new experimental to operate on frequencies 216-220 MHz to conduct a research project that will monitor the Giles County Seismic Zone for ground motion such as earthquakes and man-made activity such as mine blast new experimental to operate on frequencies 216-220 MHz to conduct a research project that will monitor the Giles County Seismic Zone for ground motion such as earthquakes and man-made activity such as mine blast SYB 2-26-98