OPTICAL STATIONS (NORTH)
| ABK | Abisko | 68.36 | 18.82 |
| ALO | Alomar Rocker Range | 69.28 | 16.00 |
| ATHA | Athabasca OMTI | 54.72 | 246.72 |
| CONT | Contwoyto Lake | 65.75 | 248.75 |
| DNB | Daneborg | 74.31 | 338.78 |
| ESK | Eskdalemuir | 55.32 | 365.8 |
| FCHIP | Fort Chipewyan | 58.70 | 248.78 |
| FCHU | Fort Churchill | 58.76 | 265.92 |
| FSMI | Fort Smith | 60.02 | 248.05 |
| GAK | Haarp Gakona | 62 | 215 |
| GILL | Gillam | 56.38 | 265.36 |
| HOR | Hornsund | 77.00 | 15.55 |
| INUV | Inuvik | 68.30 | 226.70 |
| KEV | Kevo | 69.76 | 27.01 |
| KIL | Kilpisjärvi | 69.02 | 20.87 |
| KIR | Kiruna | 67.833 | 20.417 |
| LOV | Lovozero | 67.98 | 35.02 |
| LYR | Longyearbyen | 78.20 | 15.70 |
| MER | Merasjärvi | 67.55 | 21.92 |
| MUO | Muonio | 68.02 | 23.53 |
| NAL | Ny Ålesund | 78.92 | 11.93 |
| NIL | Nikkaluokta | 67.85 | 19.00 |
| NOR | Nordli | 64.37 | 13.36 |
| NYR | Nyrölä | 62.34 | 25.51 |
| PINA | Pinawa | 50.25 | 263.96 |
| POKE | Poker Flat | 65.1 | 212.5 |
| QNQ | Qaanaaq | 77 | 291 |
| RANK | Rankin Inlet | 62.82 | 267.89 |
| RES | Resolute Bay | 74.73 | 265.07 |
| SACHS | Sachs Harbor | 71.89 | 234.77 |
| SIL | Silkkimuotka | 68.03 | 21.69 |
| SKI | Skibotn | 69.30 | 20.40 |
| SOD | Sodankylä | 67.42 | 26.39 |
| TJA | Tjautas | 67.33 | 20.75 |
| TRO | Eiscat TRO | 69.37 | 19.18 |