Country/Region
Westford, United States of America (the)
Latitude, Longitude
42.613336, -71.493328
Elevation
85.0 (m)
| Receiver - Firmware | TRIMBLE ALLOY - NP 6.20 / SP 5.60 |
|---|---|
| Antenna - Radome | TWIVC6150 - SCIS |
| Antenna Calibration | ROBOT |
| Clock | EXTERNAL H-MASER |
| Last RINEX Data - Primary Data Center | 2026-04-29 (v2) - https://geodesy.noaa.gov/corsdata/ |
| Constellation - RINEX | GPS+GLO+GAL |
| Constellation - RealTime | |
| DOMES Number | 40440S020 |
| Nearby Tide Gauge | N/A |
| Download Type | Link |
|---|---|
| Station Log (ASCII) | WES200USA.log |
| Station Log (GeodesyML) | WES200USA.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 |
|---|---|---|
| TRIMBLE ALLOY - NP 6.20 / SP 5.60 | TWIVC6150 - SCIS | Aug. 14, 2023 |
| TRIMBLE ALLOY - NP 6.20 / SP 5.60 | TWIVC6150 - SCIS | July 7, 2023 |
| TRIMBLE ALLOY - NP 6.16 / SP 5.56 | TWIVC6150 - SCIS | Jan. 27, 2023 |
| TRIMBLE ALLOY - NP 6.05 / SP 5.45 | TWIVC6150 - SCIS | Aug. 9, 2022 |
| TRIMBLE ALLOY - NP 6.05 / SP 5.45 | TWIVC6150 - SCIS | Nov. 29, 2021 |
| TRIMBLE ALLOY - 6.12/5.52 | TWIVC6150 - SCIS | Oct. 28, 2021 |
| TRIMBLE ALLOY - 6.12/5.52 | JAVRINGANT_DM - SCIS | Oct. 5, 2021 |
| TRIMBLE ALLOY - 6.10/5.50 | JAVRINGANT_DM - SCIS | July 22, 2021 |
| TRIMBLE ALLOY - 5.45 | JAVRINGANT_DM - SCIS | Feb. 26, 2021 |
| SEPT POLARX5 - 5.3.2 | TPSCR4 - NONE | Feb. 21, 2020 |
| SEPT POLARX5 - 5.3.0 | TPSCR4 - NONE | Jan. 31, 2020 |
| SEPT POLARX5 - 5.2.0 | JAVRINGANT_DM - NONE | May 16, 2019 |
| SEPT POLARX5 - 5.2.0 | TRM59800.00 - NONE | Dec. 20, 2018 |
| SEPT POLARX5 - 5.1.2 | TRM59800.00 - NONE | Nov. 26, 2018 |
| SEPT POLARX5 - 5.1.2 | TRM41249.00 - NONE | Nov. 22, 2018 |
| TRIMBLE NETRS - 1.3-2 | TRM41249.00 - NONE | Aug. 13, 2018 |
| TRIMBLE NETRS - 1.3-2 | JAVRINGANT_DM - NONE | Aug. 9, 2018 |
| LEICA GR50 - 4.20/7.300 | JAVRINGANT_DM - NONE | March 6, 2018 |
| LEICA GR50 - 4.11/7.102 | JAVRINGANT_DM - NONE | Nov. 28, 2017 |
| SEPT POLARX4TR - 2.5.2 | JAVRINGANT_DM - NONE | June 25, 2014 |
| LEICA GRX1200GGPRO - 8.20/IME3.019 | JAVRINGANT_DM - NONE | June 24, 2014 |
| LEICA GRX1200GGPRO - 8.20/IME3.019 | AOAD/M_TA_NGS - NONE | June 23, 2011 |
| LEICA GRX1200GGPRO - 8.00 / IME 3.019 | AOAD/M_TA_NGS - NONE | Aug. 10, 2010 |
| LEICA GRX1200GGPRO - 7.80 / IME 3.019 | AOAD/M_TA_NGS - NONE | May 5, 2010 |
| LEICA GRX1200GGPRO - 7.80 | AOAD/M_TA_NGS - NONE | April 16, 2010 |
