8 (Landsat ETM+ geometrical conditions) 2 19 13.00 -47.410 -20.234 (month,day,hh.ddd,long.,lat.) (hh.ddd=the decimal hour in universal time) 1 (tropical atmospheric mode) 1 (continental aerosols model) 15 (visibility in km (aerosol model concentration) -.600 (target at 600 m above sea level) -1000 (sensor on board of satellite) 64 (fourth band of ETM+ Landsat 7)