Paper
18 October 1996 GOES Sounder overview
Jeanine E. Murphy-Morris, Sanford W. Hinkal
Author Affiliations +
Abstract
The GOES Sounder is similar in appearance, size, and design to the GOES Imager. It provides independent radiometric sounding of the atmosphere from GOES-East and GOES-West, which was accomplished on previous GOES by a single instrument with responsibility split between the functions of imaging and sounding. With 19 channels ranging from 0.70 micrometers to 14.71 micrometers , the Sounder probes the atmosphere to measure radiance at different depths while also monitoring surface and atmospheric temperatures, ozone, water vapor content, and cloud cover by means of the calibration of radiance data at selected wavelengths. Like the Imager, the Sounder scans the full earth, and can be commanded to scan local regions of interest. The scan mirror steps across the disk of the earth in synchronization with a dead zone on a filter wheel. The filters define 18 of the channels as they rotate on the wheel in the path of light split into three beams traveling to detectors divided into longwave, midwave, and shortwave arrays. For visible sounding of cloud cover, energy is split off ahead of the filter wheel and passed to the 19th channel and also to star sensing detectors used for instrument navigation.
© (1996) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Jeanine E. Murphy-Morris and Sanford W. Hinkal "GOES Sounder overview", Proc. SPIE 2812, GOES-8 and Beyond, (18 October 1996); https://doi.org/10.1117/12.254065
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Cited by 6 scholarly publications.
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KEYWORDS
Sensors

Mirrors

Calibration

Temperature metrology

Space operations

Stars

Optical filters

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