Radiometers
[Source: National Space Science Data Center, http://nssdc.gsfc.nasa.gov/nmc/experimentDisplay.do?id=1976-091A-02 ] Special Sensor H (SSH) was a vertical temperature profile radiometer (VTPR). The objective of this experiment was to obtain vertical temperature, water vapor, and ozone profiles of the atmosphere to support Department of Defense resuirements in operational weather analysis and forecasting. The SSH was a 16-channel sensor with one channel (1022 cm-1) in the 10-micrometer ozone absorption band, one channel (835 cm-1) in the 12-micrometer atmospheric window, six channels (747, 725, 708, 695, 676, 668.5 cm-1) in the 15-micrometer CO2 absorption band, and eight channels (535, 408.5 441.5, 420, 374, 397.5, 355, 353.5 cm-1) in the 22- to 30-micrometer rotational water vapor absorption band. The experiment consisted of an optical system, detector and associated electronics, and a scanning mirror. The scanning mirror was stepped across the satellite subtrack, allowing the SSH to view 25 separate columns of the atmosphere every 32 s over a cross track ground swath of 2000 km. While the scanning mirror was stopped at a scene station, the channel filters were sequenced through the field of view. The surface resolution was approximately 39 km at nadir. Radiance data were transformed into temperature water vapor and ozone profiles by a mathematical inversion technique. A more complete description of the experiment can be found in the report, 'DMSP Block 5D Special Meteorological Sensor H, Optical Subsystem,' D. A. Nichols, Optical Engineering, 14, No. 4, 284-288, July-August 1975. Group: Instrument_Details Entry_ID: MFR/SSH Group: Instrument_Identification Instrument_Category: Earth Remote Sensing Instruments Instrument_Class: Passive Remote Sensing Instrument_Type: Spectrometers/Radiometers Instrument_Subtype: Radiometers Short_Name: MFR/SSH Long_Name: MULTICHANNEL FILTER RADIOMETERS/SPECIAL SENSOR H (SSH) End_Group Group: Associated_Platforms Short_Name: DMSP 5D-1/F4 Short_Name: DMSP 5D-1/F1 Short_Name: DMSP 5D-1/F2 End_Group Group: Spectral_Frequency_Information Wavelength_Keyword: Infrared > Thermal Number_Channels: 1 Spectral_Frequency_Coverage_Range: 10 μm End_Group Group: Spectral_Frequency_Information Wavelength_Keyword: Infrared > Thermal Number_Channels: 1 Spectral_Frequency_Coverage_Range: 12 μm End_Group Group: Spectral_Frequency_Information Wavelength_Keyword: Infrared > Thermal Number_Channels: 6 Spectral_Frequency_Coverage_Range: 15 μm End_Group Group: Spectral_Frequency_Information Wavelength_Keyword: Infrared > Thermal Number_Channels: 8 Spectral_Frequency_Coverage_Range: 22 μm - 30 μm End_Group Online_Resource: http://nssdc.gsfc.nasa.gov/nmc/experimentDisplay.do?id=1976-091A-02 Creation_Date: 2008-09-24 Group: Instrument_Logistics Instrument_Owner: NASA End_Group End_Group
MFR/SSH