../ dmsp_15_ephemeris_20240127.txt 25-Oct-2024 20:40 107953 dmsp_16_ephemeris_20240127.txt 25-Oct-2024 20:40 107970 dmsp_17_ephemeris_20240127.txt 25-Oct-2024 20:40 107865 dmsp_18_ephemeris_20240127.txt 25-Oct-2024 20:40 108007