[RegCNET] Intraseasonal variability

[pyarimohan maharana]

Dear Sir/Madam,
I am working on the intra-seasonal variability of Indian Summer Monsoon.
I am analyzing the precipitation time series.
How to find the different Oscillation of the time series using Grads?
Is it possible to calculate the FFT using Grads?

Thanks in advance

Pyarimohan
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