Model output file format:
Year DOY Hour Min Sec Lat[deg] Lon[deg] Height[km] VperpN[m/s] VperpE[m/s]
Here DOY is day of year, andVperpN is vertical drift [m/s] and VperpE is horizontal drift [m/s] toward the east at Jicamarca (Lat[deg], Lon[deg]) at 155 km height. Lat and Lon are geographic latitude and longitude.