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Q code

Index Q code

This is one of a set of articles on telegraphy. The Q-code is a standardised collection of three-letter codes that each start with the letter "Q". [1]

Table of Contents

  1. 49 relations: ACP 131, Air traffic control, Altimeter setting, Amateur radio, Amateur radio operator, American Radio Relay League, Aviation, Bletchley Park, Brevity code, Call sign, Combined Communications-Electronics Board, Contact (amateur radio), Coordinated Universal Time, Instrument flight rules, International Civil Aviation Organization, International Code of Signals, International maritime signal flags, International Radiotelegraph Convention (1912), International Telecommunication Union, ITU prefix, ITU-R, List of ITU letter codes, Lorenz cipher, Maritime Mobile Service Q Codes, METAR, Miami-Dade County, Florida, Mnemonic, Morse code, National Traffic System, NATO, NOTAM, NOTAM Code, Operating signals, Pilot report, Postmaster General of the United Kingdom, Prosigns for Morse code, QN Signals, QRA locator, QRP operation, QSK operation (full break-in), QSL card, QST, Radio atmospheric signal, Radioteletype, Spark-gap transmitter, Ten-code, Transceiver, Wireless telegraphy, Z code.

  2. Morse code
  3. Operating signals
  4. Telecommunications-related introductions in 1909

ACP 131

ACP-131 is the controlling publication for the listing of and It is published and revised from time to time by the Combined Communications Electronics Board (CCEB) countries: Australia, New Zealand, Canada, United Kingdom, and United States. Q code and ACP 131 are amateur radio and Encodings.

See Q code and ACP 131

Air traffic control

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

See Q code and Air traffic control

Altimeter setting

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

See Q code and Altimeter setting

Amateur radio

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

See Q code and Amateur radio

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. Q code and amateur radio operator are amateur radio.

See Q code and Amateur radio operator

American Radio Relay League

The American Radio Relay League (ARRL) is the largest membership association of amateur radio enthusiasts in the United States. Q code and American Radio Relay League are amateur radio.

See Q code and American Radio Relay League

Aviation

Aviation includes the activities surrounding mechanical flight and the aircraft industry.

See Q code and Aviation

Bletchley Park

Bletchley Park is an English country house and estate in Bletchley, Milton Keynes (Buckinghamshire), that became the principal centre of Allied code-breaking during the Second World War.

See Q code and Bletchley Park

Brevity code

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

See Q code and Brevity code

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 identifier for a transmitter station.

See Q code and Call sign

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.

See Q code and Combined Communications-Electronics Board

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. Q code and contact (amateur radio) are amateur radio.

See Q code and Contact (amateur radio)

Coordinated Universal Time

Coordinated Universal Time (UTC) is the primary time standard globally used to regulate clocks and time.

See Q code and Coordinated Universal Time

Instrument flight rules

In aviation, instrument flight rules (IFR) is one of two sets of regulations governing all aspects of civil aviation aircraft operations; the other is visual flight rules (VFR).

See Q code and Instrument flight rules

International Civil Aviation Organization

The International Civil Aviation Organization (ICAO) is a specialized agency of the United Nations that coordinates the principles and techniques of international air navigation, and fosters the planning and development of international air transport to ensure safe and orderly growth.

See Q code and International Civil Aviation Organization

International Code of Signals

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

See Q code and International Code of Signals

International maritime signal flags

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

See Q code and International maritime signal flags

International Radiotelegraph Convention (1912)

The second International Radiotelegraph Convention met in London, England in 1912.

See Q code and International Radiotelegraph Convention (1912)

International Telecommunication Union

The International Telecommunication Union (ITU)French: Union Internationale des Télécommunications is a specialized agency of the United Nations responsible for many matters related to information and communication technologies.

See Q code and International Telecommunication Union

ITU prefix

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

See Q code and ITU prefix

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 communications.

See Q code and ITU-R

List of ITU letter codes

The radiocommunication division of the International Telecommunication Union uses the following letter codes to identify its member countries.

