Radio telegraphy played a crucial role in early communication, especially for maritime and military use. Each station was assigned unique identification numbers to ensure proper recognition and avoid confusion. These codes were essential for maintaining order and security in global radio traffic.
The images below showcase some of the historical radio telegraph identification numbers used during the mid-20th century. They provide a glimpse into how stations were uniquely marked for transmission and reception. The first image displays a numbered list with clear formatting, while the second shows a similar layout with slight variations in spacing and numbering. The third image continues the pattern, highlighting the importance of standardized identification systems.
These documents serve as valuable historical records, reflecting the evolution of radio communication and the need for structured protocols. Whether for official use or personal interest, such materials offer insight into the technical and operational side of early radio technology.
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