Country/Region
San Nicolas Island, United States of America (the)
Latitude, Longitude
33.247875, -119.524364
Elevation
239.67 (m)
| Receiver - Firmware | SEPT POLARX5 - 5.4.0 |
|---|---|
| Antenna - Radome | TWIVC6050 - SCIS |
| Antenna Calibration | ROBOT |
| Clock | INTERNAL |
| Last RINEX Data - Primary Data Center | 2026-04-26 (v2) - CDDIS |
| Constellation - RINEX | GPS+GLO+GAL+SBAS |
| Constellation - RealTime | |
| DOMES Number | 49909S001 |
| Nearby Tide Gauge | N/A |
| Download Type | Link |
|---|---|
| Station Log (ASCII) | SNI100USA.log |
| Station Log (GeodesyML) | SNI100USA.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 - 5.4.0 | TWIVC6050 - SCIS | March 20, 2025 |
| TPS NET-G3A - 4.7 Feb,21,2019 p10 | TPSCR.G3 - SCIS | March 27, 2019 |
| TPS NET-G3A - 4.7 Oct,18,2016 p2 | TPSCR.G3 - SCIS | Aug. 8, 2017 |
| TPS NET-G3A - 4.7 Oct,18,2016 p2 | ASH701945B_M - SCIS | Feb. 13, 2017 |
| TPS NET-G3A - 4.5 Dec,29,2014 | ASH701945B_M - SCIS | Feb. 9, 2016 |
| TPS NET-G3A - 4.5 Dec,29,2014 | ASH701945B_M - SCIS | Nov. 18, 2015 |
| TPS NET-G3A - 4.0 Dec,21,2012 p1 | ASH701945B_M - SCIS | June 5, 2013 |
| TPS NET-G3A - 3.6 Feb,28,2012 p1 | ASH701945B_M - SCIS | Dec. 10, 2012 |
| TRIMBLE NETRS - 1.1-2 | ASH701945B_M - SCIS | Jan. 25, 2011 |
| ASHTECH Z-XII3 - CC00 | ASH701945B_M - SCIS | Dec. 19, 2000 |
| ASHTECH Z-XII3 - CC00 | ASH700936E_C - NONE | Aug. 25, 1999 |
| ASHTECH Z-XII3 - 1F50 | ASH700936E_C - NONE | Aug. 18, 1998 |
| ROGUE SNR-8000 - 3.2 link 03/09/95 | AOAD/M_T - NONE | July 10, 1996 |
| ROGUE SNR-8000 - 3.2 link 03/09/95 | AOAD/M_T - NONE | Nov. 21, 1995 |
| Sender | Subject | Date |
|---|---|---|
| David Maggert | SNI100USA: receiver and antenna swap | April 21, 2025, 7:43 p.m. |
| David Maggert | SNI1: antenna swap | Aug. 11, 2017, 9:13 p.m. |
| David Maggert | UCLP, HOLP, SNI1, SPK1 receiver firmware updates | Feb. 15, 2017, 9:35 p.m. |
| Chaminda Senavirathna | Re: CHIL, CLAR, CMP9, HOLP, ROCK, SNI1, SPK1, TORP, | April 6, 2016, 4:23 a.m. |
| David Maggert | CHIL, CLAR, CMP9, HOLP, ROCK, SNI1, SPK1, TORP, | April 5, 2016, 6:23 p.m. |
| David Maggert | CHIL, SNI1, SPK1, TABL, WLSN - GLONASS disabled | Feb. 18, 2016, 2:26 p.m. |
| David Maggert | HOLP, ROCK, SNI1, SPK1, TORP, UCLP, | Nov. 19, 2015, 9:53 p.m. |
| David Maggert | Receiver firmware updates at SNI1, TABL, WLSN, | June 11, 2013, 10:27 p.m. |
| David Maggert | SNI1: receiver swap | Dec. 11, 2012, 3:50 p.m. |
| David Maggert, UNAVCO | SNI1: correction to receiver installed | Jan. 31, 2011, 9:31 p.m. |
| David Maggert, UNAVCO | SNI1: receiver swap | Jan. 28, 2011, 8:40 p.m. |
| David Maggert, UNAVCO | SNI1: data outage | Aug. 3, 2010, 3:21 p.m. |
| David Maggert, UNAVCO | Data Flow Restored for USGS-SCIGN IGS sites | Feb. 9, 2009, 8:34 p.m. |
| David Maggert, UNAVCO | Data Flow Down for USGS-SCIGN IGS Sites | Feb. 6, 2009, 5:34 p.m. |
| David Maggert, UNAVCO | SCIGN USGS Data Outage | Oct. 23, 2008, 4:43 p.m. |
| David Maggert, UNAVCO | SCIGN USGS Site Log updates | May 14, 2008, 8:43 p.m. |
Analysis Center Usage
| AC | Final | Rapid | Ultra |
|---|---|---|---|
| SIO | April 12, 2026 | ||
| NGS | April 12, 2026 | April 26, 2026 |