| NM station | Geographic | Geomagnetic | Altitude (m) | Cutoff rigidity (GV) | ||
|---|---|---|---|---|---|---|
| Latitude | Longitude | Latitude | Longitude | |||
| Jang Bogo | 74.62°S | 164.23°E | 77.16°S | 272.43°E | 25 | 0.3 |
| Daejeon | 36.39°N | 127.37°E | 27.70°N | 198.14°E | 200 | 11.2 |
| Mt. Gamak | 35.59°N | 127.92°E | 26.93°N | 198.70°E | 925 | 11.0 |