Subsurface Instruments announced two updated models of their All Materials Locator (AML), which uses ultrahigh radio frequencies to pinpoint buried plastic, metal, wood, cable and pipe in any soils at depths of more than 20 feet.The AML Pro and AML+ models build on the technology provided by the original hand-held AML, adding digital microprocessor technology and a lithium rechargeable battery pack. The Pro model also offers GPS reporting to mark locations on existing maps. The advances improve performance and job site efficiency, and support convenient reporting of coordinates and quick and easy firmware updates.The AML product line utilizes technology developed
