Iowa Thimble Signal Guide
Thimble is a realistic Iowa detector target tied to fairgrounds, schoolyards, and plowed farmsteads. Rather than pretending every state has the same history, this profile frames the signal around the kinds of sites that actually produce it in Iowa: beaches, town greens, camps, farmsteads, transport corridors, or old recreation grounds.
Signal Pattern
small tidy mid-conductor signal
Typical Depth
2-5 inches
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