../ dmsp_15_ephemeris_20140928.txt 22-Jun-2023 16:39 109632 dmsp_16_ephemeris_20140928.txt 22-Jun-2023 16:39 109570 dmsp_17_ephemeris_20140928.txt 22-Jun-2023 16:39 109742 dmsp_18_ephemeris_20140928.txt 22-Jun-2023 16:39 109581 dmsp_19_ephemeris_20140928.txt 22-Jun-2023 16:39 109695