radiotelegraphy
/'reidiouti'legrəfi/
Definition
- Noun:
- Wireless telegraphy: The technology or process of sending telegraphic messages using radio waves, typically employing Morse code, as opposed to using physical wires or cables for transmission.
Usage
- General use: Refers to the historical method of long-distance communication.
- Early 20th-century ships relied on radiotelegraphy for distress calls.
- The invention of radiotelegraphy revolutionized maritime communication.
Advanced Usage
- Technical context: Often discussed in the history of technology, telecommunications, or amateur radio (ham radio) operations.
- The study of radiotelegraphy includes understanding modulation techniques for continuous-wave signals.
- Many radio enthusiasts still practice radiotelegraphy as a skilled hobby.
Variants and Related Words
- Radiotelegraph (noun): A message sent by this method; also, the apparatus used.
- The operator received a vital radiotelegraph.
- Radiotelegraphic (adjective): Pertaining to radiotelegraphy.
- The ship was equipped with radiotelegraphic apparatus.
- Wireless telegraphy: A direct synonym for radiotelegraphy.
Synonyms
- Wireless telegraphy: The most common synonym, emphasizing the absence of wires.
- Radio telegraphy: A variant form with identical meaning.
Related Phrases
- Spark-gap telegraphy: An early, specific form of radiotelegraphy.
- Spark-gap telegraphy was the precursor to more modern radio systems.
Noun
-
the use of radio to send telegraphic messages (usually by Morse code)
-
telegraphy that uses transmission by radio rather than by wire
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