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BNSC Agency Report

BNSC Agency Report. to WGISS22 Annapolis, September 2006. Wyn Cudlip BNSC/QinetiQ wcudlip@qinetiq.com. Current Instruments ATSR2 on ERS-2 http://www.atsr.rl.ac.uk/ AATSR on Envisat http://envisat.estec.esa.nl/instruments/aatsr/

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BNSC Agency Report

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  1. BNSC Agency Report to WGISS22 Annapolis, September 2006 Wyn Cudlip BNSC/QinetiQ wcudlip@qinetiq.com

  2. Current Instruments ATSR2 on ERS-2 http://www.atsr.rl.ac.uk/ AATSR on Envisat http://envisat.estec.esa.nl/instruments/aatsr/ CHRIS on Proba http://www.chris-proba.org.uk/ Disaster Management Constellation http://www.sstl.co.uk/ Small Satellites TopSat – launched October 2005. http://www.qinetiq.com/industries/space/spacecraft_technology/case_study_topsat/ Planned Medium Satellites TerraSAR L-Band http://www.infoterra-global.com/terrasar.html BNSC Instruments/Missions

  3. Project for On-Board Autonomy ESA mission (on Indian Launcher in 2000) Platform technology demonstrator 615 km sun synchronous orbit. Free ride for: CHRIS - Compact High-Resolution Imaging Spectrometer SREM - Radiation measurement sensor DDEBIE - debris measurement sensor Wide angle Earth pointing camera Star tracker and gyroscope PROBA

  4. Compact High-Resolution Imaging Spectrometer operates from 400 nm to 1050 nm 14km swath 63 bands at 36m resolution or 18 bands at 18m resolution Science Team include: University of Swansea ESSC, University of Reading University of Plymouth CHRIS

  5. Disaster Management Constellation (DMC) • 32m res., 600km swath. • 5 satellites in orbit; can provide daily coverage • UK, Algeria, Turkey, Nigeria, China • Surrey Satellite (SSTL) Platform.

  6. TerraSAR L-Band • Working in tandem with German TerraSAR X-Band • X-band: 1-3 m res.; twin polarisation. • L-Band: 5m res.; multi-pol • (HH, HV, VH, VV). • Launch 2007 - 5 year mission • 25 Products Feed into InfoTerra • to satisfy wide-ranging commercial market place. • Possible ESA involvement

  7. TopSat Summary • Optical imagery (at Nadir) with Ground Sampling Distance of • 2.8m pan (17 x 17 km) • 5.6m multi-spectral (12 x 12 km) • Sun-synchronous orbit (686km) • Low cost demonstrator (20M$) • Launched 27 October • All main technical objectives achieved • Data download to mobile antenna

  8. Trailer TopSat tracking and data reception 2.7m antenna 2 hours set up time Very rapid downlinking to user – data on ground within 2 minutes of imaging RAPIDS The trailer towed by a Land Rover, which contains local image processing and visualisation facilities. RAPIDS has already been demonstrated with ERS and SPOT.

  9. Current Status • Launched successfully on a Cosmos rocket 27 October 2005. [07:52 BST] • Telemetry received on 1st UK pass • Orbit altitude 686km, 1045 LTAN • Commissioning complete – all main functionality proven • Ops underway – delivering images to users

  10. Atlantic City, New Jersey

  11. Atlantic City, New Jersey

  12. Central London

  13. Central London

  14. TopSat Follow-on Concepts • TopSat Plus: Similar resolution to TopSat demonstrator; greater imaging size, capacity, accuracy & greater lifetime • TopSat Enhanced: Pushing towards limit of current camera design, and lowering altitude to achieve 1.65m resolution (pan). • TopSat One Metre: Aspiration to achieve 1m resolution with low cost spacecraft – subject to developments in lightweight optics and structures • Low costs supports constellations to give high timeliness

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