../ dmsp_15_ephemeris_20200119.txt 22-Jun-2023 16:32 108029 dmsp_16_ephemeris_20200119.txt 22-Jun-2023 16:32 107932 dmsp_17_ephemeris_20200119.txt 22-Jun-2023 16:32 107966 dmsp_18_ephemeris_20200119.txt 22-Jun-2023 16:32 107993