Author: Pierre Lauber ILRS Combined Range Bias Report 2 ********************************* 2026-02-03 00:00 UT - 2026-02-11 00:00 UT Compiled by: SLR Observatory Zimmerwald Date : 2026-02-11 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 2026-02-03 08:22 AJIS 532 -13 6 1874 2026-02-03 10:23 AJIS 532 1 3 1874 2026-02-05 19:27 ETA2 532 -18 7 1874 2026-02-05 22:27 ETA1 532 -34 7 ------------------------------------------------------------- 1874 Average 532 -16 5 ------------------------------------------------------------- ------------------------------------------------------------- 1884 RIGL Riga HIT-U JCET CODE sat wl rb pr rb pr rb pr ------------------------------------------------------------- 1884 2026-02-04 21:37 ETA2 532 0 9 -205 10 1884 2026-02-05 00:27 ETA1 532 27 12 18 12 1884 2026-02-08 18:19 ETA1 532 10 16 889 14 1884 2026-02-09 16:58 ETA1 532 -10 6 598 7 ------------------------------------------------------------- 1884 Average 532 6 10 325 10 ------------------------------------------------------------- ------------------------------------------------------------- 1888 HIT-U JCET CODE sat wl rb pr rb pr rb pr ------------------------------------------------------------- 1888 2026-02-03 06:20 AJIS 532 -29 1 1888 2026-02-03 08:20 AJIS 532 -16 3 1888 2026-02-03 10:20 AJIS 532 1 4 1888 2026-02-05 06:30 AJIS 532 70 5 1888 2026-02-06 05:39 AJIS 532 12 3 1888 2026-02-06 07:38 AJIS 532 20 33 1888 2026-02-06 09:38 AJIS 532 8 5 1888 2026-02-07 06:46 AJIS 532 37 6 1888 2026-02-07 08:45 AJIS 532 21 5 ------------------------------------------------------------- 1888 Average 532 13 7 ------------------------------------------------------------- ------------------------------------------------------------- 1891 HIT-U JCET CODE sat wl rb pr rb pr rb pr ------------------------------------------------------------- 1891 2026-02-03 02:29 AJIS 532 ***** * 1891 2026-02-03 06:35 AJIS 532 20 13 1891 2026-02-05 02:41 AJIS 532 ***** * 1891 2026-02-05 03:42 BEAC 532 34 5 1891 2026-02-05 04:46 AJIS 532 25 4 1891 2026-02-05 05:35 BEAC 532 136 5 1891 2026-02-05 06:47 AJIS 532 54 7 1891 2026-02-05 07:30 BEAC 532 12 3 1891 2026-02-06 01:46 AJIS 532 33 7 1891 2026-02-06 02:57 BEAC 532 -466 1 1891 2026-02-06 03:55 AJIS 532 -15 17 1891 2026-02-06 04:52 BEAC 532 -717 6 1891 2026-02-06 05:53 AJIS 532 -1 3 1891 2026-02-06 06:44 BEAC 532 -1057 9 1891 2026-02-09 01:11 AJIS 532 30 24 ------------------------------------------------------------- 1891 Average 532 -147 8 ------------------------------------------------------------- ------------------------------------------------------------- 7090 YARL Yarragadee HIT-U JCET CODE sat wl rb pr rb pr rb pr ------------------------------------------------------------- 7090 2026-02-03 12:24 ETA1 532 -2 6 137 5 7090 2026-02-03 15:06 AJIS 532 48 2 7090 2026-02-03 15:34 ETA2 532 0 10 250 9 7090 2026-02-03 16:55 BEAC 532 9 3 7090 2026-02-03 17:15 AJIS 532 7 3 7090 2026-02-03 19:17 AJIS 532 44 3 7090 2026-02-04 00:43 F102 