r corr
i npol
i pol
r vsource
a version
a veltype
r veldop
d ut
a telescop
i tcorr
a source
d ra
d pntra
d pntdec
d obsra
a observer
d obsdec
i nants
i mount
d lst
d longitu
d latitud
r jyperk
r inttime
r evector
r epoch
d dec
r chi2
r chi
d antpos
d antel
d antaz
i nspect
i nschan
i ischan
d sdf
d sfreq
d restfreq
r systemp
d coord
d time
r baseline
i nchan