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84 relations: ACARS, Alphabet, Amateur radio, Amateur radio operator, American Radio Relay League, AMTOR, ASCII, Asynchronous serial communication, Audio frequency, Automatic Packet Reporting System, AX.25, Émile Baudot, Baud, Baudot code, Beat frequency oscillator, Boolean algebra, Central processing unit, Chatham, Massachusetts, CLOVER2000, Computer monitor, Control character, Data storage, Detroit, DX Century Club, Electromechanics, Electronics, Fast Simple QSO, Federal Communications Commission, Fldigi, Frequency-shift keying, Hellschreiber, High frequency, Honolulu, Integrated circuit, Intersil, Line level, Linear amplifier, Low frequency, Minimum-shift keying, Modem, Modulation, Morse code, MT63, Multiple frequency-shift keying, NATO, Navtex, New York City, Ogg, Olivia MFSK, PACTOR, ..., Pangram, Personal computer, Philadelphia, Power amplifier classes, PSK31, PSK63, Punched tape, Punctuation, Q code, Q15X25, Radio, Radio Society of Great Britain, RY (test signal), Sailmail, San Francisco, Serial communication, Shift register, Single-sideband modulation, SITOR, Sound card, Spectral efficiency, Telecommunication, Teleprinter, Telex, Terminal emulator, The quick brown fox jumps over the lazy dog, Transceiver, Types of radio emissions, United States Department of the Navy, Universal asynchronous receiver-transmitter, Very low frequency, Words per minute, Worked All Continents, WSJT (amateur radio software). Expand index (34 more) »
ACARS
In aviation, ACARS (an acronym for aircraft communications addressing and reporting system) is a digital datalink system for transmission of short messages between aircraft and ground stations via airband radio or satellite.
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Alphabet
An alphabet is a standard set of letters (basic written symbols or graphemes) that is used to write one or more languages based upon the general principle that the letters represent phonemes (basic significant sounds) of the spoken language.
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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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AMTOR
AMTOR (Amateur Teleprinting Over Radio) is a type of telecommunications system that consists of two or more electromechanical teleprinters in different locations that send and receive messages to one another.
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ASCII
ASCII, abbreviated from American Standard Code for Information Interchange, is a character encoding standard for electronic communication.
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Asynchronous serial communication
Asynchronous serial communication is a form of serial communication in which the communicating endpoints' interfaces are not continuously synchronized by a common clock signal.
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Audio frequency
An audio frequency (abbreviation: AF) or audible frequency is characterized as a periodic vibration whose frequency is audible to the average human.
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Automatic Packet Reporting System
Automatic Packet Reporting System (APRS) is an amateur radio-based system for real time digital communications of information of immediate value in the local area.
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AX.25
AX.25 (Amateur X.25) is a data link layer protocol derived from the X.25 protocol suite and designed for use by amateur radio operators.
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Émile Baudot
Jean-Maurice-Émile Baudot (11 September 1845 – 28 March 1903), French telegraph engineer and inventor of the first means of digital communication Baudot code, was one of the pioneers of telecommunications.
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Baud
In telecommunication and electronics, baud (symbol: Bd) is a common measure of the speed of communication over a data channel.
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Baudot code
The Baudot code, invented by Émile Baudot, is a character set predating EBCDIC and ASCII.
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Beat frequency oscillator
In a radio receiver, a beat frequency oscillator or BFO is a dedicated oscillator used to create an audio frequency signal from Morse code radiotelegraphy (CW) transmissions to make them audible.
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Boolean algebra
In mathematics and mathematical logic, Boolean algebra is the branch of algebra in which the values of the variables are the truth values true and false, usually denoted 1 and 0 respectively.
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Central processing unit
A central processing unit (CPU) is the electronic circuitry within a computer that carries out the instructions of a computer program by performing the basic arithmetic, logical, control and input/output (I/O) operations specified by the instructions.
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Chatham, Massachusetts
Chatham is a town in Barnstable County, Massachusetts, United States, And is apart of Barnstable County.
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CLOVER2000
CLOVER is the name of a series or class of modem modulation techniques (“waveforms”) specifically designed for use over high frequency (HF) radio systems.
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Computer monitor
A computer monitor is an output device which displays information in pictorial form.
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Control character
In computing and telecommunication, a control character or non-printing character is a code point (a number) in a character set, that does not represent a written symbol.
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Data storage
Data storage is the recording (storing) of information (data) in a storage medium.
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Detroit
Detroit is the most populous city in the U.S. state of Michigan, the largest city on the United States–Canada border, and the seat of Wayne County.
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DX Century Club
The DX Century Club, or DXCC, is an amateur radio operating award earned by making contacts with licensed amateur operators in at least 100 "countries" (i.e. geographic locations listed in the rules for the award) around the world, many of which are physically distant from the claimant (i.e.DX).
