Overview:
- The Skarv Idun Development
- Earth’s Magnetic Field - components
- Earth’s magnetic field - Main characteristics
- Auroral electrojet
- Auroral electrojet’s effect on the magnetic field
Magnetometer Stations
- Standard 3-axes fluxgate
- Mounted on magnetically undisturbed site
- Electronics, data logger and communication equipment in nearby house
- Good short-time stability. Long term drift acceptable
- Data every few minutes are transmitted to TGO in Tromsø
When to Correct?
- Correction possible: Intervall 1 and 3
- Correction not possible: Intervall 2 (requires evaluation)
- Correction not required: Intervall 4
....
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Directional Surveying in Norwegian Sea
Morten Gjertsen - Baker Hughes