SAOCOM-1 L1D product are given in absolute values (amplitude). Thus, \(sigma_0\) in dB is derived from source STAC item using the expression:
The input is an ingested SAOCOM-1 L1D product, see details here.
The output is a STAC item geojson ... including the assets ... in COG format.
[RD01] - CONAE, "Saocom-1 Level 1 Products Format", issued: Jan 13 2020.
[RW01] - Official SAOCOM website