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... > Instruments > Earth Remote Sensing Instruments > Passive Remote Sensing > Spectrometers/Radiometers > Imaging Spectrometers/Radiometers > GOES I-M Imager

Preferred term

GOES I-M Imager  

Definition

  • [Source: NOAA GOES Project, http://noaasis.noaa.gov/NOAASIS/ml/imager.html ] The GOES I-M Imager is a five channel (one visible, four infrared) imaging radiometer designed to sense radiant and solar reflected energy from sampled areas of the earth. By means of a servo driven, two-axis gimbaled mirror scanning system in conjunction with a Cassegrain telescope, the Imager's multispectral channels can simultaneously sweep an 8-kilometer (5 statute mile) north-to-south swath along an east-to-west/west-to-east path, at a rate of 20 degrees (optical) east-west per second. This translates into being able to scan a 3000 by 3000 km (1864 by 1864 miles) "box" centered over the United States in just 41 seconds. The actual scanning sequence takes places by sweeping in an East-West direction, stepping in the North-South direction, than sweeping back in a West-East direction, stepping North-South, sweeping East-West, and so on. The Imager consists of electronics, power supply, and sensor modules. The sensor module containing the telescope, scan assembly, and detectors, is mounted on a baseplate outside the main structure of the spacecraft, together with shields and louvers for thermal control. The electronics module provides redundant circuitry and performs command, control, and signal processing functions; it also serves as a structure for mounting and interconnecting the electronic boards for proper heat dissipation. The power supply module contains the converters, fuses, and power control for interfacing with the spacecraft electrical power subsystem. The electronics and power supply modules are mounted inside the spacecraft on the internal equipment panel. Group: Instrument_Details Entry_ID: GOES I-M IMAGER Group: Instrument_Identification Instrument_Category: Earth Remote Sensing Instruments Instrument_Class: Passive Remote Sensing Instrument_Type: Spectrometers/Radiometers Instrument_Subtype: Imaging Spectrometers/Radiometers Short_Name: GOES I-M IMAGER End_Group Group: Associated_Platforms Short_Name: GOES-8 Short_Name: GOES-9 Short_Name: GOES-10 Short_Name: GOES-11 Short_Name: GOES-12 End_Group Group: Spectral_Frequency_Information Wavelength_Keyword: VISIBLE Number_Channels: 1 Spectral_Frequency_Coverage_Range: 0.55 - 0.75 µm End_Group Group: Spectral_Frequency_Information Wavelength_Keyword: INFRARED > THERMAL Number_Channels: 1 Spectral_Frequency_Coverage_Range: 3.80 - 4.00 µm End_Group Group: Spectral_Frequency_Information Wavelength_Keyword: INFRARED > THERMAL Number_Channels: 1 Spectral_Frequency_Coverage_Range: 6.50 - 7.00 µm End_Group Group: Spectral_Frequency_Information Wavelength_Keyword: INFRARED > THERMAL Number_Channels: 1 Spectral_Frequency_Coverage_Range: 10.20 - 11.20 µm End_Group Group: Spectral_Frequency_Information Wavelength_Keyword: INFRARED > THERMAL Number_Channels: 1 Spectral_Frequency_Coverage_Range: 11.50 - 12.50 µm End_Group Online_Resource: http://noaasis.noaa.gov/NOAASIS/ml/imager.html Online_Resource: http://www.oso.noaa.gov/goes/goes-calibration/goes-imager-srfs.htm Group: Instrument_Logistics Instrument_Owner: USA/NASA Instrument_Owner: USA/NOAA End_Group End_Group (en)

Broader concept

Change note

  • 2018-04-05 15:09:55.0 [sritz] update PrefLabel (GOES I-M Imager);
  • 2021-08-05 12:12:01.0 [sritz] insert AltLabel (id: null category: primary text: GOES I-M IMAGER language code: en);

URI

https://gcmd.earthdata.nasa.gov/kms/concept/536bf692-3335-4ccc-8b77-53ba15ba054c

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