TY - RPRT AU - Kirsti Salonen AU - Pete Weston AU - Patricia de Rosnay AB - This document provides an annual summary of the performance of the European Space Agency (ESA) Soil Moisture and Ocean Salinity (SMOS) brightness temperature (Tb) monitoring run routinely at the European Centre for Medium-range Weather Forecasts (ECMWF). The period covered is September 2023 to August 2024. Several different monitoring plots are presented, and notable features are discussed in detail. Also, potential improvements to the monitoring system are proposed. BT - ESA Contract Report CY - Reading DA - 01/2025 DO - 10.21957/8f6b3808fa M1 - SMOS ESL contract 4000130567/20/I-BG M3 - ESA Contract Report N2 - This document provides an annual summary of the performance of the European Space Agency (ESA) Soil Moisture and Ocean Salinity (SMOS) brightness temperature (Tb) monitoring run routinely at the European Centre for Medium-range Weather Forecasts (ECMWF). The period covered is September 2023 to August 2024. Several different monitoring plots are presented, and notable features are discussed in detail. Also, potential improvements to the monitoring system are proposed. PB - ECMWF PP - Reading PY - 2025 T2 - ESA Contract Report TI - Annual SMOS brightness temperature monitoring report - 2023/24 UR -   ER -