
| QTC | How may messages do you have? | I have ___ messages to be sent. | |
| QTH | What is your location? | My location is _____. | |
| QTR | What is the exact time? | The exact time is _____. | |
| QST | Do you have an announcement? | General announcement is “………..”. | |
| QRRR | Do you have an emergency? | I have an emergency. The emergency is _____. | |
| Other Amateur Codes | |||
| CQ | Calling any station | Common on HF bands | |
| DE | From | Followed by the callsign | |
Phonetic Alphabets
| Letter | 1943 CCB (US-UK) | NATO (Jan 1 – Feb 29, 1956) | NATO (Mar 1, 1956 to Present) | US Army 1916-1939 | US Army 1939-1941 | US Army 1941-1943 | US Army 1943-1955 | US Army 1955 – Present |
| A | Able | Alfa | Alfa | Able | Afirm | Afirm | Able | Alpha |
| B | Baker | Bravo | Bravo | Boy | Baker | Baker | Baker | Bravo |
| C | Charlie | Charlie | Charlie | Cast | Cast | Cast | Charlie | Charlie |
| D | dog | Delta | Delta | Dock | Dog | Dog | Dog | Delta |
| E | Easy | Echo | Echo | Easy | Easy | Easy | Easy | echo |
| F | Fox | Foxtrot | Foxtrot | Fox | Fox | Fox | Fox | Foxtrot |
| G | George | Golf | Golf | George | George | George | George | Golf |
| H | How | Hotel | Hotel | Have | Hypo | Hypo | How | Hotel |
| I | Item | India | India | Item | Inter | Inter* | Item | India |
| J | Jig | Juliett | Juliett | Jig | Jig | Jig | Jig | Juliett |
| K | King | Kilo | Kilo | King | King | King | King | Kilo |
| L | Love | Lima | Lima | Love | Love | Love | Love | Lima |
| M | Mike | Mike | Mike | Mike | Mike | Mike | Mike | Mike |
| N | Nan | Nectar | November | Nan | Negat | Negat | Nan | November |
| O | Oboe | Oscar | Oscar | Opal | Option | Option | Oboe | Oscar |
| P | Peter | Papa | Papa | Pup | Prep | Prep | Peter | Papa |
| Q | Queen | Quebec | Quebec | Quack | Queen | Queen | Queen | Quebec |
| R | Roger | romeo | romeo | Rush | Roger | Roger | Roger | Romeo |
| S | Sugar | Sierra | Sierra | Sail | Sail | Sail | Sugar | Sierra |
| T | Tare | Tango | Tango | Tare | Tare | Tare | Tare | Tango |
| U | Uncle | Uniform | Uniform | Unit | Unit | Unit | Uncle | Uniform |
| V | Victor | Victor | Victor | Vice | Victor | Victor | Victor | Victor |
| W | William | Whiskey | Whiskey | Watch | William | William | William | Whiskey |
| X | Xray | X-ray | X-ray | X-ray | Xray | Xray | Xray | X-ray |
| Y | Yoke | Yankee | Yankee | Yoke | Yoke | Yoke | Yoke | Yankee |
| Z | Zebra | Zulu | Zulu | Zed | Zed | Zed | Zebra | Zulu |
| 0 | Zero | Zero | Zero | Zero | ||||
| 1 | Wun | Wun | Wun | Wun | ||||
| 2 | Too | Too | Too | Too | ||||
| 3 | Thuh-ree | Th-r-ee | Th-r-ee | Thuh-ree | ||||
| 4 | Fo-wer | Fo-wer | Fo-wer | Fo-wer | ||||
| 5 | Fi-yiv | Fi-iv | Fi-yiv | Fi-yiv | ||||
| 6 | Six | Siks | Siks | Six | ||||
| 7 | Seven | Sev-ven | Sev-ven | Seven | ||||
| 8 | Ate | Ate | Ate | Ate | ||||
| 9 | Niner | Ni-yen | Ni-yen | Niner | ||||
| * Interrogatory was used in lieu of “Inter” in joint Army / Navy (JAN) operations | ||||||||
| Letter | US Navy 1908 Ver A | US Navy 1908 Ver B | US Navy 1913-1926 | US Navy 1927-1937 | US Navy 1938 | US Navy WWII | US Navy 1956 – Present |
| A | Actor | Ash | Able | Afirm | Afirm | Afirm | Alfa |
| B | Baker | Back | Boy | Baker | Baker | Baker | Bravo |
| C | Carteen | Chain | Cast | Cast | Cast | Charlie | Charlie |
| D | Diver | Dog | Dog | Dog | Dog | Dog | Delta |
| E | Eagle | Egg | Easy | easy | easy | easy | Echo |
| F | Fisher | Fox | Fox | Fox | Fox | Fox | Foxtrot |
| G | gangway | Gig | George | George | George | George | Golf |
| H | Halliard | Horse | Have | Hypo | Hypo | How | Hotel |
| I | Insect | Ice | Item | Int | Int | Int | India |
| J | Jockey | Jake | Jig | Jig | Jig | Jig | Juliett |
