#Dash dot dash meaning how to#
#Dash dot dash meaning code#
#Dash dot dash meaning plus#

Morse code is transmitted using just two states - on and off - so it was an early form of a digital code. a flashing light) using devices like an Aldis lamp or a heliograph. Morse code can be transmitted in a number of ways: originally as electrical pulses along a telegraph wire, but also as an audio tone, as a radio signal with short and long pulses or tones, or as a mechanical or visual signal (e.g. These six elements serve as the basis for International Morse code and therefore can be applied to the use of Morse code worldwide. long gap (between sentences - about seven units of time).intra-character gap (between the dots and dashes within a character).International Morse code is composed of six elements: Click on the image above for a list of the rest of the Alphabet in Morse Code. The letter S has a distinctive 3 dots (.) and the letter O has a distinctive 3 dashes (-). But in reality, it was used because the letter S and O are easy to make and are distinctive. SOS actually did not stand for anything, orginally 'Save Our Seamen', 'Save our Ship', 'Survivors On Shore', 'Save Our Souls' or 'Save Our Selves' are just ways to guess the meaning. Help in Morse Code - What does SOS Stand For?

#Dash dot dash meaning how to#

This can be worn and have a special meaning to the wearer or their partner, which will be unknown to everyone else who sees this if they do not know how to read and decipher Morse code! An example of this can be found in a Morse code bracelet. by switching a breaker on and off).īecause it is not as well-known as it once was, it can also be used to convey secret messages, even in plain sight. Morse code is the only digital modulation mode designed to be easily read by humans without a computer, making it appropriate for sending automated digital data in voice channels, as well as making it ideal for emergency signalling, such as by way of improvised energy sources that can be easily 'keyed', for example by supplying and removing electric power (e.g.

#Dash dot dash meaning plus#

Although no longer a requirement for Amateur licensing in most countries, it also continues to be used for specialized purposes, including identification of navigational radio beacon and land mobile transmitters, plus some military communication, including flashing-light semaphore communications between ships in some naval services. The most popular current use of Morse code is by amateur radio operators. However, the variable length of the Morse code characters made it hard to adapt to automated circuits, so for most electronic communication it has been replaced by more machinable formats, such as Baudot code and ASCII. Morse's electric telegraph in the early 1840s, Morse code was also extensively used for early radio communication, beginning in the 1890s.įor the first half of the twentieth century, the majority of high-speed international communication was conducted in Morse code, using telegraph lines, undersea cables, and radio circuits. If you need a list of the alphabet in Morse code please click on the image to the left. The short and long elements can be formed by sounds, marks or pulses, in on off-keying, and are commonly known as 'dots' and 'dashes' or 'dits' and 'dahs'. Morse code is a method of transmitting telegraphic information, using standardized sequences of short and long elements to represent the letters, numerals, punctuation and special characters of a message.