[ncl-talk] Problem with wkSpaceTime function

[Mike Victor]

Dear Sir/Madam,
I am trying to use the wkSpaceTime function for obtaining spectra for OLR
data that I obtained from NOAA website. I am getting this message :
*" nMsg=542880  User must preprocess to remove _FillValue*
*(0)                    FFTs do not allow missing values!!"*

What should I replace the missing values with? Please advise.
Thank you
Mayuresh
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