| K | Knapsack | King | King | King | King | King | Kilo |
| L | Lugger | Lash | Love | Love | Love | Love | Lima |
| M | Musket | Mule | Mike | Mike | Mike | Mike | Mike |
| N | Neptune | net | Nan | Negat | Negat | Negat | November |
| O | Oyster | Oak | Oboe | Option | Option | Option | Oscar |
| P | Pistol | Page | Pup | Prep | Prep | Prep | Papa |
| Q | Quadrant | Quail | Quack | Quack | Queen | Queen | Quebec |
| R | Reefer | Raft | Rush | Roger | Roger | Roger | Romeo |
| S | Shipmate | Scout | Sail | Sail | Sail | Sugar | Sierra |
| T | Topsail | Tide | Tare | Tare | Tare | Tare | Tango |
| U | Unload | Use | Unit | Unit | Unit | Uncle | Uniform |
| V | Vessel | Vast | Vice | Vice | Victor | Victor | Victor |
| W | Windage | Winch | Watch | William | William | William | Whiskey |
| X | Xray | Xray | X-ray | X-ray | X-ray | Xray | X-ray |
| Y | Yeoman | Yacht | Yoke | Yoke | Yoke | Yoke | Yankee |
| Z | Zebra | Zoo | Zed | Zed | Zed | Zebra | Zulu |
| Letter | Joint Army / Navy (JAN) 1941-1943 | CCB 1943-1955 | ICAO 1956-Present | RAF 1921-1942 | RAF 1942-1955 | RAF 1921-1942 |
| A | Able | Able | Alfa | Apple | Able/Affirm | Alfa |
| B | Baker | Baker | Bravo | beer | Baker | Bravo |
| C | Charlie | Charlie | Charlie | Charlie | Charlie | Charlie |
| D | Dog | Dog | Delta | Don | Dog | Delta |
| E | Easy | Easy | Echo | Edward | Easy | Echo |
| F | Fox | Fox | Foxtrot | Freddie | Fox | Foxtrot |
| G | george | george | Golf | George | George | Golf |
| H | How | How | Hotel | Harry | How | Hotel |
| I | Item | Item | India | Ink | Item | India |
| J | Jig | Jig | Juliett | Jug/Johnnie | Jig/Johnny | Juliett |
| K | King | King | Kilo | King | King | Kilo |
| L | Love | Love | Lima | London | Love | Lima |
| M | Mike | Mike | Mike | Monkey | Mike | Mike |
| N | Nan | Nan | November | Nuts | Nan/Nab | November |
| O | Oboe | Oboe | Oscar | Orange | Oboe | Oscar |
| P | Peter | Peter | Papa | Pip | Peter/Prep | Papa |
| Q | Queen | Queen | Quebec | Queen | Queen | Quebec |
| R | Roger | Roger | Romeo | Robert | Roger | Romeo |
| S | Sail/Sugar | Sugar | Sierra | Sugar | Sugar | Sierra |
| T | Tare | Tare | Tango | Toc | Tare | Tango |
| U | Uncle | Uncle | Uniform | Uncle | Uncle | Uniform |
| V | Victor | Victor | victor | Vic | Victor | Victor |
| W | William | William | Whisky | William | William | Whiskey |
| X | X-ray | Xray | X-ray | X-Ray | X-ray | X-ray |
| Y | Yoke | Yoke | Yankee | Yorker | Yoke | Yankee |
| Z | Zebra | Zebra | Zulu | Zebra | Zebra | Zulu |
| 0 | Zero | Zero | Zero | |||
| 1 | One | Wun | Wun | |||
| 2 | Two | Too | Too | |||
| 3 | Three | Thuh-ree | Tree | |||
| 4 | Four | Fo-wer | Fower | |||
| 5 | Five | Fi-yiv | Fife | |||
| 6 | Six | Six | Siks | |||
| 7 | Seven | Seven | Seven | |||
| 8 | Eight | Ate | Ate | |||
| 9 | Nine | Niner | Niner | |||
| Letter | British Army 1904 | British Army 1914 | British Army 1914-1918 | British Army 1918 | British Army 1956-Present | Royal Navy 1914-1918 | Royal Navy 1921 | Royal Navy 1956 – Present |
| A | Ack | Ack | Apples | Ack | Alfa | Apples | Ac | Alfa |
| B | Beer | beer | Butter | Beer | Bravo | Butter | Beer | Bravo |
| C | Cork | C | Charlie | Cork | charlie | Charlie | Charlie | Charlie |
| D | Don | Don | Duff | Don | Delta | Duff | Don | Delta |
| E | eddy | E | Edward | Eddy | Echo | Edward | Edward | Echo |
| F | Freddy | F | Freddie | Freddy | Foxtrot | Freddy | Fox | Foxtrot |
| G | George | G | George | George | Golf | George | George | Golf |
| H | Harry | H | Harry | Harry | Hotel | Harry | How | Hotel |
| I | Ink | I | Ink | Ink | India | Ink | Ink | India |
| J | Jug | J | Johnnie | Jug | Juliett | Johnnie | Johnnie | Juliett |
