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Schematic diagram of the GSR.
Schematic diagram of the GSR calibration and scanner system. The GSR scanhead periodically moves out of the framework for zenith viewing on a trolley system, and shares time observing the atmosphere and the two temperature-controlled blackbody reference targets.

GSR in process of assembly
GSR in process of assembly on March 7, 2004 in Barrow, AK. This photo shows the GSR framework with the external calibration targets and the scanhead with the radiometers installed are shown.

GSR radiometers mounted
GSR radiometers mounted on the scanning drum scanhead.

GSR operating in Barrow, AK
GSR operating in Barrow, AK, during the WVIOP04, on March-April 2004.

Calibration, dwell, and continuous scanning sequence diagram
Calibration, dwell, and continuous scanning sequence of the GSR.

GSR inside shelter calibrating.

GSR scanning.

GSR scanning opposite horizon
GSR in motion samples (mpg) from Barrow, Alaska, on March 10 2004

Time series of Tb between 50 and 60 GHz
Time series of Tb between 50 and 60 GHz.

Time Series of Tb for channels around the  183.31 GHz
Time Series of Tb for channels around the 183.31 GHz water vapor line.

Time series of Tb near the 380.2 GHz water vapor line
Time series of Tb near the 380.2 GHz water vapor line.

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