Kansas Geological Survey, Open File Report 98-48
GEMS Site Borehole GPR, continued
Figure 4
Frequency spectra of Survey 1 GPR common-source gathers using
a 200 MHz borehole antenna. The vertical axis is frequency in
megahertz, and the horizontal axis is vertical distance between source
and receiver antennas. Source depth locations were (a) 12.0 m, and (b)
16.0 m. The antennas were 5.39 apart at zero-offset.
A small version of this figure is available.
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Kansas Geological Survey, Oil and Gas Information
Updated Nov. 17, 1998
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