Hello, on this zip file you have : SPOTCounami021001_3x3TOA.bil Subset of the SPOT4/HRVIR1 Generic Binary array file, band interleaved by line (BIL) format Data format is an unsigned integer (2 bytes), Little Endian Data are stored in the order (line1,band1),(line1,band2),(line1,band3),(line1,band4),(line2,band2),... Pixels are registered by their upper left corner Envi header file (.hdr) is available GENERAL CHARACTERISTICS Acquisition Date : 1/10/2002 Acquisition Hour : 14:19:27 K-J Identification : 689-339 Samples : 152 Lines : 152 Bands : 4 Band4 : SWIR = 1580-1750 nm View zenith angle (°) : 29.30 View azimuth angle (°) : 279.10 Solar zenith angle (°) : 17.86 Solar azimuth angle (°) : 117.45 REFLECTANCE = DIGITAL COUNT / 1000 PROJECTION CHARACTERISTICS This image was geo-referenced by SPOTImage (SPOTViewBasic product) Map Projection Name : UTM 22, North Datum : WGS-84 Units : units=Meters Pixel Size (Easting) : 2.0000000000e+01 Pixel Size (Northing) : 2.0000000000e+01 Upper Left Corner Easting : 250589.175 Upper Left Corner Northing : 592601.086 TOA reflectance (Top of Atmosphere)