$sat_alb_file = "ar2018042201_goes15_20180422_0130.satalb"; $sat_alb_bird = "goes13 goes15"; $sat_alb_date = "goes13:20180422_0045 goes15:20180422_0130"; $sat_alb_chan = "vis"; $sat_alb_data = "ar2018042201_goes13_20180422_0045.satalb ar2018042201_goes15_20180422_0130.satalb";