电报模拟器
https://www.telegraphsimulator.com/
进入首页即可开始模拟发送电报，网站还提供摩斯电码翻译器、速查表、练习摩斯码等功能

Telegraph Simulator
Experience the golden age of telegraphy with this authentic 1875 simulator. Practice Morse code, send messages between cities, and connect with other operators.