Speckle filter

Dear all,

I’m trying to do “Refined Lee Filter” after the Calibration (sigma0 output) but it gives me this warning window:

Could someone tell me what’s it mean??

I’m using Sentinel 1 SLC IW data.

Piero.

Did you deburst the data before the speckle filter?

Yes of course: split, deburst, calibration (sigma), filter