532 -8 5 7090 2026-02-04 08:07 AJIS 532 28 3 7090 2026-02-04 10:06 AJIS 532 40 3 7090 2026-02-04 12:04 ETA1 532 3 6 -9 4 7090 2026-02-04 12:11 AJIS 532 38 4 7090 2026-02-04 14:08 ETA2 532 -1 2 285 2 7090 2026-02-04 14:14 AJIS 532 18 4 7090 2026-02-04 16:20 AJIS 532 14 3 7090 2026-02-04 18:21 AJIS 532 23 3 7090 2026-02-05 09:15 AJIS 532 36 2 7090 2026-02-05 11:14 AJIS 532 31 4 7090 2026-02-05 13:17 AJIS 532 5 3 7090 2026-02-05 15:24 AJIS 532 -9 3 7090 2026-02-05 17:02 F102 532 7 9 7090 2026-02-05 17:27 AJIS 532 21 2 7090 2026-02-05 19:25 AJIS 532 30 1 7090 2026-02-06 08:20 AJIS 532 36 2 7090 2026-02-06 10:19 AJIS 532 15 2 7090 2026-02-06 12:24 AJIS 532 29 3 7090 2026-02-06 14:29 AJIS 532 16 3 7090 2026-02-06 16:31 AJIS 532 16 4 7090 2026-02-06 18:33 AJIS 532 14 1 7090 2026-02-07 07:27 AJIS 532 79 3 7090 2026-02-07 09:23 AJIS 532 41 3 7090 2026-02-07 11:26 AJIS 532 24 4 7090 2026-02-07 13:31 AJIS 532 14 6 7090 2026-02-07 17:39 AJIS 532 30 2 7090 2026-02-08 08:27 AJIS 532 18 2 7090 2026-02-08 10:33 AJIS 532 30 4 7090 2026-02-09 09:36 AJIS 532 -7 1 7090 2026-02-10 12:52 AJIS 532 -12 1 7090 2026-02-10 13:01 ETA1 532 1 3 7090 2026-02-10 15:37 ETA2 532 -4 3 ------------------------------------------------------------- 7090 Average 532 16 3 165 5 ------------------------------------------------------------- ------------------------------------------------------------- 7105 GODL Greenbelt HIT-U JCET CODE sat wl rb pr rb pr rb pr ------------------------------------------------------------- 7105 2026-02-04 17:01 BEAC 532 4 8 7105 2026-02-05 10:10 AJIS 532 18 1 7105 2026-02-05 12:13 AJIS 532 30 4 7105 2026-02-05 14:17 AJIS 532 18 5 7105 2026-02-05 18:07 BEAC 532 9 3 7105 2026-02-05 18:24 AJIS 532 49 1 7105 2026-02-05 20:08 BEAC 532 -33 2 7105 2026-02-05 20:23 AJIS 532 30 3 7105 2026-02-06 04:04 F102 532 0 5 7105 2026-02-09 12:44 AJIS 532 10 5 7105 2026-02-09 13:17 BEAC 532 12 3 7105 2026-02-09 14:47 AJIS 532 13 3 7105 2026-02-09 15:14 BEAC 532 27 3 7105 2026-02-09 16:52 AJIS 532 51 5 7105 2026-02-09 17:06 BEAC 532 -10 3 7105 2026-02-09 18:48 AJIS 532 5 2 ------------------------------------------------------------- 7105 Average 532 14 3 ------------------------------------------------------------- ------------------------------------------------------------- 7110 MONL Monument Peak HIT-U JCET CODE sat wl rb pr rb pr rb pr ------------------------------------------------------------- 7110 2026-02-03 00:05 BEAC 532 0 3 7110 2026-02-03 23:20 BEAC 532 5 3 7110 2026-02-04 01:14 BEAC 532 -4 2 7110 2026-02-04 22:40 BEAC 532 -35 61 7110 2026-02-05 00:29 BEAC 532 13 2 7110 2026-02-05 22:20 AJIS 532 18 2 7110 2026-02-09 16:39 AJIS 532 -19 3 7110 2026-02-09 16:58 BEAC 532 16 2 7110 2026-02-09 18:45 AJIS 532 -5 1 7110 2026-02-09 18:53 BEAC 532 -46 2 7110 2026-02-09 20:42 AJIS 532 -13 2 7110 2026-02-09 20:49 BEAC 532 -233 2 ------------------------------------------------------------- 7110 Average 532 -6 2 ------------------------------------------------------------- ------------------------------------------------------------- 7119 HA4T Haleakala HIT-U JCET CODE sat wl rb pr rb pr rb pr ------------------------------------------------------------- 7119 2026-02-04 23:04 AJIS 532 18 1 7119 2026-02-05 00:19 BEAC 532 -4 4 7119 2026-02-05 01:11 AJIS 532 18 2 7119 2026-02-05 02:10 BEAC 532 -68 7 7119 2026-02-05 04:09 BEAC 532 4 2 ------------------------------------------------------------- 7119 Average 532 -6 3 ------------------------------------------------------------- ------------------------------------------------------------- 7237 CHAL Changchun HIT-U JCET CODE sat wl rb pr rb pr rb pr ------------------------------------------------------------- 7237 2026-02-03 21:39 AJIS 532 -10 4 7237 2026-02-05 13:32 F102 532 -44 4 7237 2026-02-05 19:50 AJIS 532 49 1 7237 2026-02-05 21:50 AJIS 532 20 6 7237 2026-02-05 23:50 AJIS 532 32 2 7237 2026-02-06 18:59 F102 532 -104 0 7237 2026-02-06 21:00 AJIS 532 94 7 7237 2026-02-07 20:07 AJIS 532 28 9 7237 2026-02-07 22:07 AJIS 532 -58 7 7237 2026-02-08 02:11 AJIS 532 -14 6 7237 2026-02-08 03:26 BEAC 532 1 4 7237 2026-02-08 11:19 F102 532 -12 1 7237 2026-02-08 19:11 AJIS 532 98 8 7237 2026-02-08 21:12 AJIS 532 131 9 7237 2026-02-08 22:57 BEAC 532 0 6 7237 2026-02-08 23:13 AJIS 532 2 7 7237 2026-02-10 19:26 AJIS 532 38 4 7237 2026-02-10 21:22 AJIS 532 -28 6 7237 2026-02-10 21:28 BEAC 532 107 3 7237 2026-02-10 23:20 BEAC 532 -92 10 7237 2026-02-10 23:26 AJIS 532 -10 7 ------------------------------------------------------------- 7237 Average 532 10 5 ------------------------------------------------------------- ------------------------------------------------------------- 7249 BEIL Beijing HIT-U JCET CODE sat wl rb pr rb pr rb pr ------------------------------------------------------------- 7249 2026-02-04 11:54 ETA1 532 -37 1 0 3 7249 2026-02-05 11:12 F102 532 -98 1 7249 2026-02-05 11:41 ETA1 532 -49 2 -140 2 7249 2026-02-05 19:45 AJIS 532 40 0 7249 2026-02-06 17:29 F102 532 -7 4 7249 2026-02-07 18:23 ETA2 532 -48 0 -260 2 7249 2026-02-08 10:53 F102 532 -28 0 7249 2026-02-08 15:50 ETA2 532 -25 2 -27 3 7249 2026-02-10 14:04 ETA1 532 -39 2 ------------------------------------------------------------- 7249 Average 532 -32 1 -106 2 ------------------------------------------------------------- ------------------------------------------------------------- 7306 HIT-U JCET CODE sat wl rb pr rb pr rb pr ------------------------------------------------------------- 7306 2026-02-03 12:11 ETA2 532 8 3 -108 1 7306 2026-02-03 14:02 ETA1 532 -19 3 361 1 7306 2026-02-05 10:44 ETA1 532 -20 2 -69 2 7306 2026-02-05 12:06 F102 532 -56 3 7306 2026-02-06 09:11 ETA1 532 -7 2 83 1 7306 2026-02-09 00:53 BEAC 532 29 5 7306 2026-02-09 01:21 AJIS 532 -15 2 7306 2026-02-09 02:47 BEAC 532 13 3 7306 2026-02-09 04:42 BEAC 532 7 2 7306 2026-02-09 14:26 ETA2 532 -11 2 61 2 7306 2026-02-09 16:31 F102 532 34 8 7306 2026-02-10 14:54 ETA1 532 -12 2 ------------------------------------------------------------- 