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hf-radars

HF Radars

High-frequency (HF) Radio Detection and Ranging (radar) stations measure, using Doppler effect, surface current speed, and direction from a fixed shore-base location.

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HF Radars

High-frequency (HF) Radio Detection and Ranging (radar) stations measure, using Doppler effect, surface current speed, and direction from a fixed shore-base location.

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