Navy uses seawater as antenna

U.S. Navy engineers at Space and Naval Warfare Systems Center Pacific in San Diego, Calif., have developed a system to use a stream of seawater as a radio antenna.

U.S. Navy engineers at Space and Naval Warfare Systems Center Pacific in San Diego, Calif., have developed a system to use a stream of seawater as a radio antenna. Seawater is pumped through a magnetic probe to receive and transmit communication signals. The frequency and the bandwidth of the signal can be altered by adjusting the height and diameter of the stream.

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