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 easil...
Thousands use it to communicate with other hams around the world, but many learn it only for their license and forget it. Hams and professional radio operators report mysterious occasional transmissions of jumbled numbers or letters in coded Morse Code, whichis technically illegal among U.S. hams...
code experts say that these examples were meant to give the message a sense of importance and formality. The person writing the message intended for his audience to be able to read it.
Morse knew just what to say. At the suggestion of a friend's daughter, he transmitted a quote from the biblical Book of Numbers: "What hath God wrought?" Dits and Dahs Made up of short and long tones, Morse code is still in use today. The short bursts are "dits" and the long ...
The telecode would be 2053 6008 0637 5019 0948. You transmit this telecode using Morse code to your friend in Beijing. Your friend decodes the Morse code to get a sequence of numbers. Your friend chops this sequence of numbers into four-digit blocks and then decodes it with the help ...
Years ago Edward Fry created a graph for estimating the readability of a text. (It is produced below.) If you look closely, you will see that the number of sentences per 100 words is high for first graders, meaning young children will be able to read small sentences. When I was in 13...
I consider those two items to be the "key traits" I use to remember people. I can use other things to tell people apart, but nothing works like hair and jeans! Just like the government has a file on everyone using their taxpayer identification numbers as a reference, I make my files ...
How barcodes represent the numbers 0–9A barcode is a really simple idea: give every item that you want to classify its own, unique number and then simply print the number on the item so an electronic scanning device can read it. We could simply print the number itself, but the trouble...
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Morse Code Lesson for Kids: History, Alphabet & Facts from Chapter 9/ Lesson 28 56K Learn about Morse code, a communication system that converts letters and numbers to dots and dashes. Explore the history of Morse code, why Samuel Morse invented it, and how it enabled telegraph communication...