latitude deg [min] [sec]where deg min sec is the position in degrees, arc minutes, and arc seconds north. deg might also be a float number. min and sec may be obmitted. The latitude information will be used for the following:
latitude in combination with longitude, time, and any map-option is used to select the location where to read the input data.
latitude in combination with longitude and time is used to calculate the solar zenith angle, if no sza is specified (see also time_interval).
latitude in combination with longitude and time is used to choose a suitable default atmosphere file, if no atmosphere_file is specified.