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- monopole antenna (en)
- type d'antenne radio monopôle (fr)
- آنتن تکقطبی (fa)
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- 100 (xsd:integer)
- 220 (xsd:integer)
- Cutler VLF antenna array layout (en)
- Cutler VLF antenna array site plan (en)
- Feeders surrounding the central mast (en)
- Some of the antenna masts. The structures at the base of the masts are huge counterweights which tension the topload wires. (en)
- Central mast and 6 vertical radiator feeders connection to the horizontal topload wires, showing the long 50 ft insulator strings and corona rings required to withstand the 200 kV voltage on the antenna. (en)
- The complete antenna (en)
- Fessenden's 1905 Brant Rock, Mass, 400 ft umbrella antenna (en)
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- The seven-mast trideco antenna at Anthorn Radio Station on the coast of Cumbria, England, that transmits VLF signals to British Navy submarines and those of other NATO countries. (en)
- The trideco antenna array at the US Navy's Cutler VLF transmitter at Cutler, Maine, which transmits tactical orders to submerged submarines at a frequency of 24 kHz and a power of 1.8 megawatts, one of the most powerful transmitters in the world. It consists of two identical trideco antennas, each consisting of 13 towers supporting a 6 pointed wire topload about a mile across. (en)
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- Cutler VLF antenna array.png (en)
- VLF umbrella antenna - Anthorn Radio Station UK - central mast.jpg (en)
- Nauen umbrella antenna 1907.jpg (en)
- Umbrella antenna 1910.png (en)
- Anthorn array.jpg (en)
- Brant_rock_radio_tower_1910.jpg (en)
- Cutler VLF antenna array site plan.png (en)
- Cutlervlf2.jpg (en)
- Main antenna feed Anthorn.jpg (en)
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- 98 (xsd:integer)
- 140 (xsd:integer)
- 200 (xsd:integer)
- 210 (xsd:integer)
- 220 (xsd:integer)
- 250 (xsd:integer)
- 350 (xsd:integer)
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- Umbrella antenna (en)
- Schirmantenne (de)
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