Articles | Volume 6, issue 2
Geosci. Instrum. Method. Data Syst., 6, 231–238, 2017
https://doi.org/10.5194/gi-6-231-2017

Special issue: The Earth’s magnetic field: measurements, data, and applications...

Geosci. Instrum. Method. Data Syst., 6, 231–238, 2017
https://doi.org/10.5194/gi-6-231-2017
Research article
07 Jul 2017
Research article | 07 Jul 2017

Stability analysis of geomagnetic baseline data obtained at Cheongyang observatory in Korea

Shakirah M. Amran et al.

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Short summary
In this work, we analysed the Cheongyang geomagnetic baseline data from 2014 to 2016. We observed a step of more than 5 nT in the H and Z baseline in 2014 and 2015 due to artificial magnetic noise in the absolute hut. The baseline also shows a periodic modulation due to temperature variations in the fluxgate magnetometer hut. The quality of the baselines was improved by correcting the discontinuity in the H and Z baselines.