Hello, on this zip file you have : SPOTWankama050627_3x3TOC.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 : 27/6/2005 Acquisition Hour : 10:25:36 Samples : 166 Lines : 151 Bands : 4 Band4 : SWIR = 1580-1750 nm Solar zenith angle (°) : 20.53 Solar azimuth angle (°) : 58.81 REFLECTANCE = DIGITAL COUNT / 1000 TOC reflectance (Top of Canopy) PROJECTION CHARACTERISTICS The geo-location and the atmospheric correction were performed by POSTEL Service Centre (2006). Map Projection Name : UTM 31 North Datum : WGS-84 Unit : Meter Pixel Size (Easting) : 2.0000000000e+001 Pixel Size (Northing) : 2.0000000000e+001 Upper Left Corner Easting : 458900.0000 Upper Left Corner Northing : 1510000.0000