$sat_alb_file = "ar2019083113_goes15_20190831_1300.satalb"; $sat_alb_bird = "goes13 goes15"; $sat_alb_date = "goes13:20190831_1250 goes15:20190831_1300"; $sat_alb_chan = "vis"; $sat_alb_data = "ar2019083113_goes13_20190831_1250.satalb ar2019083113_goes15_20190831_1300.satalb";