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The Q code is a standardized collection of three-letter codes all of which start with the letter "Q". [1]

48 relations: ACP 131, Air traffic control, Altimeter setting, Amateur radio, Amateur radio operator, American Radio Relay League, Atmospheric pressure, Aviation, Bletchley Park, Brevity code, Call sign, Combined Communications-Electronics Board, Contact (amateur radio), Government, International Civil Aviation Organization, International Code of Signals, International maritime signal flags, International Radiotelegraph Convention (1912), International Telecommunication Union, ITU prefix, ITU-R, Language, Lorenz cipher, Maritime Mobile Service Q Codes, Miami–Dade County, Florida, Mnemonic, Morse code, NATO, NOTAM Code, Operating signals, Postmaster General of the United Kingdom, Pressure altitude, Prosigns for Morse code, QN Signals, QNH, QRA locator, QRP operation, QSK operation (full break-in), QSL card, QST, Radio atmospheric, Radioteletype, Spark-gap transmitter, Ten-code, Transceiver, United Kingdom, Wireless telegraphy, Z code.

ACP 131

ACP-131 is the controlling publication for the listing of Q codes and Z codes.

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Air traffic control

Air traffic control (ATC) is a service provided by ground-based air traffic controllers who direct aircraft on the ground and through controlled airspace, and can provide advisory services to aircraft in non-controlled airspace.

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Altimeter setting

Altimeter setting is the value of the atmospheric pressure used to adjust the sub-scale of a pressure altimeter so that it indicates the height of an aircraft above a known reference surface.

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Amateur radio

Amateur radio, also known as ham radio, describes the use of radio frequency spectrum for purposes of non-commercial exchange of messages, wireless experimentation, self-training, private recreation, radiosport, contesting, and emergency communication.

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Amateur radio operator

An amateur radio operator is someone who uses equipment at an amateur radio station to engage in two-way personal communications with other amateur operators on radio frequencies assigned to the amateur radio service.

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American Radio Relay League

The American Radio Relay League (ARRL) is the largest membership association of amateur radio enthusiasts in the USA.

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Atmospheric pressure

Atmospheric pressure, sometimes also called barometric pressure, is the pressure within the atmosphere of Earth (or that of another planet).

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Aviation

Aviation, or air transport, refers to the activities surrounding mechanical flight and the aircraft industry.

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Bletchley Park

Bletchley Park was the central site for British (and subsequently, Allied) codebreakers during World War II.

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Brevity code

Brevity codes are used in amateur radio, maritime, aviation and military communications.

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Call sign

In broadcasting and radio communications, a call sign (also known as a call name or call letters—and historically as a call signal—or abbreviated as a call) is a unique designation for a transmitter station.

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Christmas

Christmas is an annual festival commemorating the birth of Jesus Christ,Martindale, Cyril Charles.

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Christmas and holiday season

The Christmas season, also called the festive season, or the holiday season (mainly in the U.S. and Canada; often simply called the holidays),, is an annually recurring period recognized in many Western and Western-influenced countries that is generally considered to run from late November to early January.

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Christmas Eve

Christmas Eve is the evening or entire day before Christmas Day, the festival commemorating the birth of Jesus.

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Christmas traditions

Christmas traditions vary from country to country.

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Combined Communications-Electronics Board

The Combined Communications-Electronics Board (CCEB) is a five-nation joint military communications-electronics (C-E) organisation whose mission is the coordination of any military C-E matter that is referred to it by a member nation.

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Contact (amateur radio)

An amateur radio contact, more commonly referred to as simply a "contact", is an exchange of information between two amateur radio stations.

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Government

A government is the system or group of people governing an organized community, often a state.

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International Civil Aviation Organization

The International Civil Aviation Organization (ICAO Organisation de l'aviation civile internationale, OACI), is a specialized agency of the United Nations.

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International Code of Signals

The International Code of Signals (ICS) is an international system of signals and codes for use by vessels to communicate important messages regarding safety of navigation and related matters.

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International maritime signal flags

International maritime signal flags refers to various flags used to communicate with ships.

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International Radiotelegraph Convention (1912)

The International Radiotelegraph Convention (1912) established an agreement to allow the exchange of radio telegraphs (with the intention to connect this new network to wired telegraph).

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International Telecommunication Union

The International Telecommunication Union (ITU; Union Internationale des Télécommunications (UIT)), originally the International Telegraph Union (Union Télégraphique Internationale), is a specialized agency of the United Nations (UN) that is responsible for issues that concern information and communication technologies.

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ITU prefix

The International Telecommunication Union (ITU) allocates call sign prefixes for radio and television stations of all types.

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ITU-R

The ITU Radiocommunication Sector (ITU-R) is one of the three sectors (divisions or units) of the International Telecommunication Union (ITU) and is responsible for radio communication.

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Language

Language is a system that consists of the development, acquisition, maintenance and use of complex systems of communication, particularly the human ability to do so; and a language is any specific example of such a system.

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Lorenz cipher

The Lorenz SZ40, SZ42a and SZ42b were German rotor stream cipher machines used by the German Army during World War II.

