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Instrument: MSU : Microwave Sounding Unit
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Associated Platforms

Spectral/Frequency Information
Wavelength Keyword: Microwave
Number Channels: 4
Spectral/Frequency Coverage/Range: 50.3, 53.74, 54.96, and 57.95 GHz,

Related Data Sets
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The MSU is the descendant of the Scanning Microwave
Spectrometer (SCAMS) flown on Nimbus-6, which in turn evolved
from the Nimbus-5 Microwave Spectrometer (NEMS). NEMS was the
first microwave temperature sounder flown in space. The MSU is a
four channel Dicke radiometer making passive measurements in
regions of the 5.5-mm oxygen region (50.3 GHz, 53.74 GHz, 54.96
GHz, and 57.05 GHz). The dynamic range of the MSU is 0 K to 350
K, with a noise equivalent temperature of 0.3 K. The ground
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Online Resources

Instrument Logistics
Instrument Owner: NASA Jet Propulsion Laboratory

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