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Instrument: NAST-MTS : NPOESS Aircraft Microwave Temperature Sounder
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The NPOESS Aircraft Sounder Testbed - Microwave Temperature Sounder
(NAST-MTS) contains two microwave radiometer systems covering the
spectral ranges of 50-56 GHz with eight single-sideband channels, and
115-123 Ghz with nine double-sideband channels centered on the 118.75
Ghz oxygen line. Both radiometers scan +- 65 degrees from nadir and
also view two black-body targets and zenith for calibration. The
temperature weighting functions cover altitudes from the surface to
ER-2 altitude. A video camera in the MTS package will provide
ancillary digitized stereo images for cloud location. The instrument
was used during the third Convection And Moisture EXperiment (CAMEX)
conducted in 1998.

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