| Receiver - Firmware | SEPT POLARX5 - 5.3.2 |
|---|---|
| Antenna - Radome | SEPCHOKE_B3E6 - SPKE |
| Antenna Calibration | ROBOT |
| Clock | INTERNAL CLOCK STEERING |
| Last RINEX Data - Primary Data Center | 2026-04-25 (v3) - PGC |
| Constellation - RINEX | GPS+GLO+GAL+BDS |
| Constellation - RealTime | |
| DOMES Number | 40142M001 |
| Nearby Tide Gauge | N/A |
| Download Type | Link |
|---|---|
| Station Log (ASCII) | CHWK00CAN.log |
| Station Log (GeodesyML) | CHWK00CAN.xml |
| Global Data Center | Link |
|---|---|
| CDDIS | CDDIS Data |
| Wuhan University | Wuhan University Data |
| ESA | ESA Data |
| IGN | IGN Data |
| KASI | KASI Data |
| SOPAC | SOPAC Data |
For a list of other data centers, visit IGS Data Access
| Receiver - Firmware | Antenna - Radome | Date |
|---|---|---|
| SEPT POLARX5 - 5.3.2 | SEPCHOKE_B3E6 - SPKE | March 29, 2021 |
| SEPT POLARX5 - 5.3.2 | SEPCHOKE_B3E6 - SPKE | Nov. 26, 2020 |
| TRIMBLE NETRS - 1.3-2 30 Oct 2012 | TRM29659.00 - SCIS | Nov. 20, 2013 |
| TRIMBLE NETRS - 1.3-0 05 Apr 2010 | TRM29659.00 - SCIS | Nov. 5, 2010 |
| TRIMBLE NETRS - 1.3-0 05 Apr 2010 | TRM29659.00 - SCIS | Aug. 4, 2010 |
| TRIMBLE NETRS - 1.2-0 26 Apr 2007 | TRM29659.00 - SCIS | Jan. 25, 2008 |
| AOA BENCHMARK ACT - 3.3.32.5 lk 00/12/03 | AOAD/M_T - SCIS | Aug. 10, 2005 |
| ROGUE SNR-8000 - 3.2.32.11 lk 02/03/07 | AOAD/M_T - SCIS | March 7, 2002 |
| ROGUE SNR-8000 - 3.2.32.8 lk 98/12/28 | AOAD/M_T - SCIS | Aug. 5, 1999 |
| ROGUE SNR-8000 - 3.2.32.8 lk 98/12/28 | AOAD/M_T - UNAV | May 31, 1999 |
| ROGUE SNR-8000 - 3.2 lk 95/03/09 | AOAD/M_T - UNAV | Nov. 17, 1998 |
| Sender | Subject | Date |
|---|---|---|
| Schofield, Brian | CHWK: data loss | Oct. 14, 2025, 4:55 p.m. |
| Re: Data will be delayed for BAMF, CHWK, HOLB, | Sept. 22, 2025, 8:51 p.m. | |
| Data will be delayed for BAMF, CHWK, HOLB, NANO, | Sept. 11, 2025, 11:36 p.m. | |
| Brian Schofield | Re: ALBH, BAMF, CHWK, DRAO, HOLB, NANO, UCLU, | July 31, 2025, 6:38 p.m. |
| Schofield, Brian | BAMF, CHWK, HOLB, NANO, UCLU, WILL - late posting | March 19, 2025, 8:46 p.m. |
| Schofield, Brian | CHWK: reposted file for 2024-362 | Dec. 31, 2024, 1:46 a.m. |
| Schofield, Brian | CHWK: reposted file | Jan. 3, 2024, 11:57 p.m. |
| Schofield, Brian | CHWK: loss of connection | July 27, 2023, 7:25 p.m. |
| Schofield, Brian | BAMF, CHWK, HOLB, NANO, UCLU, | July 19, 2023, 9 p.m. |
| Schofield, Brian | CHWK: late posting of D171 | June 29, 2023, 12:34 a.m. |
| Kukovica, Jacob | BAMF, CHWK, HOLB, NANO, UCLU, | Jan. 4, 2023, 5:35 p.m. |
| Lu, Yuan | RINEX V3 data are available for some of the WCDA | May 26, 2022, 11:24 p.m. |
| Lu, Yuan | Updated RINEX V2 files for select stations in the | May 26, 2022, 10:55 p.m. |
| Lisa Nykolaishen | CHWK: receiver and antenna change | Nov. 29, 2020, 5:58 p.m. |
| Brian Schofield | CHWK: scheduled receiver and antenna change | Nov. 19, 2020, 12:44 a.m. |
| Brian Schofield | BAMF, CHWK, HOLB, NANO, UCLU, | Oct. 30, 2020, 9:37 p.m. |
| Brian Schofield | ALBH, BAMF, CHWK, DRAO, HOLB, NANO, UCLU, | Feb. 5, 2020, 11:18 p.m. |
