../ dmsp_15_ephemeris_20140819.txt 22-Jun-2023 16:39 109437 dmsp_16_ephemeris_20140819.txt 22-Jun-2023 16:39 109653 dmsp_17_ephemeris_20140819.txt 22-Jun-2023 16:39 109587 dmsp_18_ephemeris_20140819.txt 22-Jun-2023 16:39 109575 dmsp_19_ephemeris_20140819.txt 22-Jun-2023 16:39 109679