Author: Pierre Lauber ILRS Combined Range Bias Report 2 ********************************* 2026-02-13 00:00 UT - 2026-02-21 00:00 UT Compiled by: SLR Observatory Zimmerwald Date : 2026-02-21 12:30 UT E-Mail : pierre.lauber@unibe.ch ------------------------------------------------------------- 1874 MDVS Mendeleevo HIT-U JCET CODE sat wl rb pr rb pr rb pr ------------------------------------------------------------- 1874 2026-02-17 16:46 ETA1 532 -30 3 ------------------------------------------------------------- 1874 Average 532 -30 3 ------------------------------------------------------------- ------------------------------------------------------------- 1884 RIGL Riga HIT-U JCET CODE sat wl rb pr rb pr rb pr ------------------------------------------------------------- 1884 2026-02-14 21:51 F102 532 -16 7 1884 2026-02-15 01:35 AJIS 532 59 2 1884 2026-02-17 16:49 ETA1 532 -22 18 25 20 1884 2026-02-20 20:51 ETA2 532 8 26 1884 2026-02-20 23:27 ETA1 532 18 8 ------------------------------------------------------------- 1884 Average 532 9 12 25 20 ------------------------------------------------------------- ------------------------------------------------------------- 1888 HIT-U JCET CODE sat wl rb pr rb pr rb pr ------------------------------------------------------------- 1888 2026-02-14 02:30 AJIS 532 1 6 1888 2026-02-14 04:30 AJIS 532 -9 3 1888 2026-02-14 06:29 AJIS 532 -19 3 1888 2026-02-15 03:37 AJIS 532 -65 2 1888 2026-02-15 05:36 AJIS 532 -91 3 1888 2026-02-15 07:38 AJIS 532 -105 8 ------------------------------------------------------------- 1888 Average 532 -48 4 ------------------------------------------------------------- ------------------------------------------------------------- 1891 HIT-U JCET CODE sat wl rb pr rb pr rb pr ------------------------------------------------------------- 1891 2026-02-14 00:41 AJIS 532 -19 2 1891 2026-02-14 00:48 BEAC 532 455 5 1891 2026-02-14 01:08 ETA1 532 * * 1891 2026-02-14 02:42 AJIS 532 -32 4 1891 2026-02-17 01:58 AJIS 532 133 5 1891 2026-02-17 04:02 AJIS 532 -40 4 ------------------------------------------------------------- 1891 Average 532 99 4 ------------------------------------------------------------- ------------------------------------------------------------- 7090 YARL Yarragadee HIT-U JCET CODE sat wl rb pr rb pr rb pr ------------------------------------------------------------- 7090 2026-02-13 08:03 AJIS 532 38 2 7090 2026-02-13 10:09 AJIS 532 14 3 7090 2026-02-13 12:10 AJIS 532 1 2 7090 2026-02-13 14:18 AJIS 532 26 1 7090 2026-02-13 16:20 AJIS 532 31 2 7090 2026-02-13 18:19 AJIS 532 21 3 7090 2026-02-14 07:10 AJIS 532 17 2 7090 2026-02-14 09:12 AJIS 532 -3 2 7090 2026-02-14 11:14 AJIS 532 7 2 7090 2026-02-14 13:18 AJIS 532 1 2 7090 2026-02-14 14:07 F101 532 3 4 7090 2026-02-14 15:23 AJIS 532 12 3 7090 2026-02-14 17:27 AJIS 532 21 1 7090 2026-02-15 08:19 AJIS 532 -4 2 7090 2026-02-15 10:20 AJIS 532 -4 1 7090 2026-02-15 12:26 AJIS 532 8 4 7090 2026-02-15 14:30 AJIS 532 6 2 7090 2026-02-15 16:30 AJIS 532 8 2 7090 2026-02-15 17:07 F102 532 -43 6 7090 2026-02-15 17:53 F101 532 -3 3 7090 2026-02-15 20:05 ETA2 532 -6 15 240 18 7090 2026-02-16 05:21 AJIS 532 5 2 7090 2026-02-16 07:21 AJIS 532 13 7 7090 2026-02-16 09:25 AJIS 532 7 5 7090 2026-02-16 13:32 AJIS 532 1 5 