Radio propagation in open-pit mines: A first look at measurements in the 2.6 GHz band. - Erika P. L. Almeida; George Caldwell; Ignacio Rodriguez 001; Sergio Abreu; Robson D. Vieira; Viviane S. B. Barbosa; Troels B. Sørensen; Preben Mogensen 001; Luis Guilherme Uzeda Garcia (PIMRC, 2017)