the convair 580 sar facility – recent activities and ...workshop...sub-orbital platforms and...
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The Convair 580 SAR Facility – Recent Activities and Future Opportunities
Dr. Carl E. BrownEmergencies Science and Technology SectionEnvironment CanadaOttawa, Ontario
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ESTS Airborne Remote Sensing
• DC-3, C-GRSB– Oil spill remote sensor R&D– Operational emergency and
oil spill response
• Convair 580, C-GRSC– Available for rapid response, all weather oil spill mapping– Advanced SAR data collection flights for federal departments
and agencies - VNR
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Convair 580 SAR Facility
• EC took over operation of the CV-580 in November 1996 from CCRS/NRCan
• Objectives– Retain advanced SAR facility capability for federal government – Operational all-weather oil spill response capability
• Initially operating under commercial and private state operating certificates
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C-GRSC
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CV 580 SAR System
• Advanced airborne SAR system– C- and X-band systems– 6 m resolution– Variable viewing geometry
(nadir, narrow, wide)• C-band full polarimetric capabilities
HH, HV, VH, VV polarizations• C-band interferometric modes (InSAR)
– Along-track– Across-track
Image courtesy Doug Percy
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SAR Transmitters/Receivers
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SAR Data Products
• Real-time and post-flight data streams• Real-time
– Imagery recorded onto hard disk and 8 mm digital tapes, VHS video tape, imagery available on CD in common formats (e.g. tif, jpg), also 64-level grayscale hardcopy
Image courtesy DRDC-O
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SAR Data Products
• Signal data - Post-flight data processing– Recorded on digital video tape (helical scan)– Transcribed onto 8 mm tapes for processing– Processing at DRDC-O (includes geometric and radiometric
calibration)
• Now recorded directly onto hard disk to enhance reliability and avoid need for timely transcription process
– Recent development courtesy DRDC-O – (Dr. Chuck Livingstone)
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Convair History (CCRS/NRCan)
• The Convair 580 SAR system has been used for the development of SAR data processors, algorithm development, the pre-launch simulation of space-borne SAR systems (e.g. RADARSAT-1, ERS-1 and JERS-1) and the testing and evaluation of new SAR modes (polarimetric and interferometric)
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Environment Canada Convair 580 - RADARSAT-2• Canadian Space Agency undertook a flight program with
the Convair-580 SAR in the early 2000s to help the SAR user community prepare for the advanced features of RADARSAT-2
– Enhanced polarization capabilities– including like-polarization, cross-polarization, dual-polarization,
and in the polarimetric mode (HH + VV +HV +VH)
– GMTI/MODEX• Data collection flights over a variety of targets to
simulate RADARSAT-2 data• Provided data sets and polarimetric software to user
community
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Polarimetric Applications
Images courtesy CCRS/CCT
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CV 580 – Late 1990s & Early 2000s
Clients• CSA• CCRS• DREO / DRDC-O• TSB• EC-MSC (Canadian Ice Service)• AgCan• GSC
SAR Modes• Polarimetric, InSAR / GMTI, Bistatic, X/C 4-channel, C 2-
channel Envisat simulation, RADARSAT-2 simulation
Images courtesy CCRS/CCT
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Environment Canada – Late 2000s
• DND AIMP Radar Development and Testing Program• Replacement for Aurora Search and Rescue Radars• Economical alternative
– Use existing SAR pedestal to mount new AIMP radar
– Construct new larger radome
– Flight testing and certification of radome
– Numerous flights in Ottawa area & Maritimes
– Advanced SAR modes
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Late 2000s – DRDC-O
• DRDC-O Dr. Chuck Livingstone• C-band fully polarimetric SAR• Flights in Ottawa area and 3 week acquisition program
on west coast, based out of Victoria, BC – Under-flights of RADARSAT-2– GMTI mode– Testing of new solid-state data recording system
• 2nd maritime flight program, east coast
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Current and Future Opportunities
• DRDC-O flight program (Chuck Livingstone) late summer early fall 2010
The Future?
• Other SAR or Electro-Optical sensor testing?• Satellite sensor validation flights?
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Thanks!! Convair Support
• Aircraft Flight Operations, Maintenance– Bryan Healey, Bill Chevrier, Doc O’Connor,
Theo van Westerop, Iain Bogie, John Mintha• Flight Planning/Project Coordination
– Bill Bayer, Bryan Healey, Bill Chevrier• Operational Support
– Lloyd Gamble, Dave Roy, Ina Henry• Scientific Support
– Bob Hawkins, Chuck Livingstone, Kevin Murnaghan, Paul Daleman …• Operators/Sensor Maintenance
– Reid Whetter, Doug Percy, Richard Marois• Partners
– CSA Daniel Delisle– DRDC-O, CCRS, RSI, EC/CIS, DND/AIMP, NRC/IAR
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Questions?