ADI'DAS Radar Image Preview Database
Oceanic phenomena / Internal waves

Image Preview

Image name sirclx9404112131
Platform/Sensor SIR-C / X-SAR 
Flight altitude/speed 225 km / 7.8 km/s
Image partition 4 fragments:L-VV, L-HH, L-HV, X-VV
Wavelength(s)/Frequency(ies)/Band(s) L band: 1.25 GHz / 0.24 m; X band: 9.60 GHz / 0.031 m
Polarization(s) L band: VV, HH, HV; X band: VV
Incidence angle(s) L band: 22.0° X band: 21.2°
Calibration Preview images:linear power, gray scale individually optimized for each channel
Full images: calibrated absolute NRCS
Date/Time April 11, 1994 / 21:31
Area Galapagos Islands III, data take 40.05
Coordinates Image center: L band: 1°30.2' S 90°28.2' W; X band: 1°27' S 90°29' W
Track direction at image center: L band:150.1°; X band: 150.1°
Surface geometry L band: 50.750km*99.950km; X band: 38.700km*102.500km
Location map Not available
Other signatures seen in the image Oceanic front, atmospheric front

Supplementary information: not available

Source image:
image size: L band: 4060*7996; X band: 3096*8200; pixel size: 12.5m*12.5 m
file size: L band: 124 MB per frequency and polarization; X band: 97 MB (assuming 4 byte float array, full resolution);
contact: Roland Romeiser,  romeiser@ifm.uni-hamburg.de     Susanne Ufermann, s.ufermann@soton.ac.uk

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