r corr
i nchan
i npol
i nspect
i ischan
i nschan
d sfreq
d sdf
a source
a telescop
d latitud
d longitu
d antdiam
i nants
d antpos
i ntimes
i nbls
i nblts
a visunits
a instrume
d altitude
a xorient
a cminfo
d stopt
d startt
i obsid
a cmver
d duration
d antnums
a antnames
d lst
d inttime
d ra
d dec
i pol
d cnt
d coord
d time
r baseline
