$sat_alb_file = "ar2019031915_goes15_20190319_1430.satalb"; $sat_alb_bird = "goes13 goes15"; $sat_alb_date = "goes13:20190319_1445 goes15:20190319_1430"; $sat_alb_chan = "vis"; $sat_alb_data = "ar2019031915_goes13_20190319_1445.satalb ar2019031915_goes15_20190319_1430.satalb";