| Brian Schofield | ALBH, BAMF, CHWK, DRAO, HOLB, NANO, UCLU, | Feb. 4, 2020, 9:49 p.m. |
| Yuan Lu | No data from WCDA stations between 00:00 - 14:30 | May 24, 2019, 5:49 p.m. |
| Yuan Lu | No data from WCDA stations between 07:00 - 14:30 | May 10, 2019, 10:01 p.m. |
| Brian Schofield | WCDA sites: scheduled data outage | April 24, 2019, 10:22 p.m. |
| Yuan Lu | CHWK - New IGS log file corrected the "ARP UP" | March 14, 2019, 7:47 p.m. |
| WCDA Data collection is interrupted | Oct. 5, 2018, 4:38 p.m. | |
| Brian Schofield | WCDA data collection resumed | Aug. 17, 2018, 9:21 p.m. |
| Brian Schofield | WCDA data collection down | Aug. 3, 2018, 9:11 p.m. |
| Brian Schofield | CHWK: communications loss | Dec. 31, 2017, 9:03 p.m. |
| Brian Schofield | WCDA network problems | Oct. 6, 2017, 6:32 p.m. |
| Brian Schofield | ALBH, BAMF, CHWK, DRAO, HOLB, NANO, UCLU, WILL, | Feb. 27, 2017, 6:25 p.m. |
| Brian Schofield | ALBH, BAMF, CHWK, DRAO, HOLB, NANO, UCLU, WILL, | March 31, 2016, 8:09 p.m. |
| Brian Schofield | CHWK: resumption of data flow | Oct. 1, 2015, 10:54 p.m. |
| Brian Schofield | CHWK: site problems | Sept. 18, 2015, 9:32 p.m. |
| Schofield, Brian | CHWK: resumption of data flow | May 19, 2015, 9:41 p.m. |
| Nykolaishen, Lisa | CHWK: loss of communications | May 18, 2015, 6:03 p.m. |
| Schofield, Brian | CHWK: delay in data postings | July 10, 2014, 6:27 p.m. |
| Schofield, Brian | CHWK: delay in data postings | May 15, 2014, 7:06 p.m. |
| Schofield, Brian | CHWK: Firmware upgrade | Dec. 19, 2013, 10:24 p.m. |
| Schofield, Brian | CHWK: data loss | Jan. 5, 2011, 7:15 p.m. |
| Nykolaishen, Lisa | CHWK: antenna change | Nov. 10, 2010, 11:24 p.m. |
| Schofield, Brian | CHWK: site problems | Sept. 9, 2010, 7:46 p.m. |
| Nykolaishen, Lisa | CHWK: firmware upgrade | Aug. 4, 2010, 9:42 p.m. |
| Schofield, Brian | CHWK: communication problems | May 21, 2010, 7:16 p.m. |
| Schofield, Brian | CHWK: Data postings resume | April 14, 2010, 10:31 p.m. |
| Schofield, Brian | CHWK: Data Outage Commenicing 2010-088 | April 1, 2010, 9:18 p.m. |
| Nykolaishen, Lisa | CHWK: Updated site log | Nov. 19, 2008, 7:31 p.m. |
| Schofield, Brian | CHWK: delay in data submissions | July 20, 2008, 6:56 a.m. |
| Schmidt, Michael | DRAO / WILL: CDDIS archive update | July 9, 2008, 8:59 p.m. |
| Schmidt, Michael | CHWK: Data Outage Commenicing 2008-186 | July 9, 2008, 5:07 p.m. |
| Schofield, Brian | CHWK: data outage | Dec. 11, 2007, 1:08 a.m. |
| Schofield, Brian | CHWK: data outage | April 17, 2007, 12:11 a.m. |
| Schofield, Brian | DRAO: Data loss 2007-04-14 | April 15, 2007, 6:26 a.m. |
| Schofield, Brian | CHWK: data outage | Nov. 30, 2006, 1:24 a.m. |
| Schofield, Brian | CHWK: data outage | Nov. 29, 2006, 1:28 a.m. |
| Schmidt, Michael | CHWK: Receiver Change | Aug. 16, 2005, 9:10 p.m. |
| Schofield, Brian | CHWK: data outage | Aug. 3, 2005, 4:59 p.m. |
| AC | Final | Rapid | Ultra |
|---|---|---|---|
| NGS | March 3, 2024 | Aug. 27, 2024 | |
| GRG | April 19, 2026 | April 19, 2026 | |
| SIO | April 12, 2026 | Dec. 9, 2024 |