Subelement A: — Topic :
Question 6A555
Element 6 (Radiotelegraph)In the transmission of the international Morse code, what are the relative time lengths of dashes, dots?
Explanation
In International Morse code, the fundamental unit of time for all elements is the length of a dot (often called a "dit"). A dash (often called a "dah") is defined as being three times the duration of a single dot. This precise 3:1 ratio is a cornerstone of the code's design, ensuring that signals are consistently distinguishable and decodable across different transmission speeds and operators.
Therefore, option C is correct: Dashes are about three times as long as dots. Options A and B propose incorrect ratios that would fundamentally alter the code's structure, making it unintelligible. The strict adherence to these timing standards allows for accurate and reliable communication using Morse code, a vital skill in amateur radio.
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