Checking for zero length scan
         VERSION: GWB-III LTA2.00 DAS2.00 HST04 
        OBS_MODE: USB_POLAR       CORR_HOST: GWB   BASELINES: 480   CHANNELS: 8192 
SCN OBJECT      RA(MEAN)     DEC(MEAN)    DATE        IST       RF(MHz) CW(kHz)   Nrecs
  0 3C48        01h38m57.37 +33d16'18.30" 14/Feb/2022 18:48:07 1460.00   24.414   58
  1 3C138       05h22m26.63 +16d39'35.59" 14/Feb/2022 19:42:07 1460.00   24.414    6
  2 3C138       05h22m26.63 +16d39'35.59" 14/Feb/2022 19:46:14 1460.00   24.414   19
  3 3C138       05h22m26.63 +16d39'35.59" 14/Feb/2022 19:53:53 1460.00   24.414   12
  4 3C138_OFF   05h22m29.48 +21d39'35.55" 14/Feb/2022 20:02:13 1460.00   24.414    4
  5 FRBR67      05h09m25.64 +26d05'16.83" 14/Feb/2022 20:07:04 1460.00   24.414   89
  6 3C138       05h22m26.63 +16d39'35.59" 14/Feb/2022 20:56:11 1460.00   24.414   15
  7 3C138       05h22m26.63 +16d39'35.59" 14/Feb/2022 21:02:28 1460.00   24.414    6
  8 FRBR67      05h09m25.64 +26d05'16.83" 14/Feb/2022 21:10:33 1460.00   24.414   90
  9 3C138       05h22m26.63 +16d39'35.59" 14/Feb/2022 21:46:16 1460.00   24.414   15
 10 3C138       05h22m26.63 +16d39'35.59" 14/Feb/2022 21:52:31 1460.00   24.414    6
 11 FRBR67      05h09m25.64 +26d05'16.83" 14/Feb/2022 21:57:13 1460.00   24.414   90
 12 3C147       05h44m19.12 +49d51'39.19" 14/Feb/2022 22:33:44 1460.00   24.414   15
 13 3C147       05h44m19.12 +49d51'39.19" 14/Feb/2022 22:48:01 1460.00   24.414    0
 14 3C147_OFF   05h44m26.04 +54d51'39.09" 14/Feb/2022 22:52:11 1460.00   24.414    4
 15 B0329+54    03h34m40.87 +54d39'07.30" 14/Feb/2022 22:56:50 1460.00   24.414   19
 16 B0329+54    03h34m40.87 +54d39'07.30" 14/Feb/2022 23:04:45 1460.00   24.414    7