../ dmsp_15_ephemeris_20140810.txt 22-Jun-2023 16:39 109541 dmsp_16_ephemeris_20140810.txt 22-Jun-2023 16:39 109608 dmsp_17_ephemeris_20140810.txt 22-Jun-2023 16:39 109685 dmsp_18_ephemeris_20140810.txt 22-Jun-2023 16:39 109671 dmsp_19_ephemeris_20140810.txt 22-Jun-2023 16:39 109652