r corr
i nchan
i npol
i nspect
i ischan
i nschan
d sfreq
d sdf
a telescop
d latitud
d longitu
d antdiam
i nants
d antpos
i ntimes
i nbls
i nblts
a visunits
a instrume
d altitude
d antnums
a antnames
d lst
d inttime
a source
d ra
d dec
a phsframe
d obspa
d obsra
d obsdec
i pol
d cnt
d coord
d time
r baseline
