../ dmsp_15_ephemeris_20130705.txt 22-Jun-2023 16:35 109520 dmsp_16_ephemeris_20130705.txt 22-Jun-2023 16:35 109472 dmsp_17_ephemeris_20130705.txt 22-Jun-2023 16:35 109632 dmsp_18_ephemeris_20130705.txt 22-Jun-2023 16:35 109655