Ten-code: Difference between revisions

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'''Ten-codes''', or '''10-codes''', are used in two-way voice [[radio]] communication as numeric [[codeword]]s for frequently used messages. They originated in the [[United States]] [[law enforcement]] community before [[World War II]]. The first set of 10-codes was published by the Association of Public-Safety Communications Officials, or APCO, in January of 1940. There is no universal, official set of 10-codes, and the meanings of a particular 10-code can vary between one jurisdiction and another: a code meaning "I have the suspect in custody" in one state can mean "Send an ambulance" in a second state, and have yet another meaning in a third. To overcome large 10-code lists some agencies have adopted other code lists such as 11-codes, 12-codes, and so forth.

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==Origins and professional use==

The first set of 10-codes was published by the Association of Public-Safety Communications Officials, or APCO, in January of 1940. There is no universal, official set of 10-codes, and the meanings of a particular 10-code can vary between one jurisdiction and another: a code meaning "I have the suspect in custody" in one state can mean "Send an ambulance" in a second state, and have yet another meaning in a third. To overcome large 10-code lists some agencies have adopted other code lists such as 11-codes, 12-codes, and so forth.

Ten-codes were adopted with enthusiasm by the [[Citizen's Band]] craze, first in the US, then shortly afterwards in the [[United Kingdom|UK]] and elsewhere. The codes were extended and changed to reflect the sorts of things that CBers wanted to refer to, rather than law enforcement usage, etc. During the [[CB radio in the United Kingdom|height of the fad]] in the UK (around [[1980]]), new ten codes were seemingly made up on the spot, used in the local area for a short time, then disappeared again.

==Unofficial use (e.g. CB radio)==

The following is a sample of commonly used 10-codes, submitted for purposes of illustration. It is common for a 10-code to have numeric gaps.

Ten-codes were adopted with enthusiasm by the [[Citizen's Band]] craze, first in the US, then shortly afterwards in the [[United Kingdom|UK]] and elsewhere. The codes were extended and changed to reflect the sorts of things that CBers wanted to refer to, rather than law enforcement usage, etc. During the [[CB radio in the United Kingdom|height of the fad]] in the UK (around [[1980]]), new ten -codes were seemingly made up on the spot, used in the local area for a short time, then disappeared again.

* 10-1 Poor reception

* 10-2 Good reception

==List of commonly used ten-codes==

* 10-3 Stop transmitting

* 10-4 Message received, affirmative, ok

The following is a sample of commonly used 10-codes, submitted for purposes of illustration. It is common for a 10-codecodes to have numeric gaps between them.

* 10-5 Relay this information to ___.

* 10-6 Busy

* 10-71 Outpoor of servicereception

* 10-82 Ingood servicereception

* 10-93 Pleasestop repeat your messagetransmitting

* 10-4 Messagemessage received, affirmative, ok

* 10-10 Negative

* 10-5 Relayrelay this information to ___.

* 10-12 Standby

* 10-6 Busybusy

* 10-13 Civilians present and listening

* 10-157 Enrouteout toof station with suspectservice

* 10-188 Urgentin service

* 10-199 Returnplease torepeat stationyour message

* 10-10 Negativenegative

* 10-20 Specify ___location/My ___location is ___.

* 10-12 Standbystandby

* 10-21 Place a phone call to ___.

* 10-13 Civilianscivilians present and listening

* 10-22 Disregard

* 10-2315 Standenroute byto onstation thiswith frequencysuspect

* 10-18 urgent

* 10-33 Emergency traffic follows. Hold routine messages.

* 10-3419 Frequencyreturn opento (cancels 10-33)station

* 10-20 Specifyspecify ___location/Mymy ___location is ___.

* 10-36 What is the correct time of day?

* 10-3921 Falseplace alarm,a premisesphone wascall occupiedto ___.

* 10-22 Disregarddisregard

* 10-40 False alarm, no activity, premises appears secure

* 10-4123 Beginstand watchby on this frequency

* 10-33 Emergencyemergency traffic follows., Holdhold routine messages.

* 10-42 End watch

* 10-34 frequency open (cancels 10-33)

* 10-45 Fueling vehicle

* 10-36 Whatwhat is the correct time of day?

* 10-49 Enroute to assignment

* 10-39 false alarm, premises was occupied

* 10-40 Falsefalse alarm, no activity, premises appears secure

* 10-41 begin watch

* 10-42 Endend watch

* 10-45 Fuelingfueling vehicle

* 10-49 Enrouteenroute to assignment

* 10-50 accident

* 10-51 tow truck needed

* 10-52 ambulance needed

* 10-53 road blocked at ---___.

* 10-54 animals on highway

* 10-55 security check

* 10-57 [[hit and run (vehicular)|hit-and-run]] accident

* 10-58 direct traffic

* 10-59 escort

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* 10-73 smoke report

* 10-74 negative

* 10-75 in contact with ---___.

* 10-76 enroute

* 10-77 [[estimated time of arrival|ETA]] ___.

* 10-78 need assistance

* 10-79 bomb threat, coroner's case

* 10-80 bomb has exploded

* 10-81 Breathalyzer[[breathalyzer]] report

* 10-82 reserve lodging

* 10-83 work school crossing at ___.

* 10-84 if meeting ---___, advise ETA

* 10-85 delay due to ---___.

* 10-86 officer on-duty

* 10-87 pickup

* 10-88 present phone number of ---___.

* 10-89 bomb threat

* 10-90 bank alarm at ---___.

* 10-91 pick up prisoner

* 10-92 improperly parked vehicle

* 10-93 blockage

* 10-94 [[drag racing]]

* 10-95 prisoner/subject in custody

* 10-96 psych patient