../ dmsp_15_ephemeris_20140923.txt 22-Jun-2023 16:39 109614 dmsp_16_ephemeris_20140923.txt 22-Jun-2023 16:39 109554 dmsp_17_ephemeris_20140923.txt 22-Jun-2023 16:39 109668 dmsp_18_ephemeris_20140923.txt 22-Jun-2023 16:39 109790 dmsp_19_ephemeris_20140923.txt 22-Jun-2023 16:39 109584