Andrea Pizzuti, University of Bath, Bath, BA2, United Kingdom; Biral Ltd., Portishead, United Kingdom, Serge Soula, University of Toulouse, Toulouse, France, Janusz Mlynarczyk, AGH University, Krakow, Poland, Alec Bennett, Biral Ltd, Bristol, United Kingdom, Martin Fullekrug, University of Bath, Bath, United Kingdom and Stephane Pedeboy, Météorage, Pau, France