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Near sh. 2280-2360 there appear to be one or more "phase" fadeouts as the prominent arrival steps later in time. It is as if there is a very faint low velocity zone around 20-25 km. Could be Pn Near 2400 and beyond. Diffcult to tell with topography influences. To test, crop off last section of data and plot against distance. Tricky area just before cross over. Pg is not clear. Perhaps it is in LVZ and on Pmp dives deep enough to arrive strong. |