SPOT

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SPOT

• By Larry Wright
• ASCI 511

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Overview

• What Is SPOT
• Types of Applications
• Conclusion

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Satellites Pour lObservation de la Terre or
Earth-observing Satellites

• French Satellite Constellation
• Partnered With Belgium And Sweden
• 3 Satellites Initially
• Currently 4

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SPOT 1,2,3 Configuration

• 60 KM x 60 KM Images
• 2 HRV (Visible High-Resolution) optical
  instruments
• P Mode
• visible part of the spectrum
• XS Mode
• Multispectral-Green, Red, Infrared bands EM
  spectrum
• Data Recorders
• Magnetic Tapes
• Transmission System (downlink)
• Send Image To Ground Receiver Station

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HRV Haarlem, The Netherlands
HRVAlgeria
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SPOT 1,2,3

• Altitude 822 km Inclination 98 degreesOrbit
  sun-synchronous polarPeriod of revolution 101
  minutesRepeat cycle 26 day
• SPOT 1 (21/02/1986 - still operational)  
• SPOT 2 (21/01/1990 - still operational)  
• SPOT 3 (25/09/1993 - 14/11/1996)

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SPOT 4

• More Advanced Than SPOT 1,2,3
• 2,250 KM x 2,250 KM Images With Better Resolution
• 2 HRVIR Sensors (Visible Infrared
  High-Resolution)
• additional spectral band in the middle-infrared
  band (1.58-1.75 µm)
• Panchromatic (0.51-0.73 µm) Bands Replaced
• B2 (0.61-0.68 µm) Band Added
• Onboard Superimposition Of All Spectral Bands
• 1 Vegetation Sensor (Climate Research)
• Independent of HRVIR Sensors
• Infrared Band

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FIRES IN CORSICA
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SPOT 4

• Altitude 830 km Inclination 98 degreesOrbit
  sun-synchronous polarPeriod Of Revolution 101
  minutesRepeat Cycle 26 days
• SPOT 4 (24/03/1998 still operational)

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SPOT 5

• Improvements Compared To SPOT 4
• Dedicated Instrument For Along Track Stereo
  Acquisition
• Higher Ground Resolution
• Multispectral Mode 10 m (instead of 20 m) in all
  3 spectral bands in the visible and near infrared
  ranges
• HRG Sensors (High Resolution Geometric)

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SPOT 5

• Altitude 832 km Inclination 98 degreesOrbit
  sun-synchronous polarPeriod of revolution 101
  minutesRepeat cycle 26 days
• SPOT 5 (04/05/2002 still operational)

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Applications

• Agricultural
• Environmental
• Color Of Sea Water (Oceanography)
• Updating Obsolete Digital Maps
• Mapping Un-charted Regions
• Land Use Maps or Natural Resource Maps
• Making New Thematic Layers

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Conclusion

• What Is SPOT
• Types Of Applications

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References

• http//www.spot.com/html/SICORP/_401_402_536_.php
  
• http//telsat.belspo.be/bEO/en/satellites/spot.htm
  
• http//www.spot.com/html/SICORP/_401_402_403_405_.
  php

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• QUESTIONS????