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Center for Advanced Spatial Technologies

University of Arkansas

Geophysical Instruments

Home » About CAST » Computing & Research Equipment » Research Instruments » Geophysical Instruments

CAST currently uses the three geophysical instruments listed below. These instruments have proven to be highly effective at a wide range of archaeological sites. Recent projects where the instruments have been used include work at Tiwanaku in Bolivia as well as Tell Qarqur and Umm el Mara in Syria. Examples of recent results from the instruments are provided at the pages linked below.

Ground-penetrating Radar (GPR): GSSI SIR-3000	Magnetic Gradiometer: Bartington Grad601-2	Resistivity Meter: AGI STING R1 Earth Resistivity Meter

CAST is also planning to acquire an electromagnetic induction (EMI) meter (for simultaneous measurement of electrical conductivity and magnetic susceptibility), and a second resistivity meter designed for rapid, single-depth measurements over large areas