Radio antennas

With a new detector, Branly could detect radio waves 150 yards from the source. Lodge improved it and demonstrated sending and receiving morse code, and then Popov and Marconi added antennas to strengthen the signal.
 Edouard-Eugène Branly and others France and others 1895 Radio antennas

With a new detector, Branly could detect radio waves 150 yards from the source. Lodge improved it and demonstrated sending and receiving morse code, and then Popov and Marconi added antennas to strengthen the signal.