Hello, on this zip file you have : SPOTCamerons040406_4x4.bil Subset of the SPOT4/HRVIR1 Generic Binary array file (data stored by row), band interleaved by line (BIL) format Data are stored in the order (line1,band1),(line1,band2),(line1,band3),(line1,band4),(line2,band1),... Data format is an unsigned integer (2 bytes) Data Type is litlle endian (Host Intel, ENVI data type=0) Pixels are registered by their upper left corner Envi header file (.hdr) is available GENERAL CHARACTERISTICS Acquisition Date : 6/4/2004 Acquisition Hour : 2:6:22 Samples : 202 Lines : 202 Bands : 4 Solar zenith angle (°) : 49.94 Solar azimuth angle (°) : 44.63 PROJECTION CHARACTERISTICS This image was geo-referenced by SPOTImage (SPOTViewBasic product) Map Projection Name : UTM, 50 South Datum : WGS-84 Units : units=Meters Pixel Size (Easting) : 2.0000000000e+001 Pixel Size (Northing) : 2.0000000000e+001 Upper Left Corner Easting : 427998.124 Upper Left Corner Northing : 6395013.759 RADIOMETRIC CHARACTERISTICS REFLECTANCE = DIGITAL COUNT / 1000 TOA reflectance (Top of Atmosphere)