7306 Average 532 -4 3 65 1 ------------------------------------------------------------- ------------------------------------------------------------- 7317 HIT-U JCET CODE sat wl rb pr rb pr rb pr ------------------------------------------------------------- 7317 2026-02-03 19:37 AJIS 532 -13 9 ------------------------------------------------------------- 7317 Average 532 -13 9 ------------------------------------------------------------- ------------------------------------------------------------- 7501 HARL Hartebeesthoek HIT-U JCET CODE sat wl rb pr rb pr rb pr ------------------------------------------------------------- 7501 2026-02-03 20:55 AJIS 532 -9 3 7501 2026-02-04 17:56 AJIS 532 -4 5 7501 2026-02-04 19:59 AJIS 532 -34 3 7501 2026-02-04 22:06 AJIS 532 -5 3 7501 2026-02-05 00:13 AJIS 532 25 3 7501 2026-02-05 18:55 BEAC 532 -2 3 7501 2026-02-05 19:05 AJIS 532 -18 1 7501 2026-02-05 21:11 AJIS 532 -9 2 7501 2026-02-05 23:16 AJIS 532 25 6 7501 2026-02-06 01:17 AJIS 532 -9 4 7501 2026-02-06 18:10 AJIS 532 0 3 7501 2026-02-06 20:18 AJIS 532 -47 2 7501 2026-02-08 22:40 AJIS 532 -2 3 7501 2026-02-10 18:39 AJIS 532 -1 5 7501 2026-02-10 20:41 AJIS 532 -59 4 ------------------------------------------------------------- 7501 Average 532 -9 3 ------------------------------------------------------------- ------------------------------------------------------------- 7810 ZIML Zimmerwald HIT-U JCET CODE sat wl rb pr rb pr rb pr ------------------------------------------------------------- 7810 2026-02-03 10:16 AJIS 532 20 2 7810 2026-02-03 14:20 BEAC 532 42 3 7810 2026-02-03 14:23 AJIS 532 60 3 7810 2026-02-05 14:44 BEAC 532 187 2 7810 2026-02-07 07:31 BEAC 532 -2 2 7810 2026-02-07 08:43 AJIS 532 27 2 7810 2026-02-07 09:24 BEAC 532 2 2 7810 2026-02-07 10:46 AJIS 532 28 2 7810 2026-02-07 11:19 BEAC 532 1 4 7810 2026-02-07 12:46 AJIS 532 46 1 7810 2026-02-07 13:16 BEAC 532 -20 2 7810 2026-02-07 23:54 F102 532 1 9 7810 2026-02-08 03:45 AJIS 532 34 1 7810 2026-02-08 05:44 AJIS 532 3 6 ------------------------------------------------------------- 7810 Average 532 18 2 ------------------------------------------------------------- ------------------------------------------------------------- 7819 HIT-U JCET CODE sat wl rb pr rb pr rb pr ------------------------------------------------------------- 7819 2026-02-03 12:56 ETA2 532 81 6 219 3 7819 2026-02-03 13:14 ETA1 532 148 6 195 8 7819 2026-02-03 21:27 AJIS 532 150 15 7819 2026-02-03 23:32 AJIS 532 -45 5 7819 2026-02-04 13:20 ETA1 532 23 1 -216 1 7819 2026-02-05 15:19 F102 532 -13 1 7819 2026-02-06 17:03 F102 532 76 2 7819 2026-02-06 19:58 ETA2 532 25 1 -209 1 7819 2026-02-06 20:47 AJIS 532 61 12 7819 2026-02-06 22:22 BEAC 532 -806 5 7819 2026-02-06 22:52 AJIS 532 108 8 7819 2026-02-06 23:01 ETA1 532 16 5 125 3 7819 2026-02-07 18:03 ETA2 532 46 7 -86 2 7819 2026-02-07 19:52 AJIS 532 26 3 7819 2026-02-07 21:52 AJIS 532 -68 5 7819 2026-02-07 22:24 ETA1 532 52 2 233 2 7819 2026-02-08 13:14 F102 