locating

I'm having trouble roughly locating and pinpointing my target after I changed from a concentric coil to a dd coil. I'm running a garrett ace 200 with the 8.5X11 Proformance DD coil. Any advice I'm not sure what to do.

Greetings from Sensors & Software Inc - helping out with GPR related questions. Hello All, My name is Jason and I am the product marketing manager at Sensors & Software Inc. Some of you in the treasure hunting world might be familiar with our company which specializes in GPR equipment and...