Posts

How does Semaphore Signalling work?

  Semaphore signaling is a visual communication system that uses a set of flags or paddles to send messages over a distance. Semaphore was widely used in the 19th century as a means of communicating over long distances, particularly between ships at sea or military outposts on land. Although semaphore is no longer widely used today, it played an important role in the development of modern communication technology. The semaphore system consists of two flags or paddles that can be moved into various positions to represent different letters and numbers. Each flag is typically a rectangular piece of fabric, about two feet long and one foot wide, attached to a long pole or staff. The flags are held at the end of the staff, which is raised and lowered to different positions to signal different letters and numbers. To use the semaphore system, the sender and receiver must both know the code. The semaphore code consists of a set of predefined signals that represent each letter and number. For
Post a Comment
Read more

How is Morse Code still used?

  Morse code is a communication system that was developed in the early 19th century by Samuel Morse and Alfred Vail. It consists of a series of dots and dashes that represent letters of the alphabet, numerals, and punctuation marks. Although Morse code has largely been replaced by newer communication technologies, it is still used in some contexts today. One of the most common uses of Morse code is in amateur radio communications. Amateur radio operators, also known as hams, use Morse code to communicate with each other using radio signals. Morse code is particularly useful in situations where other forms of communication may not be reliable, such as during emergencies or in remote locations where there is no access to modern communication technology. Morse code is also used in the military. Although modern military communications rely on more advanced technologies, Morse code is still taught to soldiers as a backup communication method. In some cases, military personnel may use Morse
Post a Comment
Read more