Morse code is a method of transmitting letters and symbols by using beep sounds. The most famous example is the SOS call which would sound like beep-beep-beep beeeeep-beeeeep-beeeeep beep-beep-beep. In written Morse code, this would be viewed as: ... --- ...- Category ID : 92894
A computer-simulated Vibroplex semi-automatic Morse Code key, created with Macromedia Flash. It shows the workings of a bug and teaches the part names.
Official list of Ham call sign prefixes for all countries. Those participating in DX contests will also need the listed ITU and CQ magazine numbers for the various zones and regions.