What is the telegraph and how does it work?
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techtarget.com
What is the telegraph and how does it work?
A telegraph sends information by making/breaking electrical connections using Morse code encoding. Learn how it led directly to modern communication methods.
Aug 14, 2020
History of Telegraphy
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Transmitting 'QRA' three times using two different Morse code keys: a paddle key and a straight key. What does QRA mean? QRA is a Q-code that means: "What is the name of your station? or "The name of my station is ____". It’s an older Q-code from the maritime/telegraphy days. Nowadays, most hams just say their callsign or name directly, so you don’t hear QRA much outside of historic, military, or formal CW operations. YouTube: https://youtube.com/shorts/qkopWS5dcTA TikTok: https://www.tiktok.com
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