../ dmsp_15_ephemeris_20140920.txt 22-Jun-2023 16:39 109517 dmsp_16_ephemeris_20140920.txt 22-Jun-2023 16:39 109716 dmsp_17_ephemeris_20140920.txt 22-Jun-2023 16:39 109704 dmsp_18_ephemeris_20140920.txt 22-Jun-2023 16:39 109748 dmsp_19_ephemeris_20140920.txt 22-Jun-2023 16:39 109685