http://congrexprojects.com/docs/12c25_2510/09stahele_astriumfinal.pdf?sfvrsn=2, 20) "PSLV-21 - 100th Indian Space Mission," ISRO brochure, Sept. 4, 2012, URL: http://www.isro.org/pslv-c21/pdf/pslv-c21-brochure.pdf, 21) "SPOT 6 joins Pléiades 1A in orbit," EADS Astrium, Sept. 9, 2012, URL: http://www.astrium.eads.net/en/press_centre/spot-6-joins-pleiades-1a-in-orbit.html, 22) "PSLV to Launch French Remote Sensing Satellite - SPOT - 6," IRSO Press Release, April 3, 2012, URL: http://www.isro.gov.in/pressrelease/scripts/pressreleasein.aspx?Apr03_2012, 23) "Launch of SPOT 7 completes Airbus Defence and Space observation satellite constellation," Airbus Defence and Space, June 30, 2014, URL: http://www.space-airbusds.com/en/press_centre/launch-of-spot-7-completes-airbus-defence-and-space-observation-satellite.html, 24) Patrick Blau, "India's PSLV Rocket successfully delivers SPOT-7 & Small Satellites to Orbit," Spaceflight 101, June 30, 2014, URL: http://www.spaceflight101.com/pslv-c23---spot7-launch-updates.html, 25) "PSLV-C23 brochure," ISRO, URL: http://www.isro.org/pslv-c23/pdf/pslv-c23-brochure.pdf, 26) "AISat satellite transmits from space," DLR, June 30, 2014, URL: http://www.dlr.de/dlr/en/desktopdefault.aspx/tabid-10081/151_read-10812/year-all/#/gallery/15477, 27) "Airbus to provide near real-time access to its satellite data," Airbus Press Release, 30 Jan. 2018: URL: http://www.airbus.com/content/dam/corporate-topics/publications/press-release/Press%20Release%20CIS%2030012018%20ENG.pdf, 28) "SPOT 6/7 Farming Just Got Better with Improved Satshot Mapping Imagery and Airbus," Satnews Daily, Aug. 28, 2017, URL: http://www.satnews.com/story.php?number=613604642, 29) "SPOT 6/7 imagery for improved efficiency of US agriculture," GeoConnexion, Aug. 28, 2017, URL: http://www.geoconnexion.com/news/spot-6-7-imagery-for-improved-efficiency-of-us-agriculture/, 30) "Airbus and Scanex to feed Russia's most popular search engine Yandex with "One Atlas" satellite imagery data," Airbus DS, May 24, 2017, URL: https://airbusdefenceandspace.com/newsroom/news-and-features/airbus-and-scanex-to-feed-russias-most-popular-search-engine-yandex-with-one-atlas-satellite-imagery-data/. Priority requests outside of the region of responsibility are managed in coordination with the other party to define the best scenario to serve efficiently all customers' demands. 10), The main building blocks of the instrument are: 62). 52). The SPOT-6/-7 (AstroTerra) architecture comprises a ground segment divided into two major parts: • The CGS (Control Ground Segment), in charge of controlling, commanding and monitoring the SPOT-6 and SPOT-7 satellites on their orbit, and maintaining the orbit. Payload data are being stored in NAND flash memory technology SSR (Solid State Recorder) based on integrated CoReCi (Compression Recording and Ciphering) units of Airbus DS, available at various capacities ranging from 1 Tbit to ~ 10 Tbit. pourquoi le Sars-CoV-2 est-il si infectieux ? 2.2 x 106 km2 /day average, 832 km, sun-synchronous, 12). Legend to Figure 27: Bora Bora is an atoll island in the wind which means "first born." It was a group effort and we are excited to be a part of this team.". Higher power demand can be satisfied with MPPT (Maximum Power Point Tracker) regulation based PCDU, which can be selected from a set of different peak power values. - "When facing crises, time is critical. The detector exhibits excellent characteristics that significantly contribute to the instrument very high optical performance. This eases the thermal control of the optical heads and allows continuous attitude measurement, whether the satellite is facing Earth, the Sun or other bright objects. 30). without use of ground control point, is better than 20 m CE90 and even 10 m for the automatic orthos. MS: 10 m, SWIR: 20 m, 60 km (1 imager) Note: The AstroBus-L platform is also referred to as AstroSat-250 (or AS250). In tri-stereo, the nadir image peers straight down into the natural or man-made valleys to capture all features and ground surfaces, resulting in more complete and accurate DEM (Digital Elevation Model) datasets (Ref. Astrium agreed to acquire most of French space agency CNES's holding in Spot Image, giving it an 81% stake in the Toulouse-based optical imaging specialist with five subsidiaries and strategic agreements around the world. With our 24/7 Emergency Service, offering an image delivery time averaging two hours after acquisition, emergency situations can be treated with an even higher priority and our customers and partners will receive their mission critical satellite images much faster," said François Lombard, Head of the Intelligence Business at Airbus Defence and Space. The SPOT-6/-7 spacecraft will operate in tandem with the 1 m resolution TerraSAR-X and TanDEM-X radar satellites of DLR, whose commercial data is available to Astrium affiliate Infoterra, and the high-resolution Pleiades-1 and -2 spacecraft. The SPOT-7 spacecraft will join the orbit in which its twin, SPOT 6, and the very-high-resolution observation satellites Pleiades 1A and 1B are located, and will be positioned at 180º in relation to SPOT 6 (Figure 13). • The customer Operator Segment also called Exploitation Ground Segment made of: - A network of AstroTerra DRS (Direct Receiving Stations), - An AstroTerra Polar Center, located in Kiruna, Sweden. • SPOT-6 and -7 are still operated as a true constellation on the same orbit and phased 180º from each other. The system has successfully downlinked images on 4 passes over the Toulouse station and 8 passes over the Kiruna station. Imagery is downlinked instantly from the optical and radar satellites operated by Airbus Defence and Space each time they pass over these stations, making it possible to deliver fresh information from any area of interest very quickly. EPS (Electrical Power Subsystem): The EPS is built around an unregulated 28 V Power Bus. - Comments and corrections to this article are always welcome for further updates (firstname.lastname@example.org). Charte de protection des données personnelles. The construction was initiated by Spot Image of Toulouse (France), and EADS Astrium in 2008, and officially announced in mid 2009, by Astrium Services’ CEO Eric Beranger. The service is also designed to be flexible, providing the possibility of last-minute modifications or cancellations. SPOT-7, the Earth-observation satellite designed and built by Airbus Defence and Space, was commercially launched today, making its high-resolution imagery available to all users. The AstroSat-250 standard architecture reflects the large experience gained by Astrium in many Earth Observation missions. While standard precise attitude control is performed without the support of a gyro, an optional inertial measurement unit can be added for attitude control improvement. - "Yandex.Maps proposes detailed maps of most countries, and satellite layer," said Andrey Strelkov, Yandex's head of geolocation products. Ciphering functions are available either integrated within the OBC or in form of an add-on unit to the OBC called DCU. Figure 18: Overview of the SPOT constellation missions since 1986 (image credit: ESA, CNES) 41), SPOT 1-5: CNES This nadir image in the tri-stereo dataset vastly enhances the quality of elevation data extracted from the stereo images. Figure 40: Astrium - GEO-Information Services Worldwide (image credit: EADS Astrium), ERMEX receiving station: In the spring of 2012, Astrium Services signed an agreement with the government of Mexico to upgrade the ERMEX receiving station south of Mexico City.
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