Sentinel-3 MWR Microwave Radiometer – Our contribution to the success of the Copernicus programme


  • M.A. Palacios Airbus Defence & Space
  • M. Bergadà EADS CASA Espacio
  • R. González EADS CASA Espacio
  • A. Gamonal EADS CASA Espacio
  • J.L. García-Fernández EADS CASA Espacio
  • Y. Camacho EADS CASA Espacio



NIR, Calibration, Accuracy, Radiometric resolution


The MWR builds, together with the SRAL altimeter, the S3 topography mission. The MWR, developed by EADS CASA Espacio as prime contractor, provides information for tropospheric path correction of SRAL measurements. MWR data can also be used for determining surface emissivity and soil moisture over land, surface energy budget investigations and ice characterization. The MWR instrument is a Noise Injection Radiometer (NIR), working at two frequencies (23.8/36.5 GHz), embarking a dual frequency horn antenna pointing to the cold sky for embedded autonomous calibration.


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Author Biography

M.A. Palacios, Airbus Defence & Space

Ingeniería de Sistemas

Arquitectura Eléctrica y Software


Aguirre, M., Berruti, B., Bezy, J.L., Drinkwater, M., Heliere, F., Klein, U., Mavrocordatos, C., Silvestrin, P., Greco, B., Benveniste, J., 2007. Sentinel-3. The Ocean and Medium-Resolution Land Mission for GMES Operational Services. ESA bulletin, 131, 24-29.

Bergadà, M., Brotons, P., Camacho, Y., Díez, L, Gamonal, A., García, J.L., González, R., Pacheco, A., Palacios, M.A., Klein, U., 2010. Design and development of the Sentinel-3 Microwave Radiometer. En: Proceedings SPIE, 7826, 78260M. doi:10.1117/12.864575

Eymard, L., Le Cornec, A., Tabary, L., 1994. The ERS-1 microwave radiometer, Int. J. Remote Sensing, 15(4), 845-857. doi:10.1080/01431169408954120

Guijarro, J., Auriol, A., Costes, M., Jayles, C., Vincent, P., 2000. MWR & DORIS-Supporting Envisat Radar Altimetry Mission, ESA bulletin, 104, 41-46.

Klein, U., Borde, F., Berruti, B., Mavrocordatos, C. and the S3 Team. The Sentinel-3 Topography Payload. En: Advanced RF Sensors and Remote Sensing Instruments 2009, ARSI-09 Proceedings

L’Abbate, M., Bombaci, O., Alberti, G., Femenias, P., 2003. ENVISAT-1 MWR, in flight functional and performance verification. En: Proceedings of Envisat Validation Workshop, Frascati (Italy).

Mavrocordatos, C., Berruti, B., Aguirre, M., Drinkwater, M., 2007. The Sentinel-3 mission and its topography element. En: Proceedings IGARSS 2007, pp. 3529-3532

Maschwitz, G.,Löhnert1, U., Crewell, S., Rose, T., Turner, D.D., 2013. Investigation of ground-based microwave radiometer calibration techniques at 530 hPa, Atmospheric Measurement Techniques, 6, 2641-2658. doi:10.5194/amt-6-2641-2013

Murk A., Wylde, R., Bell, G., McNamara, A., Reveles-Wilson, J., Zivkovic, I., Dewell, R., de Maagt, P. 2012. Development of microwave calibration targets for upcoming ESA missions. En: IGARSS 2012, pp. 2949-2952. doi:10.1109/IGARSS.2012.6350707

Xie, Y., Chen, J., Liu, D., Lv, C., Liu, K., Miao. J., 2013. Development and calibration of a K-Band groundbased hyperspectral microwave radiometer for water vapor measurements, Progress In Electromagnetics Research, 140, 415-438. doi:10.2528/PIER13050704





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