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This Morse key was originally used by Gotthard railway, later by a shortwave radio amateur
This Morse key was originally used by Gotthard railway, later by a shortwave radio amateur
Single needle telegraph instrument
Single needle telegraph instrument
Telegraph key and sounder. The signal is "on" when the knob is pressed, and "off" when it is released. Length and timing of the dits and dahs are enti
Telegraph key and sounder. The signal is "on" when the knob is pressed, and "off" when it is released. Length and timing of the dits and dahs are entirely controlled by the telegraphist.
Morse code receiver that records on paper tape
Morse code receiver that records on paper tape
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Earth station at the satellite communication facility Raisting Earth Station in Raisting, Bavaria, Germany
Earth station at the satellite communication facility Raisting Earth Station in Raisting, Bavaria, Germany
Optical fibre provides cheaper bandwidth for long-distance communication.
Optical fibre provides cheaper bandwidth for long-distance communication.