Sumaruk, Y., Orlyuk, M., Marusenkov, A. and Otruba, Y. 2024. The procedure for preparing one-second variometer data of the Argentine Island geomagnetic observatory. Ukrainian Antarctic Journal. 22, 2(29) (Dec. 2024), 146-162. DOI:https://doi.org/10.33275/1727-7485.2.2024.733.