../ dmsp_15_ephemeris_20140409.txt 22-Jun-2023 16:16 108193 dmsp_16_ephemeris_20140409.txt 22-Jun-2023 16:16 108235 dmsp_17_ephemeris_20140409.txt 22-Jun-2023 16:16 108284 dmsp_18_ephemeris_20140409.txt 22-Jun-2023 16:16 108254 dmsp_19_ephemeris_20140409.txt 22-Jun-2023 16:16 108299