Measurements and Applications
Altimeter data to correct for errors caused by water vapour and cloud-cover. Also measures total water vapour and brightness temperature.
Full Name
TOPEX Microwave Radiometer
Status
No longer operational
Instrument Agencies
Maturity
Instrument Type
Imaging multi-spectral radiometers (passive microwave) 
Geometry
Instrument Technology
Non-scanning MW radiometer
Sampling
Other
Resolution
44.7 km at 18 GHz, 37.4 km at 21 GHz, 23.6 km at 37 GHz
Swath
120 deg cone centred on nadir
Accuracy
Total water vapour: 0.2 g/sq cm, Brightness temperature: 0.3 K
Waveband
Microwave: 18 GHz, 21 GHz, 37 GHz
Topex-Poseidon - Topographic Experiment/Poseidon (1992 - 2006) |