OCR Text |
Show Distress Signal The letters "SOS" are i purely arbitrary radio signal of distress, adopted by the international radio conference in 1912 because of the simplicity of the code letters, which are easy to transmit and unlikely to be mistaken for any other signal. sig-nal. There Is no reason why foreign for-eign nalious should adopt a signal of this kind, if it stood for the Initials of any English words. In the early days of wireless signaling signal-ing the letters CQD were used for the fwirpose and wero commonly understood to signify "Come quick, danger." |