[data-issues] polarity reversal for XM.TX06

Philip Crotwell crotwell at seis.sc.edu
Thu Mar 16 13:33:12 PST 2006

Maybe I should revise this, I have no idea if this is truely a polarity 
reversal, just that the horizontals appear to be upside down. It could 
be that BHE is really north and BHN is really west or some other 
strange thing.

I should probably just let the pictures speak their 1000 words...


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