Camp Evans
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Camp Evans Historic District
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The Marconi Hotel dedicated in 1914 at the Belmar Receiving Station is now InfoAge's "main campus"
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| Nearest city | Belmar, New Jersey |
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| Coordinates | 40°11′20″N 74°3′53″W / 40.18889°N 74.06472°WCoordinates: 40°11′20″N 74°3′53″W / 40.18889°N 74.06472°W |
| Area | 55 acres (22 ha) |
| Built | 1912–1914 |
| NRHP Reference # | 02000274 |
| Added to NRHP | March 26, 2002 |
 Camp map with numbered buildings
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"Diana Radar" sign
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 Diana & AN/TLM-18 antennas (min. 19:30 & 19:50)
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Camp Evans Historic District is an area of the Camp Evans Formerly Used Defense Site in Wall Township, New Jersey. The site of the military installation (40°11′08″N 074°03′45″W / 40.18556°N 74.06250°W) is noted for a 1914 transatlantic radio receiver and various World War II/Cold War laboratories of the United States Army (e.g., signal, vacuum tube, dosimetry, & photo-optics). From 1925 to 1935 the site was the headquarters for the New Jersey Ku Klux Klan.
The Belmar Receiving Station was established near the Belmar community together with a separate transatlantic transmitting facility at New Brunswick, New Jersey, by the American Marconi Company. The Belmar station included "a mile-long bronze-wire receiving antenna strung on six 400 foot tall masts with three 150 foot balancing towers along the Shark River. Outgoing Morse-code messages were sent via a telegraph land-line from the Belmar Station to the transmitter." The receiving site also had a telegraph land-line to a New York office.
Original buildings (40°11′09″N 74°03′34″W / 40.1859°N 74.0594°W) were built by the J.G. White Engineering Corp. between 1912 and 1914 as part of Guglielmo Marconi's "wireless girdle" around the Earth. In one of the buildings being constructed for the Belmar station, the regenerative circuit was demonstrated on January 31/February 1, 1914.
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