https://iswa.gsfc.nasa.gov/iswa_data_tree/model/heliosphere/sep_scoreboard/SEPSTER2D/1.X/2022/12/?C=M;O=A
Index of /iswa_data_tree/model/heliosphere/sep_scoreboard/SEPSTER2D/1.X/2022/12
https://iswa.gsfc.nasa.gov/iswa_data_tree/model/heliosphere/sep_scoreboard/SEPSTER2D/1.X/2022/12/?C=D;O=A
Index of /iswa_data_tree/model/heliosphere/sep_scoreboard/SEPSTER2D/1.X/2022/12