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# -*- mode: org; -*-
#+TITLE: Morse code
#+SUBTITLE: The longest-lived telecommunication coding system.
#+AUTHOR: Marius Peter
#+DATE: <2022-04-05 Tue>
#+DESCRIPTION: Morse code: the longest-lived telecommunication coding system.
#+begin_abstract
#+end_abstract
* International Morse code
Rules:
1. A dash should last for three dots.
2. The delay between:
1. two symbols is one dot,
2. two letters is three dots,
3. two words is seven points.
| Symbol | Coding |
|--------+---------|
| A | =·-= |
| B | =-···= |
| C | =-·-·= |
| D | =-··= |
| E | =·= |
| F | =··-·= |
| G | =--·= |
| H | =····= |
| I | =··= |
| J | =·---= |
| K | =-·-= |
| L | =·-··= |
| M | =--= |
| N | =-·= |
| O | =---= |
| P | =·--·= |
| Q | =--·-= |
| R | =·-·= |
| S | =···= |
| T | =-= |
| U | =··-= |
| V | =···-= |
| W | =·--= |
| X | =-··-= |
| Y | =-·--= |
| Z | =--··= |
|--------+---------|
| 1 | =·----= |
| 2 | =··---= |
| 3 | =···--= |
| 4 | =····-= |
| 5 | =·····= |
| 6 | =-····= |
| 7 | =--···= |
| 8 | =---··= |
| 9 | =----·= |
| 0 | =-----= |
|
