| Site Information |
| Site Name | Code | Subnet | Type | Monument Installed | Data Archived |
| BIGD | BIGD | PANGA | (Y) | 2006-07-19 | PANGA |
| Site Location Information |
| City | State | Latitude | Longitude | Elevation |
| Grand Coulee | WA | 47.9332 | -118.9886 | |
| Approximate ITRF Position X,Y,Z (m) |
| X | Y | Z |
| -2075009.4950 | -3745140.1244 | 4712276.3623 |
| Current Receiver and Antenna Type |
| Receiver | Antenna |
| SEPT POLARX5 | SEPCHOKE_B3E6 SPKE |
| 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 |
| 2006-07-19 | 00:00:00 | TRIMBLE 4700 |
| 2011-05-14 | 00:00:00 | TPS NET-G3A |
| 2019-07-10 | 01:00:00 | SEPT POLARX5 |
| Antenna and Domes |
| Date Installed | Time UTC | Antenna Type & Dome |
| 2006-07-19 | 00:00:00 | TRM33429.00+GP NONE |
| 2011-05-14 | 00:00:00 | TPSCR.G3 TPSH |
| 2019-07-10 | 01:00:00 | SEPCHOKE_B3E6 SPKE |
| DD=Daily Download, MD=Manual Download, DC=Decommissioned, NA=Not Available |