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AATSR has three channels at thermal infrared wavelengths, from which surface temperatures are derived over both sea and land surfaces. In addition, AATSR has four visible and near-infrared wavelength channels which are used to identify cloudy areas and to measure solar radiation that is scattered and reflected from the Earth’s surface and ...
The NASA-ISRO Synthetic Aperture Radar (NISAR) mission is a joint project between NASA and ISRO to co-develop and launch a dual-frequency synthetic aperture radar on an Earth observation satellite in 2025. The satellite will be the first radar imaging satellite to use dual frequencies.
Based on its experiences with the launching of short-range theater missiles by Iraq during the 1991 Persian Gulf War, the U.S. Department of Defense (DoD) concluded that expanded theater missile warning capabilities were needed, and it began planning for an improved infrared satellite sensor capability that would support both long-range strategic and short-range theater ballistic missile ...
The variable scanning modes make GOES-16 the first GOES satellite to be configurable while in orbit. [31] In addition, a solar diffuser new to GOES-16 allows for calibration of the ABI imaging data. [27] On 2 April 2019, the GOES-16 ABI was reconfigured to use scan mode 6 as a default, allowing full disk scans every 10 minutes. [32] [33]
The Visible Infrared Imaging Radiometer Suite (VIIRS) is a sensor designed and manufactured by the Raytheon Company on board the polar-orbiting Suomi National Polar-orbiting Partnership (Suomi NPP), NOAA-20, and NOAA-21 weather satellites. [1] VIIRS is one of five key instruments onboard Suomi NPP, launched on October 28, 2011. [2]
As defined in the initial proposal, MIDAS would use infrared sensors from high above the Soviet Union to detect ICBM launches and give early warning of a thermonuclear attack. [5] The plan called for a 10-satellite research and development program between November 1959 and May 1961. After that time, a full-scale operational system would be ...
Failed to reach orbit. Landsat 6 was an upgraded version of its predecessors. Carrying the same Multi spectral Scanner (MSS) but also carrying an Enhanced Thematic Mapper, which added a 15m resolution panchromatic band. Landsat 7: 15 April 1999: 19 January 2024: 25 years, 7 months and 19 days: Operating with scan line corrector disabled since ...
As opposed to an ordinary forward looking infrared system, an IRST system will actually scan the space around the aircraft similarly to the way in which mechanically (or even electronically) steered radars work. The exception to the scanning technique is the F-35's DAS, which stares in all directions simultaneously, and automatically detects ...