../ dmsp_15_ephemeris_20140818.txt 22-Jun-2023 16:39 109512 dmsp_16_ephemeris_20140818.txt 22-Jun-2023 16:39 109631 dmsp_17_ephemeris_20140818.txt 22-Jun-2023 16:39 109830 dmsp_18_ephemeris_20140818.txt 22-Jun-2023 16:39 109793 dmsp_19_ephemeris_20140818.txt 22-Jun-2023 16:39 109692