Write 16 bits files in tofil

tofil.py

@@ -75,14 +75,14 @@ def create_filterbank(infile=None, outfile=None, date=None, source=None):
     fil_header["src_dej"]       = 0.0
     fil_header["tstart"]        = date
     fil_header["tsamp"]         = 0.00046811428571414528 # 1.0/35e6*256 chans*64 decimation
-    fil_header["nbits"]         = 32
+    fil_header["nbits"]         = 16
     fil_header["fch1"]          = 441.4
     fil_header["foff"]          = -35.0/256.0
     fil_header["nchans"]        = 256
     fil_header["nifs"]          = 1
 
     # Write header
-    out = filterbank.create_filterbank_file(outfile, fil_header, nbits=32)
+    out = filterbank.create_filterbank_file(outfile, fil_header, nbits=16)
 
     if not infile:
         out.close()
@@ -107,7 +107,7 @@ def create_filterbank(infile=None, outfile=None, date=None, source=None):
                                            np.sum(data[1:,-1] - data[:-1,-1] - 1))
 
         # Write data
-        out.append_spectra(data)
+        out.append_spectra(data.astype('u2'))
 
         offset += 256*CHUNKSIZE*4