Yann Klinger, Institut de Physique du Globe de Paris, Paris, France, Laurent Bollinger, CEA/DAM/DIF, Arpajon, France, Steven L Forman, Baylor University, Waco, TX, United States, Ondobaatar Chimed, Institute of Astronomy and Geophysics, ulaanbaatar, Mongolia, Amgalan Bayasgalan, Leader Exploration LLC, Ulaanbaatar, Mongolia, Ulzibat Munkhuu, Institute of Astronomy and Geophysics, Ulaanbaatar, Mongolia, Ganzorig Davaasuren, IAG, Ulan Bator, Mongolia and Sodnomsambuu Demberel, Mongolian Academy of Sciences, Institute of Astronomy and Geophysics, Ulaanbaatar, Mongolia