Parameters: |
- coords (numpy.ndarray) coordinates of stations in longitude and latitude in degrees
elevation in km, or x, y, z in km
- coordsys (string) valid values: ‘lonlat’ and ‘xy’, choose which coordinates
to use
- klim either a float to use symmetric limits for wavenumber
differences or the tupel (kxmin, kxmax, kymin, kymax)
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