Abstract's details

Sentinel-6 Options to improve C-band range and derived ionosphere quality

Jean-Damien Desjonqueres (Jet Propulsion Laboratory, California Institute of Technology, France)

Event: 2023 Ocean Surface Topography Science Team Meeting

Session: Instrument Processing: Measurement and Retracking

Presentation type: Type Oral

Contribution: PDF file


The Sentinel-6 altimeter, Poseidon-4, transmits half the number of pulses in C-band as compared to previous Jason mission altimeters. As a results, the C-band echoes appear more noisy and current estimations in the operational products show degraded quality especially in low Significant Wave Height conditions. We will discuss and present some options to improve the quality of the C-band estimations. The first option relies on C-band processing only, using a multi-pass retracking approach. On-board echoes are processed and accumulated on ground to generate 1Hz echoes. The second option simply uses Ku-band SWH estimations to constrain C-Band retracking.
We will present the relative performance and the impact on the Sentinel-6 ionosphere correction.


Oral presentation show times:

Room Start Date End Date
Grande Beach Room (#208) Wed, Nov 08 2023,11:40 Wed, Nov 08 2023,12:00
Jean-Damien Desjonqueres
Jet Propulsion Laboratory, California Institute of Technology