About: Wireless telegraphy

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Method of communication

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  • moyen de communication (fr)
  • medio de comunicación (es)
  • enviament de Missatges Morse a través d'ones de Ràdio (ca)
  • वायरलेस टेलीग्राफी या रेडियोटेलीग्राफी रेडियो तरंगों द्वारा टेलीग्राफ संकेतों का प्रसारण है। लगभग 1910 से पहले, वायरलेस टेलीग्राफी शब्द का इस्तेमाल अन्य प्रायोगिक तकनीकों के लिए भी किया जाता था, जो बिना तारों के टेलीग्राफ सिग्नल प्रसार (hi)
  • 배와 비행기의 전신통신을 위해 삿용되는 무선 통신기 (ko)
  • method of communication (en)
  • način komuniciranja (sl)
  • ဆက်သွယ်ရေးနည်းလမ်း (my)
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  • right (en)
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  • Modern amateur radio operator transmitting Morse code (en)
  • British Post Office engineers inspect Marconi's transmitter ' and receiver ' on Flat Holm, May 1897 (en)
  • Typical commercial radiotelegraphy receiver from the first decade of the 20th century. The "dots" and "dashes" of Morse code were recorded in ink on paper tape by a siphon recorder . (en)
  • Illustration from 1912 of a radiotelegraph operator on a ship sending an emergency SOS call for help (en)
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  • Radiotelegraph receiver from 1914.jpg (en)
  • NW7US at the Morse-code Key.jpg (en)
  • Post Office Engineers.jpg (en)
  • Thesos.jpg (en)
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  • Wireless telegraphy (en)
  • Radiotelegrafia (ca)
  • إبراق لاسلكي (ar)
  • Sendrata telegrafio (eo)
  • Telegrafía sin hilos (es)
  • Télégraphie sans fil (fr)
  • Telegraf nirkabel (in)
  • 무선전신기 (ko)
  • 無線電信 (ja)
  • Radiotelegrafie (nl)
  • Telegraf bezprzewodowy (pl)
  • Радиотелеграф (ru)
  • Радіотелеграф (uk)
  • 無線電報 (zh)
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