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shots 2730-2750 display a characteristic seen in the synthetics over high f jagged topography. The first arrival is clear but the second cycle is rough. Entire signal is lost on sh. less than 2700. Energy finally arrives 1+ seconds after expected. PmP2 (or cycles within PmP2) are clearly visible near sh. 2550 (40-45 km). All arrivals are unreliable except the few traces near high end of record. |