Who knows Morse code? I first learn Morse code in the cadets and managed to get up to 12 words per minute. I found morse the easiest part of my Pilot training! #morsecode 🎥@explaining.everything | Warbird_Experience

A Veteran communicating in Morse code at high speed - The operator would send the text message on a telegraph key, which turned the transmitter on and off, producing short ("dot") and long ("dash") pulses of radio waves, groups of which comprised the letters and other symbols of the Morse code. The equipment only transmitted messages for about 300 miles in daylight, although that figure doubled or tripled after dark thanks to the refraction of long-wave radiation in the ionosphere. - - What y'al