See Q code and List of ITU letter codes

Lorenz cipher

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

See Q code and Lorenz cipher

Maritime Mobile Service Q Codes

The Maritime Mobile Service Q Codes are art of a larger set of Q Codes designated by the ITU-R. The QOA–QQZ code range is reserved for the Maritime Mobile Service. Q code and Maritime Mobile Service Q Codes are amateur radio and operating signals.

See Q code and Maritime Mobile Service Q Codes

METAR

METAR is a format for reporting weather information.

See Q code and METAR

Miami-Dade County, Florida

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

See Q code and Miami-Dade County, Florida

Mnemonic

A mnemonic device or memory device is any learning technique that aids information retention or retrieval in the human memory, often by associating the information with something that is easier to remember.

See Q code and Mnemonic

Morse code

Morse code is a telecommunications method which encodes text characters as standardized sequences of two different signal durations, called dots and dashes, or dits and dahs. Q code and Morse code are amateur radio and Encodings.

See Q code and Morse code

National Traffic System

The National Traffic System (NTS) is an organized network of amateur radio operators sponsored by the American Radio Relay League for the purpose of relaying messages throughout the U.S. and Canada.

See Q code and National Traffic System

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 of 32 member states—30 European and 2 North American.

See Q code and NATO

NOTAM

A NOTAM (Notice to Airmen, Notice to Air Men, Notice to Airman or Notice to Air Missions) is a notice filed with an aviation authority to alert aircraft pilots of potential hazards along a flight route or at a location that could affect the flight.

See Q code and NOTAM

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.

See Q code and NOTAM Code

Operating signals

Operating signals are a type of brevity code used in operational communication among radio and telegraph operators. Q code and Operating signals are amateur radio.

See Q code and Operating signals

Pilot report

A pilot report or PIREP is a report of actual flight or ground conditions encountered by an aircraft.

See Q code and Pilot report

Postmaster General of the United Kingdom

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

See Q code and Postmaster General of the United Kingdom

Prosigns for Morse code

Procedural signs or prosigns are shorthand signals used in Morse code telegraphy, for the purpose of simplifying and standardizing procedural protocols for landline and radio communication. Q code and prosigns for Morse code are Morse code and operating signals.

See Q code and Prosigns for Morse code

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. Q code and QN Signals are amateur radio, Encodings, Morse code and operating signals.

See Q code and QN Signals

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. Q code and QRA locator are amateur radio.

See Q code and QRA locator

QRP operation

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

See Q code and QRP operation

QSK operation (full break-in)

In CW Morse code operations, QSK or full break-in operation describes an operating mode in which the transmitting station can detect signals from other stations between the elements (dots and dashes) or letters of the Morse transmission. Q code and QSK operation (full break-in) are Morse code.

See Q code and QSK operation (full break-in)

QSL card

A QSL card is a written confirmation of either a two-way radiocommunication between two amateur radio or citizens band stations; a one-way reception of a signal from an AM radio, FM radio, television or shortwave broadcasting station; or the reception of a two-way radiocommunication by a third party listener. Q code and QSL card are amateur radio.

See Q code and QSL card

QST

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

See Q code and QST

Radio atmospheric signal

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.

See Q code and Radio atmospheric signal

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.

See Q code and Radioteletype

Spark-gap transmitter

A spark-gap transmitter is an obsolete type of radio transmitter which generates radio waves by means of an electric spark.

See Q code and Spark-gap transmitter

Ten-code

Ten-codes, officially known as ten signals, are brevity codes used to represent common phrases in voice communication, particularly by US public safety officials and in citizens band (CB) radio transmissions. Q code and ten-code are Encodings.

See Q code and Ten-code

Transceiver

In radio communication, a transceiver is an electronic device which is a combination of a radio ''trans''mitter and a re''ceiver'', hence the name.

See Q code and Transceiver

Wireless telegraphy

Wireless telegraphy or radiotelegraphy is transmission of text messages by radio waves, analogous to electrical telegraphy using cables.

See Q code and Wireless telegraphy

Z code

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

See Q code and Z code

See also

Morse code

Operating signals

References

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

Also known as Q Codes, Q signal, Q signals, Q-code, Q-codes, Q-signal, QNB (amateur radio), QNB:Amateur Radio, QNH, QRN, QRO, QRZ.