| Manufacturer | Model | Period / Frequency | Coil Resistance | Shunt Resistance | Sensitivity | RESP Filename | Source | Comments |
| Lunitek | Sentinel Geophone | 4.5 Hz / 0.22 s | 2450 ohms | 20000 ohms | 89.44 V/M/S | RESP.XX.NS616..SPZ.SENTINELGEO.4_5.2450.20000.89_44 | Lunitek | Sentinel dataloggers |
Mary Templeton 10/3/2019