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(IVAR) - Final Report - Strategic Environmental Research and ...

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Figure 6-3. The locations of eBirdRad <strong>and</strong> TI-VPR unit use in the thermal validation studies.<br />

The eBirdRad (“RT-1”) unit was located in an agricultural field of Sunny Side Plantation, 8360<br />

Peter’s Point Road, Edisto Isl<strong>and</strong>, South Carolina, while the TI-VPR unit (“TT-1”) was located<br />

1295 m away in the yard of a residence at 8176 Peter’s Point Road.<br />

Figure 6-4 below shows the basic elements of the TI-VPR. A vertically-pointing Radiance I<br />

high-resolution thermal imager was used to identify the heat signatures of biological targets as<br />

they pass through the 4° sampling cone above the imager (Figure 6-5) <strong>and</strong> a vertically-pointing<br />

X-b<strong>and</strong> radar (also with a 4° sampling cone) that was used as a range finder to measure the<br />

altitude AGL of the same targets. A video camera was positioned in front of the radar’s plan<br />

position indicator (PPI) display to record the images of targets detected in the radar beam. The<br />

analog images from this camera <strong>and</strong> from the video output of the Radiance I thermal imager<br />

were multiplexed, time-stamped, <strong>and</strong> stored on a DVD for later playback <strong>and</strong> analysis, as<br />

described in Appendix B.<br />

73

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