THE CEOS DATABASE : Missions, Instruments and Measurements
Full Name MW Array Spectrometer (PATH) Status Proposed
Instrument Agencies NASA Maturity
Instrument Type Imaging multi-spectral radiometers (passive microwave) Geometry Nadir-viewing
Instrument Technology Sampling Sounding
Data Access Open Access Data Format
Measurements and Applications High frequency, all-weather temperature and humidity soundings for weather forecasting and SST.
Resolution Summary Temporal resolution is 15 to 30 minutes; 25 - 50 km at nadir
Swath Summary Temporal resolution is 15 to 30 minutes; 25 - 50 km at nadir
Accuracy Summary <.5 K (brightness temperature)
Waveband Summary 50 - 57 GHz, 165 - 183 GHz, and possibly 118 - 125 GHz
MW (~1.0 cm - ~100 cm)
Instrument Measurements
Atmospheric Humidity FieldsAtmospheric specific humidity (column/profile) 
Atmospheric Temperature FieldsAtmospheric temperature (column/profile) 
Height of tropopause 
Temperature of tropopause 
Atmospheric WindsWind vector over land surface (horizontal) 
Cloud particle properties and profileCloud liquid water (column/profile) 
Precipitation Profile (liquid or solid) 
Liquid water and precipitation ratePrecipitation rate (liquid) at the surface 
Surface temperature (land)Land surface temperature 
Surface temperature (ocean)Sea surface temperature 
Instrument Missions
PATH - Precipitation and All-weather Temperature and Humidity (2030 - 2033)
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