../ dmsp_15_ephemeris_20140319.txt 22-Jun-2023 16:37 108075 dmsp_16_ephemeris_20140319.txt 22-Jun-2023 16:37 108271 dmsp_17_ephemeris_20140319.txt 22-Jun-2023 16:37 108095 dmsp_18_ephemeris_20140319.txt 22-Jun-2023 16:37 108217