The Microwave Barometric Radar and Sounder (MBARS) is an airborne sensor developed by NASA Goddard Space Flight Center (GSFC), Langley Research Center (LaRC), and Tomorrow.io. It is a combined active and passive microwave sensor used to measure surface air pressure in the oxygen absorption V-band (64-70 GHz). It includes a cross-track scanning differential absorption radar (DAR) to estimate total atmospheric oxygen content and determine surface dry air pressure. It also provides hyperspectral radiometric temperature profiles to enable vertical pressure profiles. It has a horizontal resolution of 1 to 4 km and a swath of 10 km at flight altitudes of the ER-2 aircraft.

Instrument Details
- Multi
- Earth Science > Atmosphere > Atmospheric PressureEarth Science > Atmosphere > Atmospheric Pressure > Surface PressureEarth Science > Atmosphere > Atmospheric Temperature > Upper Air TemperatureEarth Science > Atmosphere > Atmospheric Temperature > Upper Air Temperature > Vertical ProfilesEarth Science > Spectral/engineering > Radar > Radar ReflectivityEarth Science > Spectral/engineering > Radar
- Full Column Profile
- N/A
- 1-4 km
- 64-70 GHz
- Currently unavailble
Matt Walker McLinden
Matt Walker McLinden
GSFC, LaRC, Tomorrow.io
NASA
Currently unavailable
Unpublished
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