VOXI IP - RIP (reconnnaissance IP) data
Has anyone attempted to invert/model RIP data? Specifically RIP data that uses the checkerboard layout; i.e. receiver stations located on a grid say 1 km spacing, as opposed to the wagon wheel layout first utilized and modeled by Kennecott and Gerry Hohmann. I am about to attempt this with a data set...and I am wondering about what is sometimes termed...'pi flips'....when the readings are near pi...3141 mradians. I am planning to invert the individual dipoles at each station rather than combining the two orthogonal dipoles into a single IP value. Obviously EM-coupling must be removed first as well. And what do you do about negative values...negative apparent IP response. Can this actually occur in the real world or is it simply noise? How does Voxi handle this and how did you handle this?
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