USNO Analysis Report for R1826 ($18JAN22XA) This report is a contributed analysis report that does not correspond to the database maintained by the IVS Data Centers for this session. (Analyzed by Megan Johnson, United States Naval Observatory. Spoolfile source: opa solution.) Problems: Large clock jump of ~1 sec on KATH12M at 13:14. Parameterization comments: Clock break on KOKEE in S-band at 11:30. Baseline Clock Offsets on ISHIOKA:SEJONG and SEJONG:YARRA12M. Other comments: KOKEE appears to be experiencing an increase in clock breaks over the last couple of months. Is there a technical/mechanical reason for these? ----------------------------------------- Session Statistics Observations: 5971 scheduled 5891 correlated (in database) 5472 recoverable (usable) 5470 used Session fit: 28.388 ps ----------------------------------------- Station Performance Number of Observations Scheduled Recoverable* Used % of scheduled obs used HART15M 1036 883 882 85.1% ISHIOKA 1690 1572 1572 93.0% KATH12M 1138 1019 1019 89.5% KOKEE 1155 1059 1059 91.7% MEDICINA 1461 1397 1397 95.6% NYALES20 1562 1492 1491 95.5% SEJONG 1303 1241 1241 95.2% WETTZ13N 1587 1437 1435 90.4% YARRA12M 1010 844 844 83.6% --------------- --------- ----------- --------- ------ Station Total** 5971 5472 5470 91.6% * Recoverable: can be included in the solution. ** Total includes distinct observations only. MISSED: Station was scheduled, but it did not observe. NOT CORR: Station was scheduled but not correlated. NOT USED: Usable data was generated for this station, but the analyst rejected it all. ----------------------------------------- Source Performance Number of Observations Scheduled Correlated* Used % of scheduled obs used 2239+096 48 48 45 93.8% 1330+022 22 22 18 81.8% 0747+185 8 8 8 100.0% 1044+719 89 89 87 97.8% 1717+178 71 71 61 85.9% 0241+622 1 1 0 0.0% 1657-562 18 18 14 77.8% 3C120 89 80 65 73.0% 1954+513 65 65 61 93.8% 1059+282 14 14 14 100.0% 0003-066 90 90 89 98.9% 0119+115 63 63 60 95.2% 0133+476 301 297 294 97.7% 0229+131 98 98 92 93.9% CTA26 88 84 80 90.9% 0454-234 200 191 178 89.0% 0537-441 50 46 41 82.0% 0552+398 182 182 176 96.7% 0602+673 18 18 18 100.0% 0804+499 22 22 20 90.9% 0808+019 61 59 48 78.7% OJ287 311 303 294 94.5% 0955+476 206 196 186 90.3% 1034-293 46 45 33 71.7% 1057-797 29 25 22 75.9% 1104-445 29 28 25 86.2% 1255-316 26 25 20 76.9% 1300+580 85 85 79 92.9% 1424-418 139 133 130 93.5% 1519-273 109 103 103 94.5% 1726+455 465 465 386 83.0% 1741-038 247 247 232 93.9% 1803+784 393 393 390 99.2% 1921-293 15 15 15 100.0% 1923+210 24 24 24 100.0% 2052-474 38 38 35 92.1% 2113+293 10 10 7 70.0% 2255-282 12 12 12 100.0% 0237-027 28 28 28 100.0% 0648-165 11 11 9 81.8% 0912+029 1 1 1 100.0% 1324+224 23 23 20 87.0% 1639-062 65 65 63 96.9% 1846+322 63 62 60 95.2% 2227-088 183 180 173 94.5% 2229+695 183 183 156 85.2% 0340+362 10 10 8 80.0% 0536+145 1 1 1 100.0% 1133-032 4 4 4 100.0% 1144+402 214 214 207 96.7% 1546+027 148 148 142 95.9% 1617+229 4 4 3 75.0% 2059+034 8 8 6 75.0% 2309+454 169 169 159 94.1% 2319+317 44 44 20 45.5% 0322+222 16 16 16 100.0% 0920-397 1 1 1 100.0% 1759-396 3 2 2 66.7% 0308-611 6 4 3 50.0% 0332-403 3 3 2 66.7% 0347-211 4 4 4 100.0% 0847-120 26 25 21 80.8% 1657-261 21 21 8 38.1% 0008-264 1 1 1 100.0% 0017+200 335 335 323 96.4% 0131-522 13 11 7 53.8% 0202+319 423 423 411 97.2% NRAO150 12 12 12 100.0% 1213-172 19 19 16 84.2% 1413+135 2 2 2 100.0% 1504+377 18 18 18 100.0% 1936-155 113 113 97 85.8% 2126-158 14 13 4 28.6% ------------ --------- ---------- ------ ------ Source Total 5971 5891 5470 91.6% * Correlated: included in database ----------------------------------------- Baseline Performance Number of Observations Scheduled Recoverable* Used % of scheduled obs used HART15M-ISHIOKA 100 80 80 80.0% HART15M-KATH12M 98 80 80 81.6% HART15M-KOKEE 0 NO DATA NO DATA 0.0% HART15M-MEDICINA 240 216 216 90.0% HART15M-NYALES20 136 121 121 89.0% HART15M-SEJONG 83 71 71 85.5% HART15M-WETTZ13N 229 200 199 86.9% HART15M-YARRA12M 150 115 115 76.7% ISHIOKA-KATH12M 210 200 200 95.2% ISHIOKA-KOKEE 279 269 269 96.4% ISHIOKA-MEDICINA 181 179 179 98.9% ISHIOKA-NYALES20 272 261 261 96.0% ISHIOKA-SEJONG 287 283 283 98.6% ISHIOKA-WETTZ13N 213 172 172 80.8% ISHIOKA-YARRA12M 148 128 128 86.5% KATH12M-KOKEE 154 139 139 90.3% KATH12M-MEDICINA 51 49 49 96.1% KATH12M-NYALES20 81 74 74 91.4% KATH12M-SEJONG 174 166 166 95.4% KATH12M-WETTZ13N 65 54 54 83.1% KATH12M-YARRA12M 305 257 257 84.3% KOKEE-MEDICINA 97 89 89 91.8% KOKEE-NYALES20 207 197 197 95.2% KOKEE-SEJONG 186 177 177 95.2% KOKEE-WETTZ13N 126 104 104 82.5% KOKEE-YARRA12M 106 84 84 79.2% MEDICINA-NYALES20 300 294 294 98.0% MEDICINA-SEJONG 123 123 123 100.0% MEDICINA-WETTZ13N 411 397 397 96.6% MEDICINA-YARRA12M 58 50 50 86.2% NYALES20-SEJONG 174 171 171 98.3% NYALES20-WETTZ13N 341 332 331 97.1% NYALES20-YARRA12M 51 42 42 82.4% SEJONG-WETTZ13N 143 130 130 90.9% SEJONG-YARRA12M 133 120 120 90.2% WETTZ13N-YARRA12M 59 48 48 81.4% ----------------- --------- ----------- ---------- ------ Baseline Total 5971 5472 5470 91.6% * Recoverable: can be included in the solution. MISSED: Baseline was scheduled, but at least one of the sites did not observe. NOT CORR: Baseline was scheduled but not correlated. NO DATA: The baseline's stations were both correlated, but they did not observe together. DESELECTED: Usable data was generated for the baseline, but the analyst rejected it.