Morse Code - 500 Khz, Airway Beacon, Alfred Vail, American Morse Code, Chinese Telegraph Code, Cqd, CQ (Call), Friedrich Clemens GE (Paperback)

Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Pages: 30. Chapters: 500 kHz, Airway beacon, Alfred Vail, American Morse code, Chinese telegraph code, CQD, CQ (call), Friedrich Clemens Gerke, Hog morse, Instructograph, Modulated continuous wave, Morse code abbreviations, Morse code for non-Latin alphabets, Morse code mnemonics, Prosigns for Morse code, Q code, Russian Morse code, Samuel Morse, Signal lamp, SKATS, SOS, Telegraph key, Wabun code, Z code.