1. Department of Physics; University of Cape Town; Cape Town South Africa
2. Exegetic Analytics; Durban South Africa
3. School of Chemistry and Physics; University of KwaZulu-Natal; Durban South Africa
4. Department of Geophysics and Space Science; Eötvös Loránd University; Budapest Hungary
5. Geodetic and Geophysical Institute; RCAES; Sopron Hungary
6. Department of Physics; University of Otago; Dunedin New Zealand