This antenna uses high frequency (HF) Radar to measure the direction and speed of ocean surface currents. When two or more Radar antennas are used, a scientist can calculate an entire field of wind driven surface current velocities.
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We all love the beach in the summer. The sun, the sand, and the surf. But just because we're having fun, doesn't mean we can forget about safety. Get the facts about rip currents in this Ocean Today video.