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Electromechanics
In engineering, electromechanics combines processes and procedures drawn from electrical engineering and mechanical engineering.
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Electronics
Electronics is the discipline dealing with the development and application of devices and systems involving the flow of electrons in a vacuum, in gaseous media, and in semiconductors.
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Fast Simple QSO
Fast Simple QSO (FSQ) is an amateur radio digital differential frequency modulation mode developed by Con Wassilieff ZL2AFP with Murray Greenman ZL1BPU in 2015.
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Federal Communications Commission
The Federal Communications Commission (FCC) is an independent agency of the United States government created by statute (and) to regulate interstate communications by radio, television, wire, satellite, and cable.
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Fldigi
Fldigi, the Fast Light Digital modem application, is a free and open-source program which allows an ordinary computer's sound card to be used as a simple two-way data modem.
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Frequency-shift keying
Frequency-shift keying (FSK) is a frequency modulation scheme in which digital information is transmitted through discrete frequency changes of a carrier signal.
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Hellschreiber
The Hellschreiber, Feldhellschreiber or Typenbildfeldfernschreiber (also Hell-Schreiber named after its inventor Rudolf Hell) is a facsimile-based teleprinter invented by Rudolf Hell.
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High frequency
High frequency (HF) is the ITU designation for the range of radio frequency electromagnetic waves (radio waves) between 3 and 30 megahertz (MHz).
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Honolulu
Honolulu is the capital and largest city of the U.S. state of Hawaiokinai.
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Integrated circuit
An integrated circuit or monolithic integrated circuit (also referred to as an IC, a chip, or a microchip) is a set of electronic circuits on one small flat piece (or "chip") of semiconductor material, normally silicon.
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Intersil
Intersil is an American semiconductor company headquartered in Milpitas, California.
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Line level
Line level is the specified strength of an audio signal used to transmit analog sound between audio components such as CD and DVD players, television sets, audio amplifiers, and mixing consoles.
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Linear amplifier
A linear amplifier is an electronic circuit whose output is proportional to its input, but capable of delivering more power into a load.
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Low frequency
Low frequency (low freq) or LF is the ITU designation for radio frequencies (RF) in the range of 30 kilohertz (kHz)–300 kHz.
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Minimum-shift keying
In digital modulation, minimum-shift keying (MSK) is a type of continuous-phase frequency-shift keying that was developed in the late 1950s and 1960s.
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Modem
A modem (modulator–demodulator) is a network hardware device that modulates one or more carrier wave signals to encode digital information for transmission and demodulates signals to decode the transmitted information.
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Modulation
In electronics and telecommunications, modulation is the process of varying one or more properties of a periodic waveform, called the carrier signal, with a modulating signal that typically contains information to be transmitted.
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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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MT63
MT63 is a digital radio modulation mode for transmission in high-noise situations developed by Pawel Jalocha SP9VRC.
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Multiple frequency-shift keying
Multiple frequency-shift keying (MFSK) is a variation of frequency-shift keying (FSK) that uses more than two frequencies.
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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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Navtex
Navtex (Navigational Telex) is an international automated medium frequency direct-printing service for delivery of navigational and meteorological warnings and forecasts, as well as urgent maritime safety information to ships.
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New York City
The City of New York, often called New York City (NYC) or simply New York, is the most populous city in the United States.
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Ogg
Ogg is a free, open container format maintained by the Xiph.Org Foundation.
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Olivia MFSK
Olivia MFSK is an amateur radioteletype protocol, using multiple frequency-shift keying (MFSK) and designed to work in difficult (low signal-to-noise ratio plus multipath propagation) conditions on shortwave bands.
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PACTOR
PACTOR is a radio modulation mode used by amateur radio operators, marine radio stations, and radio stations in isolated areas to send and receive digital information via radio.
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Pangram
A pangram (παν γράμμα, pan gramma, "every letter") or holoalphabetic sentence is a sentence using every letter of a given alphabet at least once.
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Personal computer
A personal computer (PC) is a multi-purpose computer whose size, capabilities, and price make it feasible for individual use.
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Philadelphia
Philadelphia is the largest city in the U.S. state and Commonwealth of Pennsylvania, and the sixth-most populous U.S. city, with a 2017 census-estimated population of 1,580,863.
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Power amplifier classes
Power amplifier classes are, in electronics, letter symbols applied to different power amplifier types.
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PSK31
PSK31 or "Phase Shift Keying, 31 Baud", also BPSK31 and QPSK31, is a popular computer-sound card-generated radioteletype mode, used primarily by amateur radio operators to conduct real-time keyboard-to-keyboard chat, most often using frequencies in the high frequency amateur radio bands (near-shortwave).
