📻.--..../.--....

#ham radio #telegraphy #signal code #shortwave

⚡️`➖•

#morse code signal #electric pulse #telegraphy #dash dot pulse #signal code #electronic communication

l➡️·−··

#morse code l #morse alphabet #dots and dashes #signal code #telegraphy #letter encoding #dit dah

📻⚫️➖⚫️

#morse code #telegraph #radio communication #dots and dashes #signal code

···−−−···

#morse code #distress signal #emergency communication #signal code #rescue signal