 
 
 
 
 
   
a - ascii r - real (32 bit IEEE) d - double (64 bit IEEE) c - complex (2*32 bit IEEE) i - integer (32 bit) j - short (16 bit)
Miriad task varlist lists the variables used in the visdata. Here is an exmaple:
varlist% inp Task: varlist vis = gc.lsb log = options = all
The output is listed below with a format:
variable name :type: length.
     corr    :r:12290     epoch   :r:    1     latitud :d:    1
     longitu :d:    1     evector :r:    1     mount   :i:    1
     telescop:a:    3     instrume:a:    3     observer:a:    4
     version :a:   34     nants   :i:    1     antpos  :d:   24
     jyperk  :r:    1     ut      :d:    1     veltype :a:    8
     veldop  :r:    1     vsource :r:    1     antaz   :d:    8
     antel   :d:    8     lst     :d:    1     chi     :r:    1
     chi2    :r:    1     source  :a:    5     ra      :d:    1
     dec     :d:    1     pntra   :d:    1     pntdec  :d:    1
     obsra   :d:    1     obsdec  :d:    1     calcode :a:    1
     sourid  :i:    1     tau230  :r:    1     nspect  :i:    1
     inttime :r:    1     ischan  :i:   49     nschan  :i:   49
     sfreq   :d:   49     sdf     :d:   49     restfreq:d:   49
     freq    :d:    1     systemp :r:    8     npol    :i:    1
     pol     :i:    1     coord   :d:    3     time    :d:    1
     baseline:r:    1     nchan   :i:    1