7090 2026-02-16 14:10 ETA1 532 -3 14 428 14 7090 2026-02-16 16:46 ETA2 532 8 4 121 4 7090 2026-02-17 00:07 F102 532 -5 3 7090 2026-02-17 01:10 F101 532 4 6 7090 2026-02-17 04:26 AJIS 532 1 3 7090 2026-02-17 06:30 AJIS 532 20 9 7090 2026-02-17 08:36 AJIS 532 17 3 7090 2026-02-17 10:35 AJIS 532 24 1 7090 2026-02-17 12:37 AJIS 532 9 4 7090 2026-02-17 13:31 ETA1 532 3 8 -33 7 7090 2026-02-17 14:42 AJIS 532 16 3 7090 2026-02-17 15:08 ETA2 532 14 5 7090 2026-02-17 16:49 ETA2 532 1 5 7090 2026-02-18 05:31 AJIS 532 61 3 7090 2026-02-18 09:41 AJIS 532 13 2 7090 2026-02-18 11:56 ETA1 532 -4 6 21 6 7090 2026-02-18 13:43 AJIS 532 -50 0 7090 2026-02-18 13:59 ETA2 532 -28 5 7090 2026-02-18 15:19 ETA2 532 -2 6 7090 2026-02-18 15:19 F102 532 10 3 7090 2026-02-18 15:52 AJIS 532 6 13 7090 2026-02-18 16:06 F101 532 -1 2 7090 2026-02-19 04:40 AJIS 532 21 3 7090 2026-02-19 06:44 AJIS 532 35 4 7090 2026-02-19 08:46 AJIS 532 16 4 7090 2026-02-19 23:34 F101 532 0 2 7090 2026-02-20 03:47 AJIS 532 62 6 7090 2026-02-20 05:52 AJIS 532 27 3 7090 2026-02-20 07:50 AJIS 532 19 3 7090 2026-02-20 09:55 AJIS 532 9 4 7090 2026-02-20 11:57 AJIS 532 -6 4 7090 2026-02-20 12:34 ETA2 532 6 3 7090 2026-02-20 14:06 AJIS 532 -6 1 7090 2026-02-20 16:03 AJIS 532 -8 1 ------------------------------------------------------------- 7090 Average 532 8 3 109 8 ------------------------------------------------------------- ------------------------------------------------------------- 7105 GODL Greenbelt HIT-U JCET CODE sat wl rb pr rb pr rb pr ------------------------------------------------------------- 7105 2026-02-13 04:11 F102 532 -27 3 7105 2026-02-13 07:02 AJIS 532 18 2 7105 2026-02-13 08:58 AJIS 532 -31 2 7105 2026-02-13 10:20 BEAC 532 -8 5 7105 2026-02-13 11:07 AJIS 532 26 2 7105 2026-02-13 12:13 BEAC 532 -58 6 7105 2026-02-13 14:07 BEAC 532 -4 4 7105 2026-02-13 15:16 AJIS 532 6 2 7105 2026-02-13 16:02 BEAC 532 -5 3 7105 2026-02-13 17:15 AJIS 532 20 2 ------------------------------------------------------------- 7105 Average 532 -6 3 ------------------------------------------------------------- ------------------------------------------------------------- 7124 THTL Tahiti HIT-U JCET CODE sat wl rb pr rb pr rb pr ------------------------------------------------------------- 7124 2026-02-13 23:21 AJIS 532 29 2 7124 2026-02-17 08:46 BEAC 532 1 3 7124 2026-02-17 09:01 AJIS 532 22 1 7124 2026-02-17 11:02 AJIS 532 26 2 7124 2026-02-18 08:01 BEAC 532 -2 2 7124 2026-02-18 08:07 AJIS 532 9 2 7124 2026-02-18 10:08 AJIS 532 19 2 7124 2026-02-19 09:15 AJIS 532 21 2 7124 2026-02-20 08:22 AJIS 532 -6 2 7124 2026-02-20 10:21 AJIS 532 28 2 ------------------------------------------------------------- 7124 Average 532 14 2 ------------------------------------------------------------- ------------------------------------------------------------- 7237 CHAL Changchun HIT-U JCET CODE sat wl rb pr rb pr rb pr ------------------------------------------------------------- 7237 2026-02-13 18:46 AJIS 532 63 5 7237 2026-02-13 20:45 AJIS 532 -2 9 7237 2026-02-13 21:08 BEAC 532 108 6 7237 2026-02-14 10:12 F101 532 * * 7237 2026-02-14 17:48 AJIS 532 32 4 7237 2026-02-14 19:47 AJIS 532 -3 6 7237 2026-02-14 20:22 BEAC 532 -2 7 7237 2026-02-14 21:51 AJIS 532 5 6 7237 2026-02-14 22:16 BEAC 532 9 5 7237 