| LEICA GRX1200GGPRO - 7.50 | AOAD/M_TA_NGS - NONE | Dec. 1, 2009 |
| ASHTECH UZ-12 - CQ00 | AOAD/M_TA_NGS - NONE | April 9, 2009 |
| ASHTECH UZ-12 - CK00 | AOAD/M_TA_NGS - NONE | Sept. 21, 2007 |
| ROGUE SNR-8000 - 3.2.32.11 | AOAD/M_TA_NGS - NONE | Oct. 10, 2002 |
| ASHTECH UZ-12 - ZC00 | AOAD/M_TA_NGS - NONE | June 7, 2002 |
| ASHTECH UZ-12 - ZB00 | AOAD/M_TA_NGS - NONE | July 27, 2001 |
| ROGUE SNR-8000 - 3.2.32.11 | AOAD/M_T - NONE | Aug. 30, 2000 |
| ROGUE SNR-8000 - 3.2.32.10 | AOAD/M_T - NONE | Aug. 22, 2000 |
| ROGUE SNR-8000 - 3.2.32.10 | AOAD/M_TA_NGS - NONE | July 26, 2000 |
| ROGUE SNR-8000 - 3.2.32.9 | AOAD/M_T - NONE | Aug. 6, 1999 |
| ROGUE SNR-8000 - 3.2.32.8 | AOAD/M_T - NONE | June 1, 1999 |
| ROGUE SNR-8000 - 3.2.32.1 | AOAD/M_T - NONE | June 22, 1998 |
| ROGUE SNR-8000 - 3.2.32.1 | AOAD/M_T - NONE | June 1, 1998 |
| ROGUE SNR-8000 - 3.2.32.1 | AOAD/M_T - NONE | Feb. 5, 1998 |
| ROGUE SNR-8000 - 3.2.32.1 | AOAD/M_T - NONE | Oct. 22, 1997 |
| ROGUE SNR-8000 - 3.2.32.1 | AOAD/M_T - NONE | June 30, 1997 |
| ROGUE SNR-8000 - 3.2.32.1 | AOAD/M_T - NONE | May 23, 1997 |
| ROGUE SNR-8000 - 3.2.32.1 | AOAD/M_T - NONE | May 22, 1997 |
| ROGUE SNR-8000 - 3.2.32.1 | AOAD/M_T - NONE | July 1, 1996 |
| ROGUE SNR-8000 - 3.2.32.1 | AOAD/M_T - NONE | June 11, 1996 |
| ROGUE SNR-8000 - 3.2.32.1 | AOAD/M_T - NONE | June 4, 1996 |
| ROGUE SNR-8000 - 3.2.32.1 | AOAD/M_T - NONE | March 29, 1996 |
| ROGUE SNR-8000 - 3.2.32.1 | AOAD/M_T - NONE | Nov. 17, 1995 |
| ROGUE SNR-8000 - 3.1 (3.0.32.2) | AOAD/M_T - NONE | Sept. 6, 1995 |
| ROGUE SNR-8000 - 3.1 (3.0.32.2) | AOAD/M_T - NONE | Aug. 8, 1995 |
| ROGUE SNR-8000 - 3.1 (3.0.32.2) | AOAD/M_T - NONE | Jan. 5, 1995 |
| ROGUE SNR-8000 - 3.0 | AOAD/M_T - NONE | Nov. 23, 1994 |
| ROGUE SNR-8000 - 2.8.32.1 | AOAD/M_T - NONE | Aug. 3, 1994 |
| ROGUE SNR-8000 - 2.8 | AOAD/M_T - NONE | July 8, 1994 |
| ROGUE SNR-8000 - 2.8 | AOAD/M_T - NONE | Feb. 8, 1993 |
| Sender | Subject | Date |
|---|---|---|
| WES200USA Operational Once Again | March 4, 2021, 1:33 p.m. | |
| WES2 update: new receiver and antenna | Nov. 27, 2018, 5:52 p.m. | |
| Giovanni Sella | WES2 bad data | Sept. 12, 2014, 8:04 p.m. |
| Giovanni Sella | WES2 bad data | Sept. 12, 2014, 8:03 p.m. |
| Giovanni Sella | WES2 resume data flow | Sept. 2, 2014, 6:16 p.m. |
| Giovanni Sella | Re: WES2 only tracking 34 mins/60 mins during day | July 21, 2014, 6:28 p.m. |
