228:. The dedication of telegraph station KGH came on May 11, 1921, with a crowd of 500 and the Hillsboro mayor, A. C. Shute, in attendance. Built on 330 acres (1.3 km) the station had one large tower at a height of 626 feet (191 m) surrounded by eight shorter towers arranged in a circle around the main tower in the center. Once complete, it was the tallest structure on the Pacific Coast, and the only taller structures in the world were the Eiffel Tower in
255:. Mackay Radio shortly thereafter installed a shortwave transmitter and replaced one of the spark gap transmitters with the new arc and tube type. On December 31, 1928, Mackay Radio announced a new more powerful transmitter would be installed by February 1929, making KGH the most powerful Marine Radio station in the Northwest. In April of that year the new transmitter was put into use by Mackay.
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newspaper in 1923: "Portland is one of the very few cities in the world that has a complete ship to ship and point to point radio service. KEK receives news day and night of ships carrying loved ones, news of ships in trouble. Vessels 1,000 miles at sea report their positions nightly or might request
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Workers dug out 14 feet (4.3 m) deep concrete bases to secure the towers under the guidance of the engineer J. L. Miller. Constructed of steel, the station cost $ 300,000 to build. KGH used synchronous rotary spark gap transmitters. A 3 kW set for close ships and a 5 kW transmitter for
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Federal
Telegraph Company purchased property south of Hillsboro on September 20, 1920, from the Fred Rood estate, with completion of the project coming in 1921. Federal paid $ 41,500 for the 331-acre (134 ha) site that was then three miles from Hillsboro. The tower was built to replace a tower
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or directly to ships at sea. On site was also a large concrete building 60 feet (18 m) by 80 feet (24 m) and 20 feet (6.1 m) tall. In addition to this, on July 9, 1923, KEK began operation. The Marine receiving station was licensed to
Hillsboro but was located in a building on
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Portland and the main office was in the Postal Building in downtown Portland. This downtown building is where all messages were received and relayed. The cables supporting the towers were one and one-quarter inch in diameter.
294:. The eight smaller towers were 1,500 feet (460 m) from the central tower. Utilizing short-wave radio signals, the station would transmit point-to-point to regional transmitters such as in
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KEK had four long wave receivers. Two for ship work and two for shortwave reception. Three of four signals from
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ships far out at sea. A receiving set was installed on top of "The Board of Trade" building in
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October 1935, a strike by employees of Mackay caused the transmitter to go dead. During
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270:. In 1951, the station was abandoned and subsequently torn down in 1952.
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took over the operations of the station. It was then operated by the
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207:. The tower was constructed in 1921 and was torn down in 1952.
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World’s second-largest tower relayed wireless messages.
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The tower near
Hillsboro with airplane showing scale
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International
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489:"Mackay station installs new marine transmitter".
387:Oregon: Her History, Her Great Men, Her Literature
555:Demolished buildings and structures in Oregon
545:Buildings and structures in Hillsboro, Oregon
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570:Buildings and structures demolished in 1952
474:"Low wave transmitting system successful".
414:"Giant Radio Station Built near Portland".
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399:"Radio Station Site is near Hillsboro".
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195:. Located adjacent to what is now
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478:. September 25, 1927. p. 10.
403:. September 21, 1920. p. 14.
565:1952 disestablishments in Oregon
216:the federal government owned in
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504:"Wireless Crew Out on Strike".
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389:. The J.K. Gill Co.: Portland.
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560:1921 establishments in Oregon
510:. October 5, 1935. p. 1.
493:. April 21, 1929. p. 49.
418:. January 1, 1921. p. 8.
197:Meriwether National Golf Club
459:"Mayor to Dedicate Radio".
282:and was capable of sending
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531:, February 1921, page 212.
463:. May 8, 1921. p. 19.
296:San Francisco, California
268:United States Coast Guard
147:Federal Telegraph Company
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385:Horner, John B. (1921).
264:United States government
181:Hillsboro wireless tower
19:Hillsboro wireless tower
286:message as far away as
165:Design and construction
96:45.485502°N 122.9527°W
112:Construction started
101:45.485502; -122.9527
527:by Haraden Pratt,
449:, October 19, 1976.
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45:Architectural style
40:General information
529:Pacific Radio News
359:Excerpts available
347:Arcadia Publishing
321:The Oregon Journal
234:Woolworth Building
185:wireless telegraph
189:Hillsboro, Oregon
187:station south of
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152:Technical details
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53:Town or city
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226:World War I
173:J.L. Miller
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87:122°57′10″W
74:Coordinates
48:steel tower
539:Categories
329:References
313:California
128:Demolished
84:45°29′08″N
349:, 2009),
343:Hillsboro
309:Palo Alto
284:telegraph
139:$ 300,000
120:Completed
232:and the
170:Engineer
274:Details
224:during
222:Siberia
211:History
63:Country
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292:Europe
230:France
201:France
183:was a
144:Client
218:Lents
351:ISBN
290:and
288:Asia
262:the
179:The
157:Size
136:Cost
131:1952
123:1921
115:1920
361:at
236:in
203:’s
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