Parameters

 Keyword  Position  Type       Description
 -------  --------  ----       -----------
 INP         1      UNIV       Name of input 1-d datafile
 FOLD_OBJ    2      UNIV       Name of output fold file
 CHI_OBJ     3      UNIV       Name of output periodogram
 PERIOD      4      REAL       Initial period
 PINC        5      REAL       Period increment
 NPER        6      REAL       Number of periods
 EPOCH       7      DOUBLE     The atomic time of a zero in the phase
 NPHASE      8      INTEGER    Number of phase bins
 WEIGHTED           LOGICAL    Weight the data ?

• NPHASE