 type   sat    day    hms     lat     lon     hpa   spd   dir
WV11   DERIV   980826  1800   30.61    75.92   200    3.1  195
WV11   DERIV   980826  1800   30.32    75.74   200    3.3  190
WV11   DERIV   980826  1800   29.90    76.21   200    2.6  187