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PSK63
PSK63 (meaning Phase Shift Keying at a rate of 63 baud) is a digital radio modulation mode used primarily in the amateur radio field to conduct real-time keyboard-to-keyboard informal text chat between amateur radio operators.
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Punched tape
Punched tape or perforated paper tape is a form of data storage, consisting of a long strip of paper in which holes are punched to store data.
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Punctuation
Punctuation (formerly sometimes called pointing) is the use of spacing, conventional signs, and certain typographical devices as aids to the understanding and correct reading of handwritten and printed text, whether read silently or aloud.
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Q code
The Q code is a standardized collection of three-letter codes all of which start with the letter "Q".
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Q15X25
Q15X25 is a communications protocol for sending data over a radio link.
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Radio
Radio is the technology of using radio waves to carry information, such as sound, by systematically modulating properties of electromagnetic energy waves transmitted through space, such as their amplitude, frequency, phase, or pulse width.
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Radio Society of Great Britain
The Radio Society of Great Britain (RSGB), first founded in 1913 as the London Wireless Club, is the United Kingdom's recognised national society for amateur radio operators.
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RY (test signal)
RYRYRYRY... is a character string that was widely used to test a five-level teleprinter or RTTY channel.
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Sailmail
SailMail is radio based e-mail system designed for boat owners operating beyond line-of-sight radio links to the internet.
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San Francisco
San Francisco (initials SF;, Spanish for 'Saint Francis'), officially the City and County of San Francisco, is the cultural, commercial, and financial center of Northern California.
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Serial communication
In telecommunication and data transmission, serial communication is the process of sending data one bit at a time, sequentially, over a communication channel or computer bus.
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Shift register
In digital circuits, a shift register is a cascade of flip flops, sharing the same clock, in which the output of each flip-flop is connected to the 'data' input of the next flip-flop in the chain, resulting in a circuit that shifts by one position the 'bit array' stored in it, 'shifting in' the data present at its input and 'shifting out' the last bit in the array, at each transition of the clock input.
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Single-sideband modulation
In radio communications, single-sideband modulation (SSB) or single-sideband suppressed-carrier modulation (SSB-SC) is a type of modulation, used to transmit information, such as an audio signal, by radio waves.
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SITOR
SITOR (SImplex Teletype Over Radio) is a system for transmitting text messages.
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Sound card
A sound card (also known as an audio card) is an internal expansion card that provides input and output of audio signals to and from a computer under control of computer programs.
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Spectral efficiency
Spectral efficiency, spectrum efficiency or bandwidth efficiency refers to the information rate that can be transmitted over a given bandwidth in a specific communication system.
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Telecommunication
Telecommunication is the transmission of signs, signals, messages, words, writings, images and sounds or information of any nature by wire, radio, optical or other electromagnetic systems.
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Teleprinter
A teleprinter (teletypewriter, Teletype or TTY) is an electromechanical typewriter that can be used to send and receive typed messages through various communications channels, in both point-to-point and point-to-multipoint configurations.
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Telex
The telex network was a public switched network of teleprinters similar to a telephone network, for the purposes of sending text-based messages.
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Terminal emulator
A terminal emulator, terminal application, or term, is a program that emulates a video terminal within some other display architecture.
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The quick brown fox jumps over the lazy dog
"The quick brown fox jumps over the lazy dog" is an English-language pangram—a sentence that contains all of the letters of the alphabet.
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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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Types of radio emissions
The International Telecommunication Union uses an internationally agreed system for classifying radio frequency signals.
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United States Department of the Navy
The United States Department of the Navy (DoN) was established by an Act of Congress on April 30, 1798 (initiated by the recommendation of James McHenry),Bernard C. Steiner and James McHenry, (Cleveland: Burrows Brothers Co., 1907).
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Universal asynchronous receiver-transmitter
A universal asynchronous receiver-transmitter (UART) is a computer hardware device for asynchronous serial communication in which the data format and transmission speeds are configurable.
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Very low frequency
Very low frequency or VLF is the ITU designation for radio frequencies (RF) in the range of 3 to 30 kilohertz (kHz), corresponding to wavelengths from 100 to 10 kilometers, respectively.
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Words per minute
Words per minute, commonly abbreviated wpm (sometimes uppercased WPM), is a measure of words processed in a minute, often used as a measurement of the speed of typing, reading or Morse code sending and receiving.
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Worked All Continents
Worked All Continents, or WAC, is an amateur radio award given to those amateur radio operators who successfully complete two-way amateur radio communications with other amateur radio stations, one of which must be located in each of the six continental areas of the world.
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WSJT (amateur radio software)
WSJT is a computer program used for weak-signal radio communication between amateur radio operators.
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Redirects here:
RTTY, Radio teletype, Radio teletypewriter, Radiotelex, Rotty.
References
[1] https://en.wikipedia.org/wiki/Radioteletype
