Jayashree Bulusu
Geomagnetic observatory
CSIR-National Geophysical Research Institute
Uppal Road, Hyderabad
Telangana, India
Tel:+914027014388
E-mail: bulusujayashree@gmail.com

Carlo Laj
Emeritus Professor
Ecole Normale Superieure
Departement de Geologie
24 rue Lhomond, 75231 Paris Cedex 5, France
Carlo.laj@ens.fr   &
Committee on Education
European Geosciences Union
E-mail: lajcarlo@gmail.com

Barbara Leichter
Department Geophysics
Section Geomagnetics/Gravimetry
Division Data, Methods, Modeling
Zentralanstalt fuer Meteorologie und Geodynamik/ ZAMG
1190 Vienna, Hohe Warte 38
Tel.: +43 1 36026 2515
E-Mail: barbara.leichter@zamg.ac.at

Kusumita Arora
Geomagnetic Observatories
CSIR-NGRI
Uppal Road, Hyderabad 500007, India