532 -16 2 7819 2026-02-09 14:30 ETA2 532 17 3 -135 1 7819 2026-02-09 14:36 F102 532 108 3 7819 2026-02-09 15:28 ETA1 532 31 6 -201 1 7819 2026-02-09 20:01 AJIS 532 38 6 7819 2026-02-09 22:00 BEAC 532 215 8 7819 2026-02-09 22:04 AJIS 532 77 10 7819 2026-02-10 14:09 ETA2 532 -3 2 7819 2026-02-10 15:39 ETA1 532 18 0 7819 2026-02-10 19:13 AJIS 532 -47 4 7819 2026-02-10 21:14 AJIS 532 -4 6 7819 2026-02-10 21:18 BEAC 532 455 5 7819 2026-02-10 21:39 F102 532 172 6 7819 2026-02-10 23:08 BEAC 532 2290 4 7819 2026-02-10 23:13 AJIS 532 77 4 ------------------------------------------------------------- 7819 Average 532 62 4 -8 2 ------------------------------------------------------------- ------------------------------------------------------------- 7821 SHA2 Shanghai2 HIT-U JCET CODE sat wl rb pr rb pr rb pr ------------------------------------------------------------- 7821 2026-02-03 00:32 AJIS 532 -76 1 7821 2026-02-03 01:23 BEAC 532 -4 5 7821 2026-02-03 02:31 AJIS 532 -11 1 7821 2026-02-03 03:18 BEAC 532 1 1 7821 2026-02-03 04:35 AJIS 532 -3 5 7821 2026-02-03 06:37 AJIS 532 24 1 7821 2026-02-03 07:06 BEAC 532 -34 2 7821 2026-02-08 02:05 AJIS 532 -89 1 7821 2026-02-08 06:10 AJIS 532 30 1 7821 2026-02-09 00:44 BEAC 532 -65 7 7821 2026-02-09 01:10 AJIS 532 -27 3 7821 2026-02-09 02:40 BEAC 532 -105 5 7821 2026-02-09 03:17 AJIS 532 -15 4 7821 2026-02-09 04:37 BEAC 532 194 3 7821 2026-02-10 23:16 BEAC 532 44 15 7821 2026-02-10 23:26 AJIS 532 39 7 ------------------------------------------------------------- 7821 Average 532 -6 3 ------------------------------------------------------------- ------------------------------------------------------------- 7838 SISL Simosato HIT-U JCET CODE sat wl rb pr rb pr rb pr ------------------------------------------------------------- 7838 2026-02-03 00:35 AJIS 532 -19 5 7838 2026-02-03 02:40 AJIS 532 26 5 7838 2026-02-03 04:38 AJIS 532 -26 9 7838 2026-02-03 06:44 AJIS 532 1 11 7838 2026-02-04 01:46 AJIS 532 7 5 7838 2026-02-04 03:52 AJIS 532 -28 6 7838 2026-02-04 05:50 AJIS 532 -17 7 7838 2026-02-04 22:47 AJIS 532 -79 5 7838 2026-02-05 21:52 AJIS 532 7 13 7838 2026-02-08 21:11 AJIS 532 16 4 7838 2026-02-08 23:12 AJIS 532 -77 3 7838 2026-02-09 01:20 AJIS 532 -15 8 7838 2026-02-09 03:18 AJIS 532 -8 2 7838 2026-02-09 05:20 AJIS 532 -34 11 7838 2026-02-09 22:19 AJIS 532 -6 5 ------------------------------------------------------------- 7838 Average 532 -16 6 ------------------------------------------------------------- ------------------------------------------------------------- 7839 GRZL Graz HIT-U JCET CODE sat wl rb pr rb pr rb pr ------------------------------------------------------------- 7839 2026-02-06 11:39 AJIS 532 9 4 7839 2026-02-06 18:05 ETA2 532 1 1 7839 2026-02-06 18:31 F102 532 * * 7839 2026-02-07 17:42 ETA2 532 2 3 7839 2026-02-07 18:21 ETA1 532 * * ------------------------------------------------------------- 7839 Average 532 4 2 ------------------------------------------------------------- ------------------------------------------------------------- 