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Maritime Mobile Service Q Codes

Part of a larger set of Q Codes designated by the ITU-R, the QOA–QQZ code range is reserved for the Maritime Mobile Service.

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Miami–Dade County, Florida

Miami-Dade County is a county located in the southeastern part of the U.S. state of Florida.

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Mnemonic

A mnemonic (the first "m" is silent) device, or memory device, is any learning technique that aids information retention or retrieval (remembering) in the human memory.

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Morse code

Morse code is a method of transmitting text information as a series of on-off tones, lights, or clicks that can be directly understood by a skilled listener or observer without special equipment.

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NATO

The North Atlantic Treaty Organization (NATO; Organisation du Traité de l'Atlantique Nord; OTAN), also called the North Atlantic Alliance, is an intergovernmental military alliance between 29 North American and European countries.

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NOTAM Code

NOTAM Code is an aeronautical radiotelegraph and radiotelephony brevity code used to transmit information about radio navigation aids, airports, lighting facilities, dangers to aircraft, and actions related to search and rescue.

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New Year

New Year is the time or day at which a new calendar year begins and the calendar's year count increments by one.

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New Year's Day

New Year's Day, also called simply New Year's or New Year, is observed on January 1, the first day of the year on the modern Gregorian calendar as well as the Julian calendar.

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New Year's Eve

In the Gregorian calendar, New Year's Eve (also known as Old Year's Day or Saint Sylvester's Day in many countries), the last day of the year, is on 31 December which is the seventh day of Christmastide.

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Operating signals

Operating signals are one type of brevity code wherein the signals are designed and used primarily to support the communication of the communications (radio and telegraph) operators among themselves with respect to communications operations, instead of communicating abbreviated messages about non-communications related activities.

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Postmaster General of the United Kingdom

The Postmaster General of the United Kingdom was a Cabinet-level ministerial position in HM Government.

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Pressure altitude

Pressure altitude within the atmosphere is the altitude in the International Standard Atmosphere (ISA) with the same atmospheric pressure as that of the part of the atmosphere in question.

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Prosigns for Morse code

Procedure signs or prosigns are shorthand signals used in radio telegraphy procedures, for the purpose of simplifying and standardizing communications related to radio operating issues among two or more radio operators.

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QN Signals

The QN Signals are Morse code operating signals that were introduced for Amateur radio net operation in 1939 on the Michigan QMN Net to lighten the burdens of net control operators.

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QNH

QNH is a Q code indicating the atmospheric pressure adjusted to mean sea level.

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QRA locator

The QRA locator, also called QTH locator in some publications, is an obsolete geographic coordinate system used by amateur radio operators in Europe before the introduction of the Maidenhead Locator System.

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QRP operation

In amateur radio, QRP operation refers to transmitting at reduced power while attempting to maximize one's effective range.

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QSK operation (full break-in)

Turning over a communications channel is the change in communications protocol transmission status that occurs when a transmitting station releases transmitting control of a communications channel thus turning it over to allow another station to transmit.

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QSL card

A QSL card is a written confirmation of either a two-way radiocommunication between two amateur radio stations or a one-way reception of a signal from an AM radio, FM radio, television or shortwave broadcasting station.

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QST

QST is a magazine for amateur radio enthusiasts, published by the American Radio Relay League (ARRL).

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Radio atmospheric

A radio atmospheric signal or sferic (sometimes also spelled "spheric") is a broadband electromagnetic impulse that occurs as a result of natural atmospheric lightning discharges.

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Radioteletype

Radioteletype (RTTY) is a telecommunications system consisting originally of two or more electromechanical teleprinters in different locations connected by radio rather than a wired link.

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Spark-gap transmitter

A spark-gap transmitter is a device that generates radio frequency electromagnetic waves using a spark gap.

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Ten-code

Ten-codes, officially known as ten signals, are brevity codes used to represent common phrases in voice communication, particularly by law enforcement and in Citizens Band (CB) radio transmissions.

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Transceiver

A transceiver is a device comprising both a transmitter and a receiver that are combined and share common circuitry or a single housing.

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United Kingdom

The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain,Usage is mixed with some organisations, including the and preferring to use Britain as shorthand for Great Britain is a sovereign country in western Europe.

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Wireless telegraphy

Wireless telegraphy is the transmission of telegraphy signals from one point to another by means of an electromagnetic, electrostatic or magnetic field, or by electrical current through the earth or water.

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Z code

Z Code (like Q Code and X Code) is a set of operating signals used in CW, TTY and RTTY radio communication.

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2018

2018 has been designated as the third International Year of the Reef by the International Coral Reef Initiative.

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2019

2019 (MMXIX) will be a common year starting on Tuesday of the Gregorian calendar, the 2019th year of the Common Era (CE) and Anno Domini (AD) designations, the 19th year of the 3rd millennium, the 19th year of the 21st century, and the 10th and last year of the 2010s decade.

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Redirects here:

Q Code, Q Codes, Q codes, Q signal, Q signals, Q-code, Q-codes, Q-signal, QNB (amateur radio), QNB:Amateur Radio, QRN, QRO, QRZ, Qra, Qro.

References

[1] https://en.wikipedia.org/wiki/Q_code

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