5 min read
2026-03-08
Despite its age, Morse code remains relevant in several areas.
Amateur radio operators around the world use Morse code (CW) for long-distance contacts. At low power, Morse gets through where voice communication fails.
In extreme situations, the SOS signal can be transmitted with a flashlight, by tapping, or by whistling. It is a universal distress language.
People with limited mobility use Morse code for text input. Two switches (dot and dash) allow them to compose messages.
Learning the basics of telecommunications
History of communication development
Cryptography and encoding
Quest and geocache creators use Morse code to encrypt clues and coordinates.
Morse code appears in jewelry (bracelets with names in code), tattoos, and design elements.
Studying Morse code helps to better understand the history of world wars and the role of communication in military operations.
See also: Binary Text, Unicode Lookup, HTML Encoding