DUCK FRF 17m, NC - 433 Classic View
Energy and direction spectrum data
Spectral data are converted into a 2-dimensional frequency/direction spectrum and displayed on a polar coordinate system. The Maximum Entropty Method is used to create the 2D spectrum; this gives a narrow directional spectrum that CDIP considers appropriate for swell in the Pacific.
The polar plot is useful for identifying individual wave events based on their directions and wave periods.
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