During the 1998 Leonid campaign in Mongolia, we measured ELF/VLF, and our results are published in Journal of Geophysical Research: G. Zgrablić, D. Vinković, S. Gradečak, D. Kovačić, N. Biliškov, N. Grbac, Ž. Andreić, S. Garaj /J. Geophys. Res., Space Phys. /*107 (A7)* 1124-1132 (2002) I hope it will be helpfull. Best wishes, Nikola