ctral tide forcing file

 EXAMPLE USAGE
    write_FVCOM_spectide(ObcNodes,Period,Phase,Amp,SpectralFile,MyTitle)

 Author(s):
    Geoff Cowles (University of Massachusetts Dartmouth)
    Pierre Cazenave (Plymouth Marine Laboratory)

 Revision history
    2012-06-14 Ported NetCDF write to use MATLAB's native NetCDF support.
    Requires MATLAB v2010a or greater.
    2012-08-02 Added beta (Love) number and equilibrium amplitude support
    when writing output.

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