../ dmsp_15_ephemeris_20150328.txt 22-Jun-2023 16:19 108260 dmsp_16_ephemeris_20150328.txt 22-Jun-2023 16:19 108267 dmsp_17_ephemeris_20150328.txt 22-Jun-2023 16:19 108242 dmsp_18_ephemeris_20150328.txt 22-Jun-2023 16:19 108297 dmsp_19_ephemeris_20150328.txt 22-Jun-2023 16:19 108183