2026-02-14 23:52 AJIS 532 39 10 7237 2026-02-15 00:08 BEAC 532 0 3 7237 2026-02-15 14:00 F102 532 32 1 7237 2026-02-15 15:03 F101 532 34 4 7237 2026-02-15 16:55 AJIS 532 78 3 7237 2026-02-15 18:55 AJIS 532 54 5 7237 2026-02-15 20:58 AJIS 532 27 13 7237 2026-02-15 21:32 BEAC 532 0 4 7237 2026-02-15 22:57 AJIS 532 28 4 7237 2026-02-15 23:24 BEAC 532 0 5 7237 2026-02-18 14:38 F101 532 -12 4 7237 2026-02-18 16:14 AJIS 532 72 5 7237 2026-02-18 18:15 AJIS 532 52 4 7237 2026-02-18 20:14 AJIS 532 20 10 7237 2026-02-18 21:10 BEAC 532 2 4 7237 2026-02-18 22:19 AJIS 532 40 9 7237 2026-02-18 23:02 BEAC 532 2 6 7237 2026-02-19 15:12 F102 532 -5 3 7237 2026-02-19 18:35 BEAC 532 1 4 7237 2026-02-19 18:42 F101 532 * * 7237 2026-02-19 19:25 AJIS 532 -92 5 7237 2026-02-19 20:27 BEAC 532 -1 3 7237 2026-02-19 21:26 AJIS 532 -12 7 7237 2026-02-19 22:18 BEAC 532 1 8 7237 2026-02-19 23:27 AJIS 532 13 10 7237 2026-02-20 18:28 AJIS 532 -13 8 ------------------------------------------------------------- 7237 Average 532 20 5 ------------------------------------------------------------- ------------------------------------------------------------- 7306 HIT-U JCET CODE sat wl rb pr rb pr rb pr ------------------------------------------------------------- 7306 2026-02-13 11:29 ETA1 532 0 2 -507 4 7306 2026-02-19 00:59 BEAC 532 0 2 7306 2026-02-19 02:26 AJIS 532 17 3 7306 2026-02-19 10:52 ETA2 532 -6 3 77 3 7306 2026-02-19 13:04 ETA1 532 12 11 -29 11 7306 2026-02-19 15:19 AJIS 532 63 1 ------------------------------------------------------------- 7306 Average 532 14 3 -153 6 ------------------------------------------------------------- ------------------------------------------------------------- 7501 HARL Hartebeesthoek HIT-U JCET CODE sat wl rb pr rb pr rb pr ------------------------------------------------------------- 7501 2026-02-18 17:33 AJIS 532 -12 2 7501 2026-02-18 19:35 AJIS 532 15 3 7501 2026-02-18 21:38 AJIS 532 13 6 7501 2026-02-19 18:41 AJIS 532 -6 7 ------------------------------------------------------------- 7501 Average 532 2 4 ------------------------------------------------------------- ------------------------------------------------------------- 7810 ZIML Zimmerwald HIT-U JCET CODE sat wl rb pr rb pr rb pr ------------------------------------------------------------- 7810 2026-02-13 06:52 BEAC 532 15 3 7810 2026-02-13 07:24 AJIS 532 19 2 7810 2026-02-13 08:44 BEAC 532 -5 4 7810 2026-02-13 09:22 AJIS 532 31 16 7810 2026-02-13 10:37 BEAC 532 -6 4 7810 2026-02-13 11:24 AJIS 532 50 1 ------------------------------------------------------------- 7810 Average 532 17 5 ------------------------------------------------------------- ------------------------------------------------------------- 7817 HIT-U JCET CODE sat wl rb pr rb pr rb pr ------------------------------------------------------------- 7817 2026-02-14 21:07 ETA1 1064 -25 1 7817 2026-02-17 01:38 AJIS 1064 -8 1 7817 2026-02-18 23:44 ETA2 1064 -14 1 38 2 7817 2026-02-19 08:07 AJIS 1064 20 7 7817 2026-02-19 09:51 BEAC 1064 0 3 7817 2026-02-19 10:02 AJIS 1064 26 1 7817 2026-02-19 21:41 ETA2 1064 -2 1 39 2 7817 2026-02-20 00:41 ETA1 1064 -15 0 7817 2026-02-20 01:01 AJIS 1064 -2 1 7817 2026-02-20 09:10 BEAC 1064 0 3 ------------------------------------------------------------- 7817 