Ground-penetrating radar has come to public attention in recent criminal investigations but has been a developing & maturing remote sensing field for some time. In the light of recent expansion of the technique to a wide range of applications the need for an up-to-date reference has become pressing. This fully revised & expanded edition of the bestselling Surface Penetrating Radar (1996) presents for the non-specialise user or engineer all the key elements of this technique which span several disciplines including electromagnetics geophysics & signal processing. The book will help any user to assess the potential of the technique & currently available technology & to apply them effectively.