Country/Region
Boulder, United States of America (the)
Latitude, Longitude
39.995067, -105.262606
Elevation
1648.353 (m)
| Receiver - Firmware | SEPT POLARX5TR - 5.4.0 |
|---|---|
| Antenna - Radome | NOV750.R4 - NONE |
| Antenna Calibration | ROBOT |
| Clock | EXTERNAL H-MASER |
| Last RINEX Data - Primary Data Center | 2025-12-06 (v3) - JPL |
| Constellation - RINEX | GPS+GLO+GAL+BDS+QZSS+SBAS |
| Constellation - RealTime | |
| DOMES Number | 49507M002 |
| Nearby Tide Gauge | N/A |
| Download Type | Link |
|---|---|
| Station Log (ASCII) | NIST00USA.log |
| Station Log (GeodesyML) | NIST00USA.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 POLARX5TR - 5.4.0 | NOV750.R4 - NONE | June 17, 2022 |
| SEPT POLARX5TR - 5.4.0 | NOV702 - NONE | June 15, 2022 |
| NOV OEM4-G2 - 2.200-L1L2W | NOV702 - NONE | May 10, 2006 |
| Sender | Subject | Date |
|---|---|---|
| NIST station receiver and antenna upgrades | June 29, 2022, 6:36 p.m. | |
| CODE AC team | Tracking of G04 with Septentrio receiver | Feb. 18, 2020, 6:02 a.m. |
| NIST data delayed since since MJD 58831 | Dec. 16, 2019, 5:22 p.m. | |
| NIST receiver maintenance after 18.00UTC, MJD58787 | Oct. 31, 2019, 5:38 p.m. | |
| NIST RINEX data MJD58402/DOY284 | Oct. 12, 2018, 12:16 a.m. | |
| David Maggert | NIST receiver DOY357: bad data ~ first 40 min | March 5, 2018, 5:19 p.m. |
| NIST data starting DOY243 | Sept. 5, 2017, 7:19 p.m. | |
| NIST Receiver: Change in Ref. Delay since MJD | July 7, 2015, 9:54 p.m. | |
| NIST data updated | May 14, 2015, 7:39 p.m. | |
| NIST data starting from DOY126 | May 8, 2015, 4:42 p.m. | |
| NIST: Delay in uploading CGGTTS and RINEX data | Jan. 22, 2015, 6:31 p.m. | |
| Zhang, Victor | Recall: station NIST reference signal changed | June 19, 2014, 11:44 p.m. |
| Zhang, Victor | Correction: station NIST reference signal changed | June 19, 2014, 10:35 p.m. |
| Zhang, Victor | station NIST reference signal changed | June 19, 2014, 7:58 p.m. |
| Zhang, Victor | station NIST reference signal change on June 10 | June 10, 2014, 12:35 p.m. |
| Marc Weiss | station NIST time step Tuesday April 29 | April 29, 2014, 10:27 p.m. |
| Marc Weiss | station NIST reference signal changes | April 22, 2014, 2:09 a.m. |
| Marc Weiss | station NIST timing signal changes | Dec. 21, 2013, 7:04 p.m. |
| Marc Weiss | station NIST timing signal changes | Dec. 19, 2013, 10:40 p.m. |
| Marc Weiss | UTC(NIST ) changes today | May 21, 2013, 3:45 p.m. |
| Marc Weiss | NIST receiver problems since December 10 | Jan. 29, 2013, 5:56 p.m. |
| Marc Weiss | NIST receiver problems since December 10 | Dec. 11, 2012, 11:46 p.m. |
| Marc Weiss | station NIST data resume | Oct. 22, 2012, 9:59 p.m. |
| Marc Weiss | station NIST will be delayed until Monday, | Oct. 18, 2012, 9 p.m. |
| Marc Weiss | station NIST delayed data since March 1, 2012 | March 3, 2012, 10:52 p.m. |
| Marc Weiss | station NIST timing problems May 16 | March 3, 2012, 10:28 p.m. |
| Marc Weiss | station NIST timing problems May 16 | May 17, 2011, 11:28 p.m. |
| Nacho Romero | Message for igsstation | May 22, 2010, 10:11 p.m. |
| Marc Weiss | station NIST time step since Dec 9 | Dec. 12, 2009, 12:04 a.m. |
| Marc Weiss | station NIST timing problems Dec 5-8 | Dec. 8, 2009, 11:53 p.m. |
| Marc Weiss | NISU power outage | Aug. 14, 2009, 11:15 p.m. |
| Marc Weiss | NISU being decommisioned | Aug. 10, 2009, 10:25 p.m. |
| Marc Weiss | NISU time step | June 10, 2009, 7:50 p.m. |
| Robert Khachikyan | Re: [IGSSTATION-2975]: Re: NIST primary | April 8, 2009, 3:40 p.m. |
| Jim Ray | Re: NIST primary receiver | April 7, 2009, 7:28 p.m. |
| Marc Weiss | NIST primary receiver | April 7, 2009, 7:08 p.m. |
| Jim Ray | bogus PRN01 nav records | March 13, 2009, 1:05 p.m. |
| Marc Weiss | NISU header corrected | Feb. 10, 2009, 8:22 p.m. |
| Marc Weiss | NISU station OK | Feb. 4, 2009, 6:32 p.m. |
| Marc Weiss | NISU outage today | Feb. 3, 2009, 7:33 p.m. |
| Victor Zhang, NIST | NIST receiver problem | Nov. 5, 2008, 4:36 p.m. |
| Marc Weiss | NISU header error | Aug. 13, 2007, 6:58 p.m. |
| Marc Weiss | NISU back on-line | April 18, 2007, 5:59 p.m. |
| Marc Weiss | Reset NISU planned for April 18 | April 17, 2007, 6:21 p.m. |
| Marc Weiss | Time step in NISU | April 13, 2007, 6:21 p.m. |
Analysis Center Usage
| AC | Final | Rapid | Ultra |
|---|---|---|---|
| MIT | Nov. 23, 2025 | ||
| NGS | Nov. 23, 2025 | Nov. 30, 2025 | |
| JGX | Nov. 29, 2025 | Nov. 30, 2025 | Nov. 30, 2025 |
| USNO | May 18, 2024 | ||
| GRG | Nov. 30, 2025 | Nov. 26, 2025 | |
| WHU | Nov. 30, 2025 | Nov. 28, 2025 | |
| SIO | Nov. 16, 2025 | Nov. 30, 2025 | June 7, 2023 |
| CODE | Nov. 23, 2025 | Jan. 14, 2025 | |
| JPL | Nov. 23, 2025 | March 3, 2025 | |
| EMR | Nov. 16, 2025 | Oct. 16, 2025 |