../ dmsp_15_ephemeris_20140831.txt 22-Jun-2023 16:39 109480 dmsp_16_ephemeris_20140831.txt 22-Jun-2023 16:39 109652 dmsp_17_ephemeris_20140831.txt 22-Jun-2023 16:39 109735 dmsp_18_ephemeris_20140831.txt 22-Jun-2023 16:39 109779 dmsp_19_ephemeris_20140831.txt 22-Jun-2023 16:39 109657