7840 HERL Herstmonceux HIT-U JCET CODE sat wl rb pr rb pr rb pr ------------------------------------------------------------- 7840 2026-02-04 09:22 AJIS 532 22 2 7840 2026-02-04 11:24 AJIS 532 18 2 7840 2026-02-04 13:26 AJIS 532 24 1 7840 2026-02-04 13:32 BEAC 532 0 1 7840 2026-02-06 19:04 ETA2 532 -2 3 52 2 7840 2026-02-06 21:51 ETA1 532 -3 11 58 2 ------------------------------------------------------------- 7840 Average 532 9 3 55 2 ------------------------------------------------------------- ------------------------------------------------------------- 7845 GRSM Grasse HIT-U JCET CODE sat wl rb pr rb pr rb pr ------------------------------------------------------------- 7845 2026-02-05 00:13 ETA1 532 -25 5 -15 5 7845 2026-02-05 06:28 AJIS 532 11 12 7845 2026-02-05 08:35 AJIS 532 -44 8 7845 2026-02-05 10:14 F102 532 -122 2 7845 2026-02-05 10:37 AJIS 532 -167 10 7845 2026-02-06 09:37 AJIS 532 35 13 7845 2026-02-06 13:33 F102 532 13 2 7845 2026-02-06 13:40 AJIS 532 43 6 7845 2026-02-06 18:32 ETA2 532 -21 3 97 1 7845 2026-02-06 22:19 ETA1 532 -15 4 30 4 7845 2026-02-09 09:00 AJIS 532 -18 5 7845 2026-02-09 09:16 ETA1 532 -17 6 -402 3 7845 2026-02-09 10:56 AJIS 532 58 15 ------------------------------------------------------------- 7845 Average 532 -20 7 -72 3 ------------------------------------------------------------- ------------------------------------------------------------- 7941 MATM Matera HIT-U JCET CODE sat wl rb pr rb pr rb pr ------------------------------------------------------------- 7941 2026-02-06 10:16 BEAC 532 11 3 7941 2026-02-06 21:37 ETA1 532 1 10 46 8 7941 2026-02-07 06:47 AJIS 532 -16 4 7941 2026-02-07 08:44 AJIS 532 -7 4 7941 2026-02-07 09:32 BEAC 532 3 2 7941 2026-02-07 10:47 AJIS 532 0 5 7941 2026-02-07 11:18 BEAC 532 5 12 ------------------------------------------------------------- 7941 Average 532 0 5 46 8 ------------------------------------------------------------- ------------------------------------------------------------- 8834 WETL Wettzell HIT-U JCET CODE sat wl rb pr rb pr rb pr ------------------------------------------------------------- 8834 2026-02-09 04:56 AJIS 1064 42 2 8834 2026-02-09 04:56 AJIS 532 46 1 8834 2026-02-09 06:55 AJIS 532 20 12 8834 2026-02-09 06:56 AJIS 1064 * * 8834 2026-02-10 04:04 AJIS 1064 * * 8834 2026-02-10 06:02 AJIS 532 4 2 8834 2026-02-10 06:03 AJIS 1064 3 2 8834 2026-02-10 06:10 ETA1 1064 5 2 8834 2026-02-10 07:11 BEAC 1064 138 3 8834 2026-02-10 08:03 AJIS 532 -2 9 8834 2026-02-10 08:04 AJIS 1064 -3 4 8834 2026-02-10 09:03 BEAC 1064 480 1 8834 2026-02-10 10:01 AJIS 1064 20 1 8834 2026-02-10 10:01 AJIS 532 26 2 8834 2026-02-10 10:28 ETA2 1064 * * 8834 2026-02-10 12:03 AJIS 1064 32 9 ------------------------------------------------------------- 8834 Average 1064 89 3 8834 Average 532 18 5 ------------------------------------------------------------- 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 F102 : Galileo102