Geomagnetic Indices and Variation from Juliusruh

Variation of the H-component of the geomagnetic field (yellow line)
3-hour K-Indices (green, yellow and red bars)
daily Ak-Indices

Variation of the Geomagnetic Field Components

Cartesian orientation of the magnetometer
X (North component), Y (East component), Z (vertical component, positive downwards)

Cylindrical orientation of the magnetometer
H (Horizontal component), D (Declination, positive east), Z (Vertical component)

Threeaxial Fluxgate Magnetometer Mag-03MC

- Information about the Sensor Mag-03MC from the manufacturer Bartington Instruments
- Mag.Resolution: 0.1 nT ; - Sampling rate: 5 sec ; - Noncalibrated!
- Sensor location is about 150m far from the Institutes Building
- Data transmission between the Data Accquisition Module at the sensor location and the Control-PC
via an optical RS232-Link
- Installed and tested between December 2002 and February 2003


Official German Geomagnetic Data from GFZ Potsdam
International Association of Geomagnetism and Aeronomy
IMAGE - International Monitor for Auroral Geomagnetic Effects

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