Floor Penetrating Radar (GPR) is one of the hottest approaches used in The placement of underground utilities. A GPR signal is shipped to the ground via a transmitter. Some percentage of the sign will likely be reflected with the metallic or non-mettalic utility that is certainly recorded having a receiver. https://maps.google.fi/url?q=https://www.bessutilitysolutions.com/sacramento-underground-utility-locating-services/