| K | King | K | King | King | Kilo | King | King | Kilo |
| L | London | L | London | London | Lima | London | Love | Lima |
| M | Emma | Emma | Monkey | Emma | Mike | Monkey | Monkey | Mike |
| N | Nuts | N | Nuts | Nuts | November | Nuts | Nan | November |
| O | Orange | O | Orange | Orange | Oscar | Orange | Orange | Oscar |
| P | Pip | Pip | Pudding | Pip | Papa | Pudding | Pip | Papa |
| Q | Quad | Q | Queenie | Quad | Quebec | Queenie | Queen | Quebec |
| R | Robert | R | Robert | Rovert | Romeo | Robert | Robert | Romeo |
| S | Esses | Esses | Sugar | Esses | Sierra | Sugar | Sugar | Sierra |
| T | Toc | Toc | Tommy | Toc | Tango | Tommy | Toc | Tango |
| U | Uncle | U | Uncle | Uncle | Uniform | Uncle | Uncle | Uniform |
| V | Vic | Vic | Vinegar | Vic | Victor | Vinegar | Vic | Victor |
| W | William | W | William | William | Whisky | William | William | Whisky |
| X | Xerxes | X | X-Ray | Xerxes | X-ray | Xerxes | X-ray | X-ray |
| Y | Uellow | Y | Yorker | Yellow | Yankee | Yellow | Yoke | Yankee |
| Z | Zebra | Zed | Zebra | Zebra | Zulu | Zebra | Zebra | Zulu |
| Letter | NATO | Phonic | APCO 1941 | APCO 1967 | LAPD | CHP | LV MPD | APCO 1974 | ICAO Present | |
| A | Alpha | Al Fah | Adam | Adam | Adam | Adam | Adam | Alpha | Alfa | |
| B | Bravo | Brah Voh | Boy | Boy | Boy | Boy | Baker | Bravo | Bravo | |
| C | Charlie | Char Lee | Charles | Charles | Charles | Charles | Charlie | Charlie | Charlie | |
| D | Delta | Dell Tah | David | David | David | David | David | Delta | Delta | |
| E | Echo | Eck Oh | Edward | Edward | Edward | Edward | Easy | Echo | Echo | |
| F | Foxtrot | Foks Trot | Frank | Frank | Frank | Frank | Frank | Foxtrot | Foxtrot | |
| G | Golf | Golf | George | George | George | George | George | Golf | Golf | |
| H | Hotel | Hoh Tell | Henry | Henry | Henry | Henry | Henry | Hotel | Hotel | |
| I | India | In Dee Ah | Ida | Ida | Ida | Ida | Ida | India | India | |
| J | Juliett | Jew Lee Ett | John | John | John | John | John | Juliett | Juliett | |
| K | Kilo | Key Loh | King | King | King | King | King | Kilo | Kilo | |
| L | Lima | Lee Mah | Lincoln | Lincoln | Lincoln | Lincoln | Lincoln | Lima | Lima | |
| M | Mike | Mike | Mary | Mary | Mary | Mary | Mary | Mike | Mike | |
| N | November | No Vember | Nora | Nora | Nora | Nora | Nora | November | November | |
| O | Oscar | Oss Cah | Ocean | Ocean | Ocean | Ocean | Ocean | Oscar | Oscar | |
| P | Papa | Pah Pah | Paul | Paul | Paul | Paul | Paul | Papa | Papa | |
| Q | Quebec | Keh Beck | Queen | Queen | Queen | Queen | Queen | Quebec | Quebec | |
| R | Romeo | Row Me Oh | Robert | Robert | Robert | Robert | Robert | Romeo | Romeo | |
| S | Sierra | See Airrah | Sam | Sam | Sam | Sam | Sam | Sierra | Sierra | |
| T | Tango | Tang Oh | Tom | Tom | Tom | Tom | Tom | Tango | Tango | |
| U | Uniform | You Nee Form | Union | Union | Union | Union | Union | Uniform | Uniform | |
| V | Victor | Vik Tah | Victor | Victor | Victor | Victor | Victor | Victor | Victor | |
| W | Whiskey | Wiss Key | William | William | William | William | William | Whiskey | Whiskey | |
| X | X-ray | Ecks Ray | Xray | X-ray | X-ray | X-ray | X-ray | Xray | X-ray | |
| Y | Yankee | Yang Kee | Young | Young | Young | Yellow | Yellow | Yankee | Yankee | |
| Z | Zulu | Zoo Loo | Zebra | Zebra | Zebra | Zebra | Zebra | Zulu | Zulu | |
| 0 | ZERO | Zero | Zero | |||||||
| 1 | WUN | One | Wun | |||||||
| 2 | TOO | Two | Too | |||||||
| 3 | TH-R-EE | Three | Tree | |||||||
| 4 | FO-WER | Four | Fower | |||||||
| 5 | FIE-YIV | Five | Five | |||||||
| 6 | SIKS | Six | Six | |||||||
| 7 | SEV-VEN | Seven | Seven | |||||||
| 8 | ATE | Eight | Eight | |||||||
| 9 | NI-YEN | Niner | Niner |