smafix - makes SMA specific corrections for quantities such as
Tsys, and etc..
smasfreq - corrects for sky-frequency labelling error in the old
SMA data (before 2007-11-26)
smasplt - splitting the uv dataset to separate spectral chunk data from
the first single channel chunk (ch0).
Keywords in smafix, smasfreq
and smasplt
are described from the inline documentation.