Stonehenge, the most famous antiquity on Salisbury Plain
A US Army Signal Corps radio operator in 1943 in New Guinea transmitting by radiotelegraphy
Rough map of military training area (green) on Salisbury Plain within Wiltshire (blue) (it accounts for about half the area of Salisbury Plain)
Amateur radio operator transmitting Morse code
Stonehenge, on Salisbury Plain
Tesla's explanation in the 1919 issue of "Electrical Experimenter" on how he thought his wireless system would work
Military use makes some areas of the plain inaccessible to the public.
Thomas Edison's 1891 patent for a ship-to-shore wireless telegraph that used electrostatic induction
Typical grassland at Netheravon Down.
Example of transatlantic radiotelegraph message recorded on paper tape at RCA's New York receiving center in 1920. The translation of the Morse code is given below the tape.
The burnt-tip orchid (Neotinea ustulata) can be found on Salisbury Plain
In World War I balloons were used as a quick way to raise wire antennas for military field radiotelegraph stations. Balloons at Tempelhofer Field, Germany, 1908.
The Duke of Burgundy butterfly (Hamearis lucina)
Guglielmo Marconi, the father of radio-based wireless telegraphy, in 1901, with one of his first wireless transmitters (right) and receivers (left)
The cuckoo bee Nomada armata
German troops erecting a wireless field telegraph station during World War I
The fairy shrimp Chirocephalus diaphanus
German officers and troops manning a wireless field telegraph station during World War I
The stone curlew
Mobile radio station in German South West Africa, using a hydrogen balloon to lift the antenna

In September 1896, George Kemp and Guglielmo Marconi experimented with wireless telegraphy on Salisbury Plain, and achieved good results over a distance of 1.25 mi.

- Salisbury Plain

Preece and the GPO in Britain at first supported and gave financial backing to Marconi's experiments conducted on Salisbury Plain from 1896.

- Wireless telegraphy
Stonehenge, the most famous antiquity on Salisbury Plain

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Guglielmo Marconi

Marconi's first transmitter incorporating a monopole antenna. It consisted of an elevated copper sheet (top) connected to a Righi spark gap (left) powered by an induction coil (center) with a telegraph key (right) to switch it on and off to spell out text messages in Morse code.
British Post Office engineers inspect Marconi's radio equipment during a demonstration on Flat Holm Island, 13 May 1897. The transmitter is at centre, the coherer receiver below it, and the pole supporting the wire antenna is visible at top.
Plaque on the outside of the BT Centre commemorates Marconi's first public transmission of wireless signals.
SS Ponce entering New York Harbor 1899, by Milton J. Burns
Marconi watching associates raising the kite (a "Levitor" by B.F.S. Baden-Powell ) used to lift the antenna at St. John's, Newfoundland, December 1901
Magnetic detector by Marconi used during the experimental campaign aboard a ship in summer 1902, exhibited at the Museo Nazionale Scienza e Tecnologia Leonardo da Vinci of Milan.
Marconi demonstrating apparatus he used in his first long-distance radio transmissions in the 1890s. The transmitter is at right, the receiver with paper tape recorder at left.
Marconi caricatured by Leslie Ward for Vanity Fair, 1905
Villa Marconi, with Marconi's tomb in foreground.
American electrical engineer Alfred Norton Goldsmith and Marconi on 26 June 1922.
Guglielmo and Beatrice Marconi c. 1910
Memorial plaque in the Basilica Santa Croce, Florence. Italy
Guglielmo Marconi Memorial in Washington, D.C.
Bronze statue of Guglielmo Marconi, sculpted by Saleppichi Giancarlo erected 1975 Philadelphia, Pennsylvania

Guglielmo Giovanni Maria Marconi, 1st Marquis of Marconi (25 April 1874 – 20 July 1937) was an Italian inventor and electrical engineer, known for his creation of a practical radio wave-based wireless telegraph system.

A further series of demonstrations for the British followed, and, by March 1897, Marconi had transmitted Morse code signals over a distance of about 6 km across Salisbury Plain.