../ dmsp_15_ephemeris_20140728.txt 22-Jun-2023 16:38 109515 dmsp_16_ephemeris_20140728.txt 22-Jun-2023 16:38 109501 dmsp_17_ephemeris_20140728.txt 22-Jun-2023 16:38 109755 dmsp_18_ephemeris_20140728.txt 22-Jun-2023 16:38 109633 dmsp_19_ephemeris_20140728.txt 22-Jun-2023 16:38 109702