How is the distress signal of "SOS" typically transmitted?

The distress signal "SOS" is commonly transmitted via Morse code, which can be communicated using light, sound, or radio transmissions. Morse code represents "SOS" with three short signals, followed by three long signals, and then three short signals again (represented as "··· --- ···"). This signal is universally recognized as a call for help, making it critical for maritime distress situations.

Transmitting SOS through light (like a flashlight) or radio (using a radio transmitter) allows for broad visibility and can reach far distances, especially in emergency situations. The versatility of Morse code in both audio and visual forms enhances its effectiveness for communication in distress scenarios, ensuring that those in need can get help.

Graphic signals, colored lights, or sound signals alone do not encapsulate the full and internationally recognized method of transmitting the "SOS" distress call as effectively as the Morse code option does.