| Thomas Herring | WES2 only tracking 34 mins/60 mins during day | July 21, 2014, 6:20 p.m. |
| Giovanni Sella | WES2 new receiver | July 3, 2014, 12:12 p.m. |
| Giovanni Sella | WES2 New Antenna | June 24, 2014, 6:33 p.m. |
| Giovanni Sella | WES2 new antenna | June 24, 2014, 6:25 p.m. |
| Giovanni Sella | Log format corrections only to: BDOS BRFT BRMU | Aug. 9, 2013, 7:46 p.m. |
| Re: some receivers misreporting satellite health | June 7, 2013, 11:18 a.m. | |
| some receivers misreporting satellite health bits | April 24, 2013, 5:31 p.m. | |
| Re: some receivers misreporting satellite health | April 24, 2013, 3:19 p.m. | |
| Analysis Center Coordinator | some receivers misreporting satellite health bits | April 24, 2013, 2:09 p.m. |
| Re: WES2 station, Westford, Massachusetts | April 22, 2013, 6:39 p.m. | |
| Jim Ray | low data yields at BAKE, DUBR, GLDR, IRKT, ISCO, | Sept. 25, 2012, 6:12 p.m. |
| Jim Ray | more stations with low data yields | Aug. 20, 2012, 7:20 p.m. |
| Giovanni Sella | WES2 New receiver and New Firmware | June 23, 2011, 5:27 p.m. |
| Giovanni Sella | WES2 offline | May 13, 2011, 5:24 p.m. |
| Giovanni Sella | WES2 new firmware 8.0 | Aug. 10, 2010, 12:20 p.m. |
| Giovanni Sella | WES2 missing and incomplete files | June 3, 2010, 10:16 p.m. |
| Giovanni Sella | WES2: New measurement engine 3.019 and | May 4, 2010, 4:31 p.m. |
| Giovanni Sella | WES2 EPRT GLONASS tracking switched off | April 29, 2010, 12:55 p.m. |
| Giovanni Sella | WES2 firmware upgrade 7.5 to 7.8 | April 16, 2010, 4:51 p.m. |
| Giovanni Sella | WES2: Data flowing again! | Feb. 3, 2010, 11:14 p.m. |
| Giovanni Sella | WES2 New Receiver LEICA1200GG Pro | Jan. 5, 2010, 3:20 p.m. |
| Giovanni Sella | WES2: Corrected log due to date install | April 9, 2009, 7:02 p.m. |
| Giovanni Sella | WES2: Receiver replaced and external | April 9, 2009, 2:07 p.m. |
| Giovanni Sella | NGS Submission to IGS global data centers | June 13, 2008, 1:23 a.m. |
| Giovanni Sella | Logs updated aspa barh bdos brft brmu cnmr | Nov. 13, 2006, 10:16 p.m. |
| Jim Ray | update of day-boundary clock jump analysis | June 15, 2004, 12:08 p.m. |
Analysis Center Usage
| AC | Final | Rapid | Ultra |
|---|---|---|---|
| WHU | Jan. 5, 2025 | ||
| JPL | Feb. 5, 2025 | ||
| MIT | April 12, 2026 | ||
| NGS | April 12, 2026 | April 12, 2026 | |
| SIO | April 12, 2026 | July 26, 2023 | July 27, 2023 |
| USNO | Oct. 19, 2023 | Oct. 24, 2023 |