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Advanced Microwave Sounding Unit B (AMSU/B)

NSSDCA ID: 2000-055A-04

Mission Name: NOAA 16
Principal Investigator:Dr. Norman C. Grody


The Advanced Microwave Sounding Unit (AMSU) was a new instrument on the Advanced TIROS-N (ATN) NOAA K-N series of operational meteorological satellites. The AMSU consisted of two functionally independent units, AMSU-A and AMSU-B. The AMSU-B was a line-scan instrument designed to measure scene radiance in five channels, ranging from 89 GHz to 183 GHz for the computation of atmospheric water vapor profiles. The AMSU-B was a total power system with a FOV of 1.1 degrees at half-power points. The antenna provided a cross-track scan, scanning 50 degrees on either side of the orbital track with 90 IFOVs per scan line. On-board calibration was accomplished with blackbody targets and space as references. The AMSU-B channels at the center frequency (GHz) were: 90, 157, and 3 channels at 183.31.

Alternate Names

  • AMSU/B

Facts in Brief

Mass: 40 kg
Power (avg): 90.3 W
Bit rate (avg): 16.64 kbps

Funding Agency

  • NOAA National Environmental Satellite Service (United States)


  • Earth Science: Atmospheric Dynamics

Additional Information

Questions and comments about this experiment can be directed to: Coordinated Request and User Support Office



NameRoleOriginal AffiliationE-mail
Dr. Norman C. GrodyPrincipal InvestigatorNOAA Office of Research and Application
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