3.1K views · 51 reactions | Master Morse Code Prosigns: From SOS to 73! Did you know Morse code has its own shorthand? From SOS in emergencies to 73 for ‘best regards,’ prosigns make communication faster and easier. Watch the full guide to mastering Morse code prosigns here: https://youtu.be/IF8pXroINrI #HamRadio #MorseCode #Prosigns #CWskills #LearnCW | Ham Radio Prep | Facebook

On April 27, 1791, Samuel Morse was born. Morse developed in the 1830s what became known as Morse Code, the primary language used in the transmission of messages using an electric telegraph machine. The telegraph, using Morse Code, is intimately tied to the development of Sacramento starting in the 1850s. In 1854, the Alta Telegraph Company built a telegraph line between Sacramento and Nevada City. Other lines started to connect Sacramento to other cities in California. On October 24, 1861, the