Full Name AMR-S Two-Beam Microwave Radiometer Status Being developed
Instrument Agencies NASA, UKSA, CNES, CSA Maturity
Instrument Type Imaging multi-spectral radiometers (passive microwave) Geometry Nadir-viewing
Instrument Technology Non-scanning MW radiometer Sampling Sounding
Data Access Open Access Data Format NetCDF-4
Measurements and Applications Capabilities of the AMR with the addition of a 2nd beam to provide wet-tropospheric path delay correction within both swaths of the primary radar instrument (KaRIn)
Resolution Summary 41.6 km at 18.7 GHz, 36.1 km at 23.8 GHz, 22.9 km at 34 GHz baseline channels
[Best Resolution: 22m]
Swath Summary two nadir-looking beams complementing the 120Km KaRIn radar altimeter swath
Accuracy Summary Total water vapour: 0.2 g/sq cm, Brightness temperature: 0.15 K for each of the two beams
Waveband Summary Microwave: 18.7, 23.8 and 34 GHz.
MW (~0.1 cm - ~100 cm)
Instrument Measurements
Measurements Overview
Atmospheric Humidity FieldsAtmospheric specific humidity (TC)
Ocean topography/currentsSea level
Ocean dynamic topography
Thematic Links Global Climate Observing System Essential Climate Variables (GCOS ECVs)
ECVDescriptionProduct(s)ECV Inventory 3.0 Record(s)
Sea Level click here click here search ECV Inventory records
Water Vapour (upper air) click here click here search ECV Inventory records
Instrument Missions
SWOT - Surface Water Ocean Topography (2022 - 2025)