BackForwardInstrument:  MWR (Sentinel-3) 

Instrument details
Acronym MWR (Sentinel-3)
Full name Micro-Wave Radiometer
Purpose Water vapour correction for the radar altimeter (SRAL)
Short description
  • 2 channels: 23.8 and 36.5 GHz
  • Monitoring and calibration information here
Background

Evolution of MWR on ERS-2 and Envisat

Scanning Technique

Nadir-only viewing, associated to the supported radar altimeter

Resolution 20 km
Coverage / Cycle Global coverage in 1 month for 30 km average spacing, or in 10 days for 100 km average spacing
Mass 24.2 kg Power 26 W Data Rate 5 kbps

 

Providing Agency ESA
Instrument Maturity Backed by strong heritage
Utilization Period: 2016 to 2038
Last update: 2024-09-23
Detailed characteristics
Satellites this instrument is flying on

Note: a red tag indicates satellites no longer operational, a green tag indicates operational satellites, a blue tag indicates future satellites

Instrument classification
  • Earth observation instrument
  • Passive microwave radiometer
  • Cross-track, special or non-scanning microwave radiometer
WIGOS Subcomponents No WIGOS subcomponents have been defined.
Mission objectives
Primary mission objectives
  • Integrated Water Vapour (IWV)
Evaluation of Measurements