ESA Data Ontology: ESADO: MLA

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MLA

The SPOT series of satellites carry two nominally identical High Resolution Visible (HRV) imagers which can be operated independently or in various coupled modes. They have four straight and continuous virtual sensing lines, with 6000 basic sensing elements per line. These instruments are, however, not limited to nadir viewing. Each HRV contains a pointable mirror apparatus which allows the imaging direction to be varied at user-selected angles. Each HRV imager has two sensing modes. They are known as the Multi-Linear Array (MLA) and the Panchromatic Linear Array (PLA) sensors. The MLA sensor captures data in three spectral bands: 500 - 590 nm, nominal ground resolution of 20 metres at nadir. The PLA sensor captures data in the spectral range 510 - 730 nm at a 10 metre nominal ground resolution at nadir. Data are archived at a rate of approximately 100,000 (60 km x 60 km) scenes per year. Each data set contains visible and near-infrared radiance data. The data are stored on h igh density tapes and are available in Digital and film format at a variety of processing levels from raw levels to fully-processed products registered to the Canadian National Topographic Map series. The data are offered in LGSOWG, EOSAT fast format and ARCinfo. Additional information available at "http://cgdi.gc.ca/CGDI.cfm/fuseaction/data.details/id/3788/gcs.cfm" [Summary provided by GeoConnections] (en)

https://gcmd.earthdata.nasa.gov/kms/concept/49c18248-f7db-4874-829e-31222af91350

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ESA Data Ontology