Hand-Held: Data will be collected using a Bartington Grad 601-2. The instrument consists of two paired sensors and readings are logged at 0.25m centres along traverses 1.0m apart across 30m grids. The collection of data at 0.25m centres provides an appropriate methodology balancing cost and time with resolution as per Historic England guidelines Bartington Cart System Data will be collected using a cart carrying four paired Bartington magnetic sensors. Each data point is geographically referenced using an on-board Trimble RTK survey grade GPS system. Readings will be taken at 0.125m centres along traverses 1.0m apart. A detailed magnetometer survey was conducted over approximately 12.7 hectares of land at Badsey, Worcestershire, and it has not identified any anomalies of definite archaeological interest. Numerous linear and curvilinear trends, along with discrete anomalies and areas of increased response have an uncertain origin; they could be archaeological, natural or agricultural. Ridge and furrow is mapped across large parts of the site, while former field boundaries and land drains are also visible. The route of a sewer has been identified, along with areas of magnetic disturbance associated with an infilled pond, former allotment gardens and a modern track.
Rebecca Fradgley (Mon,) studied this question.