USGS Open-File Report 03-254, High-Resolution Subsurface Imaging of Coastal Barriers
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Figure 1. Ground-penetrating radar in the field. The system shown here is the GSSI SIR-2000 GPR with a 200 MHz transceiver antenna, the device that both generates and receives the electromagnetic signal. The frequency and wavelength (λ) of the signal determine the penetration and resolution of the subsurface image.
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