electronics-notes.com: What is Morse Code? What is CW? Citat: "...Essentially CW refers to a Morse transmission using a radio signal - the abbreviation coming from the fact that it uses a Carrier Wave, or Continuous Wave that is interrupted. There is no modulation (apart from the breaks caused by the Morse characters)...The are several advantages to Morse code or CW even in these days of advanced technology, digital transmissions and the like:...", backup
electronics-notes.com: What is Morse Code? What is CW? Citat: "...Essentially CW refers to a Morse transmission using a radio signal - the abbreviation coming from the fact that it uses a Carrier Wave, or Continuous Wave that is interrupted. There is no modulation (apart from the breaks caused by the Morse characters)...The are several advantages to Morse code or CW even in these days of advanced technology, digital transmissions and the like:...", backup