../ dmsp_15_ephemeris_20130324.txt 22-Jun-2023 16:34 108200 dmsp_16_ephemeris_20130324.txt 22-Jun-2023 16:34 108237 dmsp_17_ephemeris_20130324.txt 22-Jun-2023 16:34 108206 dmsp_18_ephemeris_20130324.txt 22-Jun-2023 16:34 108193