Average 1064 -2 1 38 2 ------------------------------------------------------------- ------------------------------------------------------------- 7819 HIT-U JCET CODE sat wl rb pr rb pr rb pr ------------------------------------------------------------- 7819 2026-02-13 18:34 AJIS 532 75 5 7819 2026-02-13 18:55 F102 532 24 4 7819 2026-02-13 20:34 AJIS 532 55 11 7819 2026-02-13 20:56 BEAC 532 -776 18 7819 2026-02-13 21:23 F101 532 26 3 7819 2026-02-13 22:34 AJIS 532 53 6 7819 2026-02-13 22:53 BEAC 532 403 9 7819 2026-02-14 17:37 AJIS 532 34 5 7819 2026-02-14 19:00 ETA2 532 44 4 -263 2 7819 2026-02-14 19:39 AJIS 532 -8 7 7819 2026-02-14 20:16 BEAC 532 -3003 2 7819 2026-02-14 21:38 AJIS 532 20 3 7819 2026-02-14 22:06 BEAC 532 -3561 7 7819 2026-02-14 22:34 ETA1 532 50 2 756 2 7819 2026-02-15 13:25 F102 532 47 3 7819 2026-02-15 14:16 F101 532 -9 1 7819 2026-02-15 17:20 ETA2 532 50 10 44 5 ------------------------------------------------------------- 7819 Average 532 -380 5 179 3 ------------------------------------------------------------- ------------------------------------------------------------- 7821 SHA2 Shanghai2 HIT-U JCET CODE sat wl rb pr rb pr rb pr ------------------------------------------------------------- 7821 2026-02-13 01:34 BEAC 532 72 6 7821 2026-02-13 01:40 AJIS 532 -28 2 7821 2026-02-13 03:31 BEAC 532 -27 2 7821 2026-02-13 03:40 AJIS 532 38 2 ------------------------------------------------------------- 7821 Average 532 13 3 ------------------------------------------------------------- ------------------------------------------------------------- 7824 SFEL San Fernando HIT-U JCET CODE sat wl rb pr rb pr rb pr ------------------------------------------------------------- 7824 2026-02-20 01:03 AJIS 532 -46 2 ------------------------------------------------------------- 7824 Average 532 -46 2 ------------------------------------------------------------- ------------------------------------------------------------- 7838 SISL Simosato HIT-U JCET CODE sat wl rb pr rb pr rb pr ------------------------------------------------------------- 7838 2026-02-13 01:47 AJIS 532 23 4 7838 2026-02-13 03:45 AJIS 532 19 10 7838 2026-02-17 02:10 AJIS 532 -49 3 7838 2026-02-18 01:16 AJIS 532 -2 1 7838 2026-02-19 02:25 AJIS 532 41 4 ------------------------------------------------------------- 7838 Average 532 6 4 ------------------------------------------------------------- ------------------------------------------------------------- 7839 GRZL Graz HIT-U JCET CODE sat wl rb pr rb pr rb pr ------------------------------------------------------------- 7839 2026-02-13 09:23 AJIS 532 -10 2 7839 2026-02-13 17:45 F102 532 -42 4 7839 2026-02-13 19:46 ETA2 532 1 12 7839 2026-02-13 23:05 ETA1 532 * * 7839 2026-02-15 17:54 ETA2 532 5 5 7839 2026-02-15 19:06 ETA1 532 -1 2 7839 2026-02-16 16:43 F101 532 * * 7839 2026-02-16 18:36 ETA1 532 -4 1 7839 2026-02-17 07:01 ETA1 532 1 26 7839 2026-02-17 07:42 BEAC 532 4 6 7839 2026-02-17 07:48 AJIS 532 -13 1 7839 2026-02-17 09:52 AJIS 532 -6 2 7839 2026-02-17 21:41 F102 532 20 13 7839 2026-02-17 23:36 F101 532 0 6 7839 2026-02-18 00:50 AJIS 532 -8 2 7839 2026-02-18 08:52 BEAC 532 -1 2 7839 2026-02-18 08:58 AJIS 532 7 1 ------------------------------------------------------------- 7839 Average 532 -3 4 ------------------------------------------------------------- ------------------------------------------------------------- 7840 HERL Herstmonceux HIT-U JCET CODE sat wl rb pr rb pr rb pr ------------------------------------------------------------- 7840 2026-02-16 08:54 ETA1 532 -11 1 165 3 7840 2026-02-16 10:41 AJIS 532 6 2 7840 2026-02-16 18:16 ETA1 532 4 1 -31 1 7840 2026-02-16 18:57 F101 532 * * 7840 2026-02-17 05:47 BEAC 532 1 12 7840 2026-02-17 05:49 AJIS 532 12 1 7840 2026-02-17 07:16 ETA1 532 3 8 12 9 7840 2026-02-17 07:38 BEAC 532 -1 1 7840 2026-02-17 07:46 AJIS 532 35 1 7840 2026-02-17 09:49 AJIS 532 38 1 7840 2026-02-17 12:05 ETA2 532 -11 2 5 1 ------------------------------------------------------------- 7840 Average 532 7 3 37 3 ------------------------------------------------------------- ------------------------------------------------------------- 7841 POT3 Potsdam HIT-U JCET CODE sat wl rb pr rb pr rb pr ------------------------------------------------------------- 7841 2026-02-19 00:09 F102 532 -29 5 7841 2026-02-19 01:57 AJIS 532 -11 1 7841 2026-02-19 03:56 AJIS 532 26 1 7841 2026-02-19 04:17 ETA1 532 -4 3 -3 2 7841 2026-02-20 05:02 AJIS 532 55 3 7841 2026-02-20 05:26 BEAC 532 0 2 ------------------------------------------------------------- 7841 Average 532 6 2 -3 2 ------------------------------------------------------------- ------------------------------------------------------------- 7845 GRSM Grasse HIT-U JCET CODE sat wl rb pr rb pr rb pr ------------------------------------------------------------- 7845 2026-02-17 16:28 ETA1 532 -24 4 40 6 7845 2026-02-17 20:41 F101 532 29 5 7845 2026-02-17 20:57 F102 532 40 1 7845 2026-02-18 00:47 AJIS 532 44 12 7845 2026-02-18 01:20 ETA2 532 3 3 63 3 7845 2026-02-18 02:54 AJIS 532 16 9 7845 2026-02-18 04:35 ETA1 532 0 6 25 7 7845 2026-02-18 04:49 AJIS 532 20 4 7845 2026-02-18 05:01 BEAC 532 12 9 7845 2026-02-18 06:52 AJIS 532 56 8 7845 2026-02-18 08:53 AJIS 532 34 7 7845 2026-02-18 10:42 F101 532 -23 3 7845 2026-02-20 09:08 AJIS 532 60 7 7845 2026-02-20 19:26 F102 532 -43 2 7845 2026-02-20 19:51 ETA2 532 10 1 7845 2026-02-20 20:12 F101 532 -49 6 7845 2026-02-20 22:56 ETA1 532 -10 4 ------------------------------------------------------------- 7845 Average 532 10 5 42 5 ------------------------------------------------------------- ------------------------------------------------------------- 8834 WETL Wettzell HIT-U JCET CODE sat wl rb pr rb pr rb pr ------------------------------------------------------------- 8834 2026-02-13 22:07 ETA1 1064 * * * * 8834 2026-02-18 06:53 AJIS 1064 34 2 8834 2026-02-18 06:53 AJIS 532 5 2 ------------------------------------------------------------- 8834 Average 1064 34 2 8834 Average 532 5 2 ------------------------------------------------------------- sc : Satellite wl : Wavelength (nm) rb : Range bias (mm) pr : Precision estimate (mm) * : Processed but no value given ***** : Format overflow Average: Averages of range biases and precision estimates (outliers rejected) HIT-U : Hitotsubashi University (Kunitachi, Tokyo) JCET : Joint Center for Earth System Technology, UMBC/GSFC CODE : Center for Orbit Determination in Europe (Bern) AJIS : Ajisai BEAC : Beacon ETA1 : Etalon1 ETA2 : Etalon2 F101 : Galileo101 F102 : Galileo102