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 Date: 2015-08-11 16:06:14Radio spectrum Extremely low frequency Elf Submarine Clam Lake Wisconsin Antenna Low frequency Radio frequency Project Sanguine Ground dipole |
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 | THE WORLD’S LARGEST “RADIO” STATION by CARLOS A. ALTGELT FIRST MADE PUBLIC by the US Navy in 1968 as Project Sanguine (1), the Extremely Low Frequency communications project—Project ELF—isDocID: Wc7F - View Document |
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