- SUKFILTER - radially symmetric K-domain, sin2-tapered, polygonal filter
- SUK1K2FILTER - symmetric box-like K-domain filter defined by the cartesian product of two sin2-tapered polygonal filters defined in k1 and k2
- SUKFRAC - apply FRACtional powers of i|k| to data, with phase shift
- SUDIPFILT - DIP-or better-SLOPE Filter in f-k domain

John Stockwell 2007-04-10