When the first radios and telegraph lines were put into service, essentially the only way to communicate was to use Morse code. The first transmitters had extremely inefficient designs by today’s ...
Late in the nineteenth century, Guglielmo Marconi began experimenting with electromagnetic waves to send signals. At that time, the telegraph wire was the quickest way to get messages from here to ...
The wireless technology that saved hundreds from the shipwreck was in its infancy, and competing distress signals didn’t help. Initially developed in the late 1800s, the Marconi telegraph used long ...
National Post Day is observed annually on October 10, serving as an extension of World Post Day on October 9. This day honors the vital role played by all employees of India Post in keeping the nation ...