| Site Information |
| Site Name | Code | Subnet | Type | Monument Installed | Data Archived |
| CROK | CROK | PANGA | Building (Y) | 2007-05-05 | PANGA |
| Site Location Information |
| City | State | Latitude | Longitude | Elevation |
| Castle Rock | WA | 46.2745 | -122.9125 | |
| Approximate ITRF Position X,Y,Z (m) |
| X | Y | Z |
| -2399639.7344 | -3707500.7876 | 4586398.5660 |
| Current Receiver and Antenna Type |
| Receiver | Antenna |
| TRIMBLE NETR9 | TRM115000.00 NONE |
| 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 |
| 2007-05-05 | 00:00:00 | JPS ODYSSEY |
| 2008-08-12 | 00:00:00 | JPS ODYSSEY |
| 2011-02-04 | 00:00:00 | TPS NET-G3A |
| 2019-06-21 | 10:00:00 | TRIMBLE NETR9 |
| Antenna and Domes |
| Date Installed | Time UTC | Antenna Type & Dome |
| 2007-05-05 | 00:00:00 | TPSCR3_GGD CONE |
| 2008-08-12 | 00:00:00 | TPSCR3_GGD CONE |
| 2011-02-04 | 00:00:00 | TPSCR.G3 TPSH |
| 2019-06-21 | 10:00:00 | TRM115000.00 NONE |
| DD=Daily Download, MD=Manual Download, DC=Decommissioned, NA=Not Available |