| Site Information |
| Site Name | Code | Subnet | Type | Monument Installed | Data Archived |
| Grouse Creek, Washington | GRCK | PANGA | Deep Drill-brace (Y) | 2006-11-16T00 | PANGA |
| Site Location Information |
| City | State | Latitude | Longitude | Elevation |
| Grouse Creek | WA | 48.1435 | -117.6645 | |
| Approximate ITRF Position X,Y,Z (m) |
| X | Y | Z |
| -1979883.7967 | -3776798.4208 | 4728043.2656 |
| Current Receiver and Antenna Type |
| Receiver | Antenna |
| TRIMBLE ALLOY | TRM115000.00+S SCIT |
| Data Acquisition for CGPS |
| Telemetry | Real-Time | SGM Dist | Onboard PPP | Last Data |
| CDMA | Y | n/a | N | current |
| Receiver Upgrades and Firmware Updates |
| Date Installed | Time UTC | Receiver Type |
| 2006-11-16 | 00:30:00 | TRIMBLE 5700 |
| 2010-11-02 | 00:00:00 | TPS NET-G3A |
| 2019-03-02 | 00:00:00 | TRIMBLE NETR9 |
| 2024-04-10 | 00:00:00 | TRIMBLE ALLOY |
| Antenna and Domes |
| Date Installed | Time UTC | Antenna Type & Dome |
| 2006-11-16 | 00:30:00 | TRM41249.00 NONE |
| 2007-11-15 | 00:00:00 | TRM41249.00 TZGD |
| 2008-12-03 | 00:00:00 | TRM41249.00 SCIT |
| 2010-11-02 | 00:00:00 | TPSCR.G3 TPSH |
| 2019-03-02 | 00:00:00 | TRM115000.00+S SCIT |
| DD=Daily Download, MD=Manual Download, DC=Decommissioned, NA=Not Available |