Electric field imaging of a high impedance surface for GNSS array decoupling application Daniel Prost, François Issac, Cédric Martel, Nicolas Capet, Jérôme Sokoloff and Olivier Pascal Eur. Phys. J. Appl. Phys., 72 1 (2015) 11001 Published online: 11 September 2015 DOI: 10.1051/epjap/2015150253