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Instrument details
Acronym
MW radiometer
Full name
Microwave radiometer
Purpose
Water vapour correction for the radar altimeter
Short description
3-frequencies:18.7, 23.8 and 34 GHz
Background
New development
Scanning Technique
Nadir-only viewing, associated to the supported radar altimeter
Resolution
30 km
Coverage / Cycle
Global coverage in 2 weeks for 70-km cells
Mass
27 kg
Power
31 W
Data Rate
100 bps
Providing Agency
NASA
Instrument Maturity
Backed by strong heritage
Utilization Period:
≥2023 to ≥2026
Last update:
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
Tentative Evaluation of Measurements
The following list indicates which measurements can typically be
retrieved from this category of instrument. To see a full Gap Analysis by Variable,
click on the respective variable.
Note: table can be sorted by clicking on the column headers
Variable Relevance for measuring this variable Operational limitations Explanation
Integrated Water Vapour (IWV) 4 - fair Over sea only.. Along-track only. MW channel(s) in the water vapour band around 23 GHz
Instrument: MW radiometer