| Instrument | Status/
Accuracy | Instrument Description | Measurement Technology | Timeline |
| AMSR2 | Operational +/-18 cm | Accuracy of the latest standard products (RMSE): Sea surface temperature: 0.5 degC, Sea ice concentration: 9%, Cloud liquid water: 0.04 kg/m2, Water vapour: 1.5 kg/m2 through total column, Sea surface wind speed 1.0 m/s, (Relative Error in %) Precipitation rate: 37 % for ocean & 62 % for land. (MAE) Snow depth: 18 cm, Soil Moisture Content: 4 %vol. See AMSR Data Catalog (https://www.eorc.jaxa.jp/AMSR/datacatalog/index_en.html) for more detail. | Multi-purpose imaging MW radiometer |  |
| AMSR3 | Operational +/-9.2 cm | Measurements of water vapour, cloud liquid water, precipitation including snowfall, winds, sea surface temperature, sea ice concentration, snow cover, soil moisture. | Multi-purpose imaging MW radiometer | |
| AMSU-A | Operational | All-weather night-day temperature sounding to an altitude of 45 km. | n/a | |
| AMSU-A | Operational | All-weather night-day temperature sounding to an altitude of 45 km. AMSU-A on Aqua is still partially operational, with 9 of the 15 channels working and collecting data. | n/a | |
| CSG SAR | Operational | All-weather images of ocean, land and ice for monitoring of land surface processes, ice, environmental monitoring, risk management, environmental resources, maritime management, Earth topographic mapping. | Imaging radar (SAR) | |
| MWRI-RM | Operational | Multi-purpose imagery with emphasis on precipitation | Multi-purpose imaging MW radiometer | |
| SAR (RADARSAT-2) | Operational | All-weather images of ocean, ice and land surfaces. Used for monitoring of coastal zones, polar ice, sea ice, sea state, geological features, vegetation and land surface processes. | Imaging radar (SAR) | |
| SAR (RCM) | Operational | All-weather, C-band data to support ecosystem monitoring, maritime surveillance and disaster management. | Imaging radar (SAR) | |
| SSM/IS | Operational | Measures thermal microwave radiation. Global measurements of air temp profile, humidity profile, ocean surface winds, rain overland/ocean, ice concentration/age, ice/snow edge, water vapour/clouds over ocean, snow water content, land surface temperature. | Multi-purpose imaging MW radiometer | |
| L-Band SAR | Approved | L-band SAR instrument combining wide swath, high spatial resolution, high sensitivity, low ambiguity ratios, full polarimetric acquisition capability, and repeat-pass interferometry to support the retrieval of surface deformation over vegetated terrain, above-ground biomass density, soil moisture, land cover and land-cover change, flooded area information, ice sheet and glacier velocity, snow water, sea-ice conditions (type, concentration and motion), ocean winds and sea state conditions, as well as enhancing European maritime situational awareness. | Imaging radar (SAR) | |
| AMSR-E | No longer operational +/-20 % | Measurements of water vapour, cloud liquid water, precipitation, winds, sea surface temperature, sea ice concentration, snow cover and soil moisture. Instrument stopped functioning 4th October 2011. | Multi-purpose imaging MW radiometer | |