Checking for zero length scan
         VERSION: GWB-III LTA2.00 DAS2.00 HST04 
        OBS_MODE: INDIAN_POLAR    CORR_HOST: GWB   BASELINES: 930   CHANNELS: 2048 
SCN OBJECT      RA(MEAN)     DEC(MEAN)    DATE        IST       RF(MHz) CW(kHz)   Nrecs
  0 3C286       13h32m08.38 +30d23'52.28" 14/Sep/2021 09:53:35  500.00   97.656    0
  1 3C286       13h32m08.38 +30d23'52.28" 14/Sep/2021 09:55:23  500.00   97.656   61
  2 1130-148    11h31m12.80 -14d56'38.77" 14/Sep/2021 10:11:55  500.00   97.656   28
  3 GRB171205A  11h10m44.88 -12d42'22.63" 14/Sep/2021 10:18:52  500.00   97.656  123
  4 1130-148    11h31m12.80 -14d56'38.77" 14/Sep/2021 10:42:38  500.00   97.656   28
  5 1130-148    11h31m12.80 -14d56'38.77" 14/Sep/2021 10:49:38  500.00   97.656   53