$sat_alb_file = "ar2021121017_goes13_20211210_1640.satalb"; $sat_alb_bird = "goes13"; $sat_alb_date = "goes13:20211210_1640"; $sat_alb_chan = "vis"; $sat_alb_data = "ar2021121017_goes13_20211210_1640.satalb";