| Station code | Station / country | Geo. Loc. (lat, lon) | Elevation (m) | Minimum GCR variation (%) | Cutoff rigidity (GV) |
|---|---|---|---|---|---|
| APTY | Apatity / Russia | 67.55 N, 33.33E | 181 | –20.4 | 0.65 |
| FSMT | Fort Smith / Canada | 60.02 N, 111.93 W | 180 | –21.0 | 0.30 |
| INVK | Inuvik / Canada | 68.35 N, 133.72 W | 21 | –19.2 | 0.30 |
| NAIN | Nain / Canada | 56.60 N, 61.70 W | 46 | –21.5 | 0.30 |
| OULU | Oulu / Finland | 65.05 N, 25.47 E | 15 | –21.1 | 0.80 |
| THUL | Thule / Greenland | 76.50 N, 68.70 W | 26 | –19.7 | 0.30 |
| TXBY | Tixie Bay / Russia | 71.58 N, 128.92 E | 0 | –17.0 | 0.48 |
| ATHN | Athens / Greece | 37.97 N, 23.78 E | 260 | –15.6 | 8.53 |
| BKSN | Baksan / Russia | 43.28 N, 42.69 E | 1,700 | –17.7 | 5.60 |
| CALM | Guadalajara / Spain | 40.56 N 3.16 W | 708 | –15.0 | 6.95 |
| GCHN | Geochang / South Korea | 35.59 N, 127.92 E | 925 | –13.7 | 11.30 |
| MXCO | Mexico City / Mexico | 19.33 N, 99.18 W | 2,274 | –17.1 | 8.20 |
| ROME | Rome / Italy | 41.86 N, 12.47 E | 0 | –16.0 | 6.72 |
| JBGO | Jang Bogo / Antarctica | 74.37 S, 164.13 E | 30 | –19.5 | 0.30 |
| KERG | Kerguelen / Antarctica | 49.35 S, 70.25 E | 33 | –21.5 | 1.14 |
| TERA | Terre Adelie / Antarctica | 66.65 S, 140.02 E | 140 | –19.0 | 0.10 |
| SOPO | South Pole / Antarctica | 90.00 S, 0.00 E | 2,820 | –23.3 | 0.10 |