available_RGTs          Reference Ground Tracks (RGTs)
available_nominal_orbits
                        Nominal mission orbits
degrees_to_global_grid
                        Create a global grid based on degrees
getTracks               Get the ICESAT-2 Tracks
get_atlas_data          Get IceSat-2 ATLAS data for a specific Date
get_level3a_data        Get IceSat-2 ATLAS 'Level-3A' data for a time
                        interval (up to 1 year)
latest_orbits           Extracting the download url's from the
                        Technical Specs website
overall_mission_orbits
                        Overall Mission Orbits
revisit_time_RGTs       Revisit Time Reference Ground Tracks and Dates
select_aoi_global_grid
                        R6 Class to Select an Area of Interest (AOI)
                        from a Global Grid
time_specific_orbits    Time Specific Orbits
vsi_kml_from_zip        Utilizing Virtual File Systems (vsi) to extract
                        the .kml from the .zip file
vsi_nominal_orbits_wkt
                        Utilizing Virtual File Systems (vsi) and Well
                        Known Text (WKT) to access nominal orbits
vsi_time_specific_orbits_wkt
                        Utilizing Virtual File Systems (vsi) and Well
                        Known Text (WKT) to access time specific orbits
