Nov 222025
SOS became the international distress signal in 1906. SOS is • • • ▬ ▬ ▬ • • • in the International Alphabet. Children could learn a bit about Morse code. They could practice sending SOS in Morse code.
SOS became the international distress signal in 1906. SOS is • • • ▬ ▬ ▬ • • • in the International Alphabet. Children could learn a bit about Morse code. They could practice sending SOS in Morse code.