The Advanced Land Observing Satellite ALOS, developed by JAXA, follows the Japanese Earth Resources Satellite-1 (JERS-1) and the Advanced Earth Observing Satellite (ADEOS). The mission includes 2 optical and an L-band active microwave sensor payload whose data may be used for such applications as cartography, regional observation, disaster observation, and resources surveying. ESA will provide data for the European and African region.
GeoEye-1, launched in September 2008, is an imaging satellite of DigitalGlobe Inc. of Longmont, CO, USA. The spacecraft is in a sun-synchronous orbit with an operating altitude of 681km.
Launched in March 1996 and ended in March 2004, IRS-P3 was an ISRO (Indian Space Research Organization) experimental EO mission, considered to be pre-operational and serving in parallel for technology evaluation and scientific methodology studies. IRS-P3 carried two remote sensing payloads: a Wide Field Sensor (WiFS) designed to study vegetation and a Modular Opto-electronic Scanner (MOS), dedicated to ocean and atmosphere monitoring.
JERS-1, launched in Feb 1992 and ended in Oct 1998, was a joint Japanese radar/optical mission with NASDA/JAXA lead. The overall objectives were the generation of global data sets with SAR and OPS sensors aimed at surveying resources, establishing an integrated Earth observation system, verifying instrument/system performances.
Kompsat-1 was a high resolution optical mission of Korea launched in 1999. Through a 3rd party mission agreement, ESA makes a sample dataset of European cities available from this satellite.
Landsat RBV (Return Beam Vidicon Camera) was flown on Landsat 1 to Landsat 3. Measurements were only conducted in daylight. RBV imaged an entire ground scene instantaneously, providing a greater cartographic fidelity than MSS.
Landsat Thematic Mapper (TM) is a multispectral scanning radiometer that was carried on board Landsats 4 and 5. The TM sensors have provided nearly continuous coverage from July 1982 to present. The Landsat Enhanced Thematic Mapper (ETM) was introduced with Landsat 7. ETM data cover the visible, near-infrared, shortwave, and thermal infrared spectral bands of the electromagnetic spectrum.
Launched on 24 October 1978, the Nimbus-7 platform was the last mission belonging to the Nimbus Program, a meteorological research-and-development satellite program. This series of seven satellites, aimed primarily at testing new instruments and technologies, was operated by NASA and NOAA. The Nimbus-7 spacecraft was designed to sense and collect atmospheric and ocean colour data, and eventually the Nimbus series grew into an important Earth sciences program.
QuickBird is an imaging satellite of DigitalGlobe Inc., USA, offering commercial imagery. QuickBird's global collection of panchromatic and multispectral imagery is designed to support applications ranging from map publishing to land and asset management to insurance risk assessment.
QuikSCAT mission is a NASA/JPL mission to providing continuity to data from the NASA Scatterometer (NSCAT) mission. QSCAT data provide all-weather, high-resolution measurements of near-surface winds over global oceans to determine atmospheric forcing, ocean response, and air-sea interaction mechanisms on various spatial and temporal scales. QSCAT is used in operational weather forecasting as well as in scientific research, by combining wind data with measurements from scientific instruments in other disciplines to provide a better understanding the mechanisms of global climate change and weather patterns.
Launched in 1978, SeaSat was a NASA/JPL Earth Observation experimental mission, which had onboard the first ever spaceborne synthetic aperture radar (SAR) system for science applications. During its brief 106-day lifetime, SeaSat collected more information about the oceans than had been acquired in the previous 100 years of shipboard research.
The WorldView-1 satellite was launched on 18 September 2007 and became the world's first 50 cm resolution commercial imaging satellite. WorldView-1 carries a panchromatic only instrument to produce black and white imagery.
WorldView-2, launched in October 2009, is an imaging satellite of DigitalGlobe Inc. of Longmont, CO, USA (follow-on spacecraft to WorldView-1). The overall objective is to meet the growing demand for high-resolution satellite imagery, providing 46 cm panchromatic resolution and 1.85 metre multispectral resolution.
With the launch of WorldView-3 on 13 August 2014, the DigitalGlobe constellation was able to set a new technological